require( ABSPATH . WPINC . '/option.php' );
/**
- * Converts given date string into a different format.
+ * Convert given date string into a different format.
*
* $format should be either a PHP date format string, e.g. 'U' for a Unix
* timestamp, or 'G' for a Unix timestamp assuming that $date is GMT.
*
* @since 0.71
*
- * @param string $format Format of the date to return.
- * @param string $date Date string to convert.
- * @param bool $translate Whether the return date should be translated. Default is true.
- * @return string|int Formatted date string, or Unix timestamp.
+ * @param string $format Format of the date to return.
+ * @param string $date Date string to convert.
+ * @param bool $translate Whether the return date should be translated. Default true.
+ * @return string|int|bool Formatted date string or Unix timestamp. False if $date is empty.
*/
function mysql2date( $format, $date, $translate = true ) {
if ( empty( $date ) )
*
* The 'mysql' type will return the time in the format for MySQL DATETIME field.
* The 'timestamp' type will return the current timestamp.
+ * Other strings will be interpreted as PHP date formats (e.g. 'Y-m-d').
*
* If $gmt is set to either '1' or 'true', then both types will use GMT time.
* if $gmt is false, the output is adjusted with the GMT offset in the WordPress option.
*
* @since 1.0.0
*
- * @param string $type Either 'mysql' or 'timestamp'.
- * @param int|bool $gmt Optional. Whether to use GMT timezone. Default is false.
- * @return int|string String if $type is 'gmt', int if $type is 'timestamp'.
+ * @param string $type Type of time to retrieve. Accepts 'mysql', 'timestamp', or PHP date
+ * format string (e.g. 'Y-m-d').
+ * @param int|bool $gmt Optional. Whether to use GMT timezone. Default false.
+ * @return int|string Integer if $type is 'timestamp', string otherwise.
*/
function current_time( $type, $gmt = 0 ) {
switch ( $type ) {
case 'mysql':
- return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * 3600 ) ) );
- break;
+ return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ) );
case 'timestamp':
- return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * 3600 );
- break;
+ return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+ default:
+ return ( $gmt ) ? date( $type ) : date( $type, time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) );
}
}
*
* @since 0.71
*
- * @param string $dateformatstring Format to display the date.
- * @param int $unixtimestamp Optional. Unix timestamp.
- * @param bool $gmt Optional, default is false. Whether to convert to GMT for time.
+ * @param string $dateformatstring Format to display the date.
+ * @param bool|int $unixtimestamp Optional. Unix timestamp. Default false.
+ * @param bool $gmt Optional. Whether to use GMT timezone. Default false.
+ *
* @return string The date, translated if locale specifies it.
*/
function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) {
$gmt = true;
}
- // store original value for language with untypical grammars
- // see http://core.trac.wordpress.org/ticket/9396
+ /*
+ * Store original value for language with untypical grammars.
+ * See https://core.trac.wordpress.org/ticket/9396
+ */
$req_format = $dateformatstring;
$datefunc = $gmt? 'gmdate' : 'date';
}
}
$j = @$datefunc( $dateformatstring, $i );
- // allow plugins to redo this entirely for languages with untypical grammars
- $j = apply_filters('date_i18n', $j, $req_format, $i, $gmt);
+
+ /**
+ * Filter the date formatted based on the locale.
+ *
+ * @since 2.8.0
+ *
+ * @param string $j Formatted date string.
+ * @param string $req_format Format to display the date.
+ * @param int $i Unix timestamp.
+ * @param bool $gmt Whether to convert to GMT for time. Default false.
+ */
+ $j = apply_filters( 'date_i18n', $j, $req_format, $i, $gmt );
return $j;
}
*
* @since 2.3.0
*
- * @param int $number The number to convert based on locale.
- * @param int $decimals Precision of the number of decimal places.
+ * @param int $number The number to convert based on locale.
+ * @param int $decimals Optional. Precision of the number of decimal places. Default 0.
* @return string Converted number in string format.
*/
function number_format_i18n( $number, $decimals = 0 ) {
global $wp_locale;
$formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
+
+ /**
+ * Filter the number formatted based on the locale.
+ *
+ * @since 2.8.0
+ *
+ * @param string $formatted Converted number in string format.
+ */
return apply_filters( 'number_format_i18n', $formatted );
}
/**
* Convert number of bytes largest unit bytes will fit into.
*
- * It is easier to read 1kB than 1024 bytes and 1MB than 1048576 bytes. Converts
+ * It is easier to read 1 kB than 1024 bytes and 1 MB than 1048576 bytes. Converts
* number of bytes to human readable number by taking the number of that unit
* that the bytes will go into it. Supports TB value.
*
* be converted to a double, which should always have 64 bit length.
*
* Technically the correct unit names for powers of 1024 are KiB, MiB etc.
- * @link http://en.wikipedia.org/wiki/Byte
*
* @since 2.3.0
*
- * @param int|string $bytes Number of bytes. Note max integer size for integers.
- * @param int $decimals Precision of number of decimal places. Deprecated.
- * @return bool|string False on failure. Number string on success.
+ * @param int|string $bytes Number of bytes. Note max integer size for integers.
+ * @param int $decimals Optional. Precision of number of decimal places. Default 0.
+ * @return string|false False on failure. Number string on success.
*/
function size_format( $bytes, $decimals = 0 ) {
$quant = array(
'GB' => 1073741824, // pow( 1024, 3)
'MB' => 1048576, // pow( 1024, 2)
'kB' => 1024, // pow( 1024, 1)
- 'B ' => 1, // pow( 1024, 0)
+ 'B' => 1, // pow( 1024, 0)
);
- foreach ( $quant as $unit => $mag )
- if ( doubleval($bytes) >= $mag )
+
+ foreach ( $quant as $unit => $mag ) {
+ if ( doubleval( $bytes ) >= $mag ) {
return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit;
+ }
+ }
return false;
}
/**
- * Get the week start and end from the datetime or date string from mysql.
+ * Get the week start and end from the datetime or date string from MySQL.
*
* @since 0.71
*
- * @param string $mysqlstring Date or datetime field type from mysql.
- * @param int $start_of_week Optional. Start of the week as an integer.
+ * @param string $mysqlstring Date or datetime field type from MySQL.
+ * @param int|string $start_of_week Optional. Start of the week as an integer. Default empty string.
* @return array Keys are 'start' and 'end'.
*/
function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
- $my = substr( $mysqlstring, 0, 4 ); // Mysql string Year
- $mm = substr( $mysqlstring, 8, 2 ); // Mysql string Month
- $md = substr( $mysqlstring, 5, 2 ); // Mysql string day
- $day = mktime( 0, 0, 0, $md, $mm, $my ); // The timestamp for mysqlstring day.
- $weekday = date( 'w', $day ); // The day of the week from the timestamp
+ // MySQL string year.
+ $my = substr( $mysqlstring, 0, 4 );
+
+ // MySQL string month.
+ $mm = substr( $mysqlstring, 8, 2 );
+
+ // MySQL string day.
+ $md = substr( $mysqlstring, 5, 2 );
+
+ // The timestamp for MySQL string day.
+ $day = mktime( 0, 0, 0, $md, $mm, $my );
+
+ // The day of the week from the timestamp.
+ $weekday = date( 'w', $day );
+
if ( !is_numeric($start_of_week) )
$start_of_week = get_option( 'start_of_week' );
if ( $weekday < $start_of_week )
$weekday += 7;
- $start = $day - 86400 * ( $weekday - $start_of_week ); // The most recent week start day on or before $day
- $end = $start + 604799; // $start + 7 days - 1 second
+ // The most recent week start day on or before $day.
+ $start = $day - DAY_IN_SECONDS * ( $weekday - $start_of_week );
+
+ // $start + 7 days - 1 second.
+ $end = $start + 7 * DAY_IN_SECONDS - 1;
return compact( 'start', 'end' );
}
*
* @since 2.0.5
*
- * @param mixed $data Value to check to see if was serialized.
+ * @param string $data Value to check to see if was serialized.
+ * @param bool $strict Optional. Whether to be strict about the end of the string. Default true.
* @return bool False if not serialized and true if it was.
*/
-function is_serialized( $data ) {
- // if it isn't a string, it isn't serialized
- if ( ! is_string( $data ) )
+function is_serialized( $data, $strict = true ) {
+ // if it isn't a string, it isn't serialized.
+ if ( ! is_string( $data ) ) {
return false;
+ }
$data = trim( $data );
- if ( 'N;' == $data )
+ if ( 'N;' == $data ) {
return true;
- $length = strlen( $data );
- if ( $length < 4 )
- return false;
- if ( ':' !== $data[1] )
+ }
+ if ( strlen( $data ) < 4 ) {
return false;
- $lastc = $data[$length-1];
- if ( ';' !== $lastc && '}' !== $lastc )
+ }
+ if ( ':' !== $data[1] ) {
return false;
+ }
+ if ( $strict ) {
+ $lastc = substr( $data, -1 );
+ if ( ';' !== $lastc && '}' !== $lastc ) {
+ return false;
+ }
+ } else {
+ $semicolon = strpos( $data, ';' );
+ $brace = strpos( $data, '}' );
+ // Either ; or } must exist.
+ if ( false === $semicolon && false === $brace )
+ return false;
+ // But neither must be in the first X characters.
+ if ( false !== $semicolon && $semicolon < 3 )
+ return false;
+ if ( false !== $brace && $brace < 4 )
+ return false;
+ }
$token = $data[0];
switch ( $token ) {
case 's' :
- if ( '"' !== $data[$length-2] )
+ if ( $strict ) {
+ if ( '"' !== substr( $data, -2, 1 ) ) {
+ return false;
+ }
+ } elseif ( false === strpos( $data, '"' ) ) {
return false;
+ }
+ // or else fall through
case 'a' :
case 'O' :
return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
case 'b' :
case 'i' :
case 'd' :
- return (bool) preg_match( "/^{$token}:[0-9.E-]+;\$/", $data );
+ $end = $strict ? '$' : '';
+ return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data );
}
return false;
}
*
* @since 2.0.5
*
- * @param mixed $data Serialized data
+ * @param string $data Serialized data.
* @return bool False if not a serialized string, true if it is.
*/
function is_serialized_string( $data ) {
- // if it isn't a string, it isn't a serialized string
- if ( !is_string( $data ) )
+ // if it isn't a string, it isn't a serialized string.
+ if ( ! is_string( $data ) ) {
return false;
+ }
$data = trim( $data );
- $length = strlen( $data );
- if ( $length < 4 )
+ if ( strlen( $data ) < 4 ) {
return false;
- elseif ( ':' !== $data[1] )
+ } elseif ( ':' !== $data[1] ) {
return false;
- elseif ( ';' !== $data[$length-1] )
+ } elseif ( ';' !== substr( $data, -1 ) ) {
return false;
- elseif ( $data[0] !== 's' )
+ } elseif ( $data[0] !== 's' ) {
return false;
- elseif ( '"' !== $data[$length-2] )
+ } elseif ( '"' !== substr( $data, -2, 1 ) ) {
return false;
- else
+ } else {
return true;
+ }
}
/**
*
* @since 2.0.5
*
- * @param mixed $data Data that might be serialized.
+ * @param string|array|object $data Data that might be serialized.
* @return mixed A scalar data
*/
function maybe_serialize( $data ) {
return serialize( $data );
// Double serialization is required for backward compatibility.
- // See http://core.trac.wordpress.org/ticket/12930
- if ( is_serialized( $data ) )
+ // See https://core.trac.wordpress.org/ticket/12930
+ if ( is_serialized( $data, false ) )
return serialize( $data );
return $data;
* If the title element is not part of the XML, then the default post title from
* the $post_default_title will be used instead.
*
- * @package WordPress
- * @subpackage XMLRPC
* @since 0.71
*
- * @global string $post_default_title Default XMLRPC post title.
+ * @global string $post_default_title Default XML-RPC post title.
*
* @param string $content XMLRPC XML Request content
* @return string Post title
* used. The return type then would be what $post_default_category. If the
* category is found, then it will always be an array.
*
- * @package WordPress
- * @subpackage XMLRPC
* @since 0.71
*
- * @global string $post_default_category Default XMLRPC post category.
+ * @global string $post_default_category Default XML-RPC post category.
*
* @param string $content XMLRPC XML Request content
* @return string|array List of categories or category name.
/**
* XMLRPC XML content without title and category elements.
*
- * @package WordPress
- * @subpackage XMLRPC
* @since 0.71
*
- * @param string $content XMLRPC XML Request content
+ * @param string $content XML-RPC XML Request content.
* @return string XMLRPC XML Request content without title and category elements.
*/
function xmlrpc_removepostdata( $content ) {
return $content;
}
+/**
+ * Use RegEx to extract URLs from arbitrary content.
+ *
+ * @since 3.7.0
+ *
+ * @param string $content Content to extract URLs from.
+ * @return array URLs found in passed string.
+ */
+function wp_extract_urls( $content ) {
+ preg_match_all(
+ "#([\"']?)("
+ . "(?:([\w-]+:)?//?)"
+ . "[^\s()<>]+"
+ . "[.]"
+ . "(?:"
+ . "\([\w\d]+\)|"
+ . "(?:"
+ . "[^`!()\[\]{};:'\".,<>«»“”‘’\s]|"
+ . "(?:[:]\d+)?/?"
+ . ")+"
+ . ")"
+ . ")\\1#",
+ $content,
+ $post_links
+ );
+
+ $post_links = array_unique( array_map( 'html_entity_decode', $post_links[2] ) );
+
+ return array_values( $post_links );
+}
+
/**
* Check content for video and audio links to add as enclosures.
*
* remove enclosures that are no longer in the post. This is called as
* pingbacks and trackbacks.
*
- * @package WordPress
* @since 1.5.0
*
- * @uses $wpdb
+ * @see $wpdb
*
- * @param string $content Post Content
- * @param int $post_ID Post ID
+ * @param string $content Post Content.
+ * @param int $post_ID Post ID.
*/
function do_enclose( $content, $post_ID ) {
global $wpdb;
$pung = get_enclosed( $post_ID );
- $ltrs = '\w';
- $gunk = '/#~:.?+=&%@!\-';
- $punc = '.:?\-';
- $any = $ltrs . $gunk . $punc;
-
- preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp );
+ $post_links_temp = wp_extract_urls( $content );
foreach ( $pung as $link_test ) {
- if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post
- $mids = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $link_test ) . '%') );
+ if ( ! in_array( $link_test, $post_links_temp ) ) { // link no longer in post
+ $mids = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post_ID, $wpdb->esc_like( $link_test ) . '%') );
foreach ( $mids as $mid )
delete_metadata_by_mid( 'post', $mid );
}
}
- foreach ( (array) $post_links_temp[0] as $link_test ) {
+ foreach ( (array) $post_links_temp as $link_test ) {
if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already
$test = @parse_url( $link_test );
if ( false === $test )
}
foreach ( (array) $post_links as $url ) {
- if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $url ) . '%' ) ) ) {
+ if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE %s", $post_ID, $wpdb->esc_like( $url ) . '%' ) ) ) {
if ( $headers = wp_get_http_headers( $url) ) {
$len = isset( $headers['content-length'] ) ? (int) $headers['content-length'] : 0;
if ( false !== $url_parts ) {
$extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION );
if ( !empty( $extension ) ) {
- foreach ( get_allowed_mime_types( ) as $exts => $mime ) {
+ foreach ( wp_get_mime_types() as $exts => $mime ) {
if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
$type = $mime;
break;
*
* @since 2.5.0
*
- * @param string $url URL to fetch.
- * @param string|bool $file_path Optional. File path to write request to.
- * @param int $red (private) The number of Redirects followed, Upon 5 being hit, returns false.
+ * @param string $url URL to fetch.
+ * @param string|bool $file_path Optional. File path to write request to. Default false.
+ * @param int $red Optional. The number of Redirects followed, Upon 5 being hit,
+ * returns false. Default 1.
* @return bool|string False on failure and string of headers if HEAD request.
*/
function wp_get_http( $url, $file_path = false, $red = 1 ) {
else
$options['method'] = 'GET';
- $response = wp_remote_request($url, $options);
+ $response = wp_safe_remote_request( $url, $options );
if ( is_wp_error( $response ) )
return false;
*
* @since 1.5.1
*
- * @param string $url
- * @param bool $deprecated Not Used.
+ * @param string $url URL to retrieve HTTP headers from.
+ * @param bool $deprecated Not Used.
* @return bool|string False on failure, headers on success.
*/
function wp_get_http_headers( $url, $deprecated = false ) {
if ( !empty( $deprecated ) )
_deprecated_argument( __FUNCTION__, '2.7' );
- $response = wp_remote_head( $url );
+ $response = wp_safe_remote_head( $url );
if ( is_wp_error( $response ) )
return false;
}
/**
- * Whether today is a new day.
+ * Whether the publish date of the current post in the loop is different from the
+ * publish date of the previous post in the loop.
*
* @since 0.71
- * @uses $day Today
- * @uses $previousday Previous day
+ *
+ * @global string $currentday The day of the current post in the loop.
+ * @global string $previousday The day of the previous post in the loop.
*
* @return int 1 when new day, 0 if not a new day.
*/
* This is a convenient function for easily building url queries. It sets the
* separator to '&' and uses _http_build_query() function.
*
+ * @since 2.3.0
+ *
* @see _http_build_query() Used to build the query
- * @link http://us2.php.net/manual/en/function.http-build-query.php more on what
+ * @see http://us2.php.net/manual/en/function.http-build-query.php for more on what
* http_build_query() does.
*
- * @since 2.3.0
- *
* @param array $data URL-encode key/value pairs.
- * @return string URL encoded string
+ * @return string URL-encoded string.
*/
function build_query( $data ) {
return _http_build_query( $data, null, '&', '', false );
}
-// from php.net (modified by Mark Jaquith to behave like the native PHP5 function)
-function _http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) {
+/**
+ * From php.net (modified by Mark Jaquith to behave like the native PHP5 function).
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @see http://us1.php.net/manual/en/function.http-build-query.php
+ *
+ * @param array|object $data An array or object of data. Converted to array.
+ * @param string $prefix Optional. Numeric index. If set, start parameter numbering with it.
+ * Default null.
+ * @param string $sep Optional. Argument separator; defaults to 'arg_separator.output'.
+ * Default null.
+ * @param string $key Optional. Used to prefix key name. Default empty.
+ * @param bool $urlencode Optional. Whether to use urlencode() in the result. Default true.
+ *
+ * @return string The query string.
+ */
+function _http_build_query( $data, $prefix = null, $sep = null, $key = '', $urlencode = true ) {
$ret = array();
foreach ( (array) $data as $k => $v ) {
$k = $key . '%5B' . $k . '%5D';
if ( $v === null )
continue;
- elseif ( $v === FALSE )
+ elseif ( $v === false )
$v = '0';
if ( is_array($v) || is_object($v) )
*
* @since 1.5.0
*
- * @param mixed $param1 Either newkey or an associative_array
- * @param mixed $param2 Either newvalue or oldquery or uri
- * @param mixed $param3 Optional. Old query or uri
+ * @param string|array $param1 Either newkey or an associative_array.
+ * @param string $param2 Either newvalue or oldquery or URI.
+ * @param string $param3 Optional. Old query or URI.
* @return string New URL query string.
*/
function add_query_arg() {
- $ret = '';
- if ( is_array( func_get_arg(0) ) ) {
- if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) )
+ $args = func_get_args();
+ if ( is_array( $args[0] ) ) {
+ if ( count( $args ) < 2 || false === $args[1] )
$uri = $_SERVER['REQUEST_URI'];
else
- $uri = @func_get_arg( 1 );
+ $uri = $args[1];
} else {
- if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) )
+ if ( count( $args ) < 3 || false === $args[2] )
$uri = $_SERVER['REQUEST_URI'];
else
- $uri = @func_get_arg( 2 );
+ $uri = $args[2];
}
if ( $frag = strstr( $uri, '#' ) )
else
$frag = '';
- if ( preg_match( '|^https?://|i', $uri, $matches ) ) {
- $protocol = $matches[0];
- $uri = substr( $uri, strlen( $protocol ) );
+ if ( 0 === stripos( $uri, 'http://' ) ) {
+ $protocol = 'http://';
+ $uri = substr( $uri, 7 );
+ } elseif ( 0 === stripos( $uri, 'https://' ) ) {
+ $protocol = 'https://';
+ $uri = substr( $uri, 8 );
} else {
$protocol = '';
}
if ( strpos( $uri, '?' ) !== false ) {
- $parts = explode( '?', $uri, 2 );
- if ( 1 == count( $parts ) ) {
- $base = '?';
- $query = $parts[0];
- } else {
- $base = $parts[0] . '?';
- $query = $parts[1];
- }
- } elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) {
+ list( $base, $query ) = explode( '?', $uri, 2 );
+ $base .= '?';
+ } elseif ( $protocol || strpos( $uri, '=' ) === false ) {
$base = $uri . '?';
$query = '';
} else {
wp_parse_str( $query, $qs );
$qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string
- if ( is_array( func_get_arg( 0 ) ) ) {
- $kayvees = func_get_arg( 0 );
- $qs = array_merge( $qs, $kayvees );
+ if ( is_array( $args[0] ) ) {
+ foreach ( $args[0] as $k => $v ) {
+ $qs[ $k ] = $v;
+ }
} else {
- $qs[func_get_arg( 0 )] = func_get_arg( 1 );
+ $qs[ $args[0] ] = $args[1];
}
- foreach ( (array) $qs as $k => $v ) {
+ foreach ( $qs as $k => $v ) {
if ( $v === false )
unset( $qs[$k] );
}
*
* @since 1.5.0
*
- * @param string|array $key Query key or keys to remove.
- * @param bool $query When false uses the $_SERVER value.
+ * @param string|array $key Query key or keys to remove.
+ * @param bool|string $query Optional. When false uses the $_SERVER value. Default false.
* @return string New URL query string.
*/
-function remove_query_arg( $key, $query=false ) {
+function remove_query_arg( $key, $query = false ) {
if ( is_array( $key ) ) { // removing multiple keys
foreach ( $key as $k )
$query = add_query_arg( $k, false, $query );
*
* @since 0.71
*
- * @param array $array Array to used to walk while sanitizing contents.
+ * @param array $array Array to walk while sanitizing contents.
* @return array Sanitized $array.
*/
function add_magic_quotes( $array ) {
* HTTP request for URI to retrieve content.
*
* @since 1.5.1
- * @uses wp_remote_get()
+ *
+ * @see wp_safe_remote_get()
*
* @param string $uri URI/URL of web page to retrieve.
- * @return bool|string HTTP content. False on failure.
+ * @return false|string HTTP content. False on failure.
*/
function wp_remote_fopen( $uri ) {
$parsed_url = @parse_url( $uri );
$options = array();
$options['timeout'] = 10;
- $response = wp_remote_get( $uri, $options );
+ $response = wp_safe_remote_get( $uri, $options );
if ( is_wp_error( $response ) )
return false;
*
* @since 2.0.0
*
- * @param string $query_vars Default WP_Query arguments.
+ * @param string|array $query_vars Default WP_Query arguments.
*/
function wp( $query_vars = '' ) {
global $wp, $wp_query, $wp_the_query;
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
+ 418 => 'I\'m a teapot',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
426 => 'Upgrade Required',
+ 428 => 'Precondition Required',
+ 429 => 'Too Many Requests',
+ 431 => 'Request Header Fields Too Large',
500 => 'Internal Server Error',
501 => 'Not Implemented',
505 => 'HTTP Version Not Supported',
506 => 'Variant Also Negotiates',
507 => 'Insufficient Storage',
- 510 => 'Not Extended'
+ 510 => 'Not Extended',
+ 511 => 'Network Authentication Required',
);
}
* Set HTTP status header.
*
* @since 2.0.0
- * @uses apply_filters() Calls 'status_header' on status header string, HTTP
- * HTTP code, HTTP code description, and protocol string as separate
- * parameters.
*
- * @param int $header HTTP status code
- * @return unknown
+ * @see get_status_header_desc()
+ *
+ * @param int $code HTTP status code.
*/
-function status_header( $header ) {
- $text = get_status_header_desc( $header );
+function status_header( $code ) {
+ $description = get_status_header_desc( $code );
- if ( empty( $text ) )
- return false;
+ if ( empty( $description ) )
+ return;
- $protocol = $_SERVER["SERVER_PROTOCOL"];
+ $protocol = $_SERVER['SERVER_PROTOCOL'];
if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
$protocol = 'HTTP/1.0';
- $status_header = "$protocol $header $text";
+ $status_header = "$protocol $code $description";
if ( function_exists( 'apply_filters' ) )
- $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol );
- return @header( $status_header, true, $header );
+ /**
+ * Filter an HTTP status header.
+ *
+ * @since 2.2.0
+ *
+ * @param string $status_header HTTP status header.
+ * @param int $code HTTP status code.
+ * @param string $description Description for the status code.
+ * @param string $protocol Server protocol.
+ */
+ $status_header = apply_filters( 'status_header', $status_header, $code, $description, $protocol );
+
+ @header( $status_header, true, $code );
}
/**
- * Gets the header information to prevent caching.
+ * Get the header information to prevent caching.
*
- * The several different headers cover the different ways cache prevention is handled
- * by different browsers
+ * The several different headers cover the different ways cache prevention
+ * is handled by different browsers
*
* @since 2.8.0
*
- * @uses apply_filters()
* @return array The associative array of header names and field values.
*/
function wp_get_nocache_headers() {
$headers = array(
'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
- 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT',
'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
'Pragma' => 'no-cache',
);
if ( function_exists('apply_filters') ) {
- $headers = (array) apply_filters('nocache_headers', $headers);
+ /**
+ * Filter the cache-controlling headers.
+ *
+ * @since 2.8.0
+ *
+ * @see wp_get_nocache_headers()
+ *
+ * @param array $headers {
+ * Header names and field values.
+ *
+ * @type string $Expires Expires header.
+ * @type string $Cache-Control Cache-Control header.
+ * @type string $Pragma Pragma header.
+ * }
+ */
+ $headers = (array) apply_filters( 'nocache_headers', $headers );
}
+ $headers['Last-Modified'] = false;
return $headers;
}
/**
- * Sets the headers to prevent caching for the different browsers.
+ * Set the headers to prevent caching for the different browsers.
*
- * Different browsers support different nocache headers, so several headers must
- * be sent so that all of them get the point that no caching should occur.
+ * Different browsers support different nocache headers, so several
+ * headers must be sent so that all of them get the point that no
+ * caching should occur.
*
* @since 2.0.0
- * @uses wp_get_nocache_headers()
+ *
+ * @see wp_get_nocache_headers()
*/
function nocache_headers() {
$headers = wp_get_nocache_headers();
+
+ unset( $headers['Last-Modified'] );
+
+ // In PHP 5.3+, make sure we are not sending a Last-Modified header.
+ if ( function_exists( 'header_remove' ) ) {
+ @header_remove( 'Last-Modified' );
+ } else {
+ // In PHP 5.2, send an empty Last-Modified header, but only as a
+ // last resort to override a header already sent. #WP23021
+ foreach ( headers_list() as $header ) {
+ if ( 0 === stripos( $header, 'Last-Modified' ) ) {
+ $headers['Last-Modified'] = '';
+ break;
+ }
+ }
+ }
+
foreach( $headers as $name => $field_value )
@header("{$name}: {$field_value}");
}
* @since 2.1.0
*/
function cache_javascript_headers() {
- $expiresOffset = 864000; // 10 days
+ $expiresOffset = 10 * DAY_IN_SECONDS;
+
header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) );
header( "Vary: Accept-Encoding" ); // Handle proxies
header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" );
*
* @since 2.0.0
*
- * @return int Number of database queries
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return int Number of database queries.
*/
function get_num_queries() {
global $wpdb;
}
/**
- * Whether input is yes or no. Must be 'y' to be true.
+ * Whether input is yes or no.
+ *
+ * Must be 'y' to be true.
*
* @since 1.0.0
*
- * @param string $yn Character string containing either 'y' or 'n'
- * @return bool True if yes, false on anything else
+ * @param string $yn Character string containing either 'y' (yes) or 'n' (no).
+ * @return bool True if yes, false on anything else.
*/
function bool_from_yn( $yn ) {
return ( strtolower( $yn ) == 'y' );
}
/**
- * Loads the feed template from the use of an action hook.
+ * Load the feed template from the use of an action hook.
*
* If the feed action does not have a hook, then the function will die with a
* message telling the visitor that the feed is not valid.
* It is better to only have one hook for each feed.
*
* @since 2.1.0
+ *
* @uses $wp_query Used to tell if the use a comment feed.
- * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed.
*/
function do_feed() {
global $wp_query;
$feed = get_default_feed();
$hook = 'do_feed_' . $feed;
- if ( !has_action($hook) ) {
- $message = sprintf( __( 'ERROR: %s is not a valid feed template.' ), esc_html($feed));
- wp_die( $message, '', array( 'response' => 404 ) );
- }
-
+ if ( ! has_action( $hook ) )
+ wp_die( __( 'ERROR: This is not a valid feed template.' ), '', array( 'response' => 404 ) );
+
+ /**
+ * Fires once the given feed is loaded.
+ *
+ * The dynamic hook name, $hook, refers to the feed name.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $is_comment_feed Whether the feed is a comment feed.
+ */
do_action( $hook, $wp_query->is_comment_feed );
}
* Load the RDF RSS 0.91 Feed template.
*
* @since 2.1.0
+ *
+ * @see load_template()
*/
function do_feed_rdf() {
load_template( ABSPATH . WPINC . '/feed-rdf.php' );
* Load the RSS 1.0 Feed Template.
*
* @since 2.1.0
+ *
+ * @see load_template()
*/
function do_feed_rss() {
load_template( ABSPATH . WPINC . '/feed-rss.php' );
*
* @since 2.1.0
*
+ * @see load_template()
+ *
* @param bool $for_comments True for the comment feed, false for normal feed.
*/
function do_feed_rss2( $for_comments ) {
*
* @since 2.1.0
*
+ * @see load_template()
+ *
* @param bool $for_comments True for the comment feed, false for normal feed.
*/
function do_feed_atom( $for_comments ) {
* robots.txt file.
*
* @since 2.1.0
- * @uses do_action() Calls 'do_robotstxt' hook for displaying robots.txt rules.
*/
function do_robots() {
header( 'Content-Type: text/plain; charset=utf-8' );
+ /**
+ * Fires when displaying the robots.txt file.
+ *
+ * @since 2.1.0
+ */
do_action( 'do_robotstxt' );
$output = "User-agent: *\n";
$site_url = parse_url( site_url() );
$path = ( !empty( $site_url['path'] ) ) ? $site_url['path'] : '';
$output .= "Disallow: $path/wp-admin/\n";
- $output .= "Disallow: $path/wp-includes/\n";
}
- echo apply_filters('robots_txt', $output, $public);
+ /**
+ * Filter the robots.txt output.
+ *
+ * @since 3.0.0
+ *
+ * @param string $output Robots.txt output.
+ * @param bool $public Whether the site is considered "public".
+ */
+ echo apply_filters( 'robots_txt', $output, $public );
}
/**
* Test whether blog is already installed.
*
- * The cache will be checked first. If you have a cache plugin, which saves the
- * cache values, then this will work. If you use the default WordPress cache,
- * and the database goes away, then you might have problems.
+ * The cache will be checked first. If you have a cache plugin, which saves
+ * the cache values, then this will work. If you use the default WordPress
+ * cache, and the database goes away, then you might have problems.
*
- * Checks for the option siteurl for whether WordPress is installed.
+ * Checks for the 'siteurl' option for whether WordPress is installed.
*
* @since 2.1.0
- * @uses $wpdb
*
- * @return bool Whether blog is already installed.
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return bool Whether the blog is already installed.
*/
function is_blog_installed() {
global $wpdb;
- // Check cache first. If options table goes away and we have true cached, oh well.
+ /*
+ * Check cache first. If options table goes away and we have true
+ * cached, oh well.
+ */
if ( wp_cache_get( 'is_blog_installed' ) )
return true;
$suppress = $wpdb->suppress_errors();
- // Loop over the WP tables. If none exist, then scratch install is allowed.
- // If one or more exist, suggest table repair since we got here because the options
- // table could not be accessed.
+ /*
+ * Loop over the WP tables. If none exist, then scratch install is allowed.
+ * If one or more exist, suggest table repair since we got here because the
+ * options table could not be accessed.
+ */
$wp_tables = $wpdb->tables();
foreach ( $wp_tables as $table ) {
// The existence of custom user tables shouldn't suggest an insane state or prevent a clean install.
/**
* Retrieve URL with nonce added to URL query.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
- * @param string $actionurl URL to add nonce action
- * @param string $action Optional. Nonce action name
- * @return string URL with nonce action added.
+ * @param string $actionurl URL to add nonce action.
+ * @param int|string $action Optional. Nonce action name. Default -1.
+ * @param string $name Optional. Nonce name. Default '_wpnonce'.
+ * @return string Escaped URL with nonce action added.
*/
-function wp_nonce_url( $actionurl, $action = -1 ) {
+function wp_nonce_url( $actionurl, $action = -1, $name = '_wpnonce' ) {
$actionurl = str_replace( '&', '&', $actionurl );
- return esc_html( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) );
+ return esc_html( add_query_arg( $name, wp_create_nonce( $action ), $actionurl ) );
}
/**
* The input name will be whatever $name value you gave. The input value will be
* the nonce creation value.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
- * @param string $action Optional. Action name.
- * @param string $name Optional. Nonce name.
- * @param bool $referer Optional, default true. Whether to set the referer field for validation.
- * @param bool $echo Optional, default true. Whether to display or return hidden form field.
- * @return string Nonce field.
+ * @param int|string $action Optional. Action name. Default -1.
+ * @param string $name Optional. Nonce name. Default '_wpnonce'.
+ * @param bool $referer Optional. Whether to set the referer field for validation. Default true.
+ * @param bool $echo Optional. Whether to display or return hidden form field. Default true.
+ * @return string Nonce field HTML markup.
*/
function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) {
$name = esc_attr( $name );
* The referer link is the current Request URI from the server super global. The
* input name is '_wp_http_referer', in case you wanted to check manually.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
- * @param bool $echo Whether to echo or return the referer field.
- * @return string Referer field.
+ * @param bool $echo Optional. Whether to echo or return the referer field. Default true.
+ * @return string Referer field HTML markup.
*/
function wp_referer_field( $echo = true ) {
- $ref = esc_attr( $_SERVER['REQUEST_URI'] );
- $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />';
+ $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) ) . '" />';
if ( $echo )
echo $referer_field;
* Retrieve or display original referer hidden field for forms.
*
* The input name is '_wp_original_http_referer' and will be either the same
- * value of {@link wp_referer_field()}, if that was posted already or it will
- * be the current page, if it doesn't exist.
+ * value of wp_referer_field(), if that was posted already or it will be the
+ * current page, if it doesn't exist.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
- * @param bool $echo Whether to echo the original http referer
- * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to.
+ * @param bool $echo Optional. Whether to echo the original http referer. Default true.
+ * @param string $jump_back_to Optional. Can be 'previous' or page you want to jump back to.
+ * Default 'current'.
* @return string Original referer field.
*/
function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) {
- $jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI'];
- $ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to;
- $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( stripslashes( $ref ) ) . '" />';
+ if ( ! $ref = wp_get_original_referer() ) {
+ $ref = 'previous' == $jump_back_to ? wp_get_referer() : wp_unslash( $_SERVER['REQUEST_URI'] );
+ }
+ $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( $ref ) . '" />';
if ( $echo )
echo $orig_referer_field;
return $orig_referer_field;
}
/**
- * Retrieve referer from '_wp_http_referer' or HTTP referer. If it's the same
- * as the current request URL, will return false.
+ * Retrieve referer from '_wp_http_referer' or HTTP referer.
+ *
+ * If it's the same as the current request URL, will return false.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
- * @return string|bool False on failure. Referer URL on success.
+ * @return false|string False on failure. Referer URL on success.
*/
function wp_get_referer() {
+ if ( ! function_exists( 'wp_validate_redirect' ) )
+ return false;
$ref = false;
if ( ! empty( $_REQUEST['_wp_http_referer'] ) )
- $ref = $_REQUEST['_wp_http_referer'];
- else if ( ! empty( $_SERVER['HTTP_REFERER'] ) )
- $ref = $_SERVER['HTTP_REFERER'];
+ $ref = wp_unslash( $_REQUEST['_wp_http_referer'] );
+ elseif ( ! empty( $_SERVER['HTTP_REFERER'] ) )
+ $ref = wp_unslash( $_SERVER['HTTP_REFERER'] );
- if ( $ref && $ref !== $_SERVER['REQUEST_URI'] )
- return $ref;
+ if ( $ref && $ref !== wp_unslash( $_SERVER['REQUEST_URI'] ) )
+ return wp_validate_redirect( $ref, false );
return false;
}
/**
* Retrieve original referer that was posted, if it exists.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
- * @return string|bool False if no original referer or original referer if set.
+ * @return string|false False if no original referer or original referer if set.
*/
function wp_get_original_referer() {
- if ( !empty( $_REQUEST['_wp_original_http_referer'] ) )
- return $_REQUEST['_wp_original_http_referer'];
+ if ( ! empty( $_REQUEST['_wp_original_http_referer'] ) && function_exists( 'wp_validate_redirect' ) )
+ return wp_validate_redirect( wp_unslash( $_REQUEST['_wp_original_http_referer'] ), false );
return false;
}
* @return bool Whether the path was created. True if path already exists.
*/
function wp_mkdir_p( $target ) {
- // from php.net/mkdir user contributed notes
+ $wrapper = null;
+
+ // Strip the protocol.
+ if( wp_is_stream( $target ) ) {
+ list( $wrapper, $target ) = explode( '://', $target, 2 );
+ }
+
+ // From php.net/mkdir user contributed notes.
$target = str_replace( '//', '/', $target );
- // safe mode fails with a trailing slash under certain PHP versions.
- $target = rtrim($target, '/'); // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
+ // Put the wrapper back on the target.
+ if( $wrapper !== null ) {
+ $target = $wrapper . '://' . $target;
+ }
+
+ /*
+ * Safe mode fails with a trailing slash under certain PHP versions.
+ * Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
+ */
+ $target = rtrim($target, '/');
if ( empty($target) )
$target = '/';
if ( file_exists( $target ) )
return @is_dir( $target );
- // Attempting to create the directory may clutter up our display.
- if ( @mkdir( $target ) ) {
- $stat = @stat( dirname( $target ) );
- $dir_perms = $stat['mode'] & 0007777; // Get the permission bits.
- @chmod( $target, $dir_perms );
- return true;
- } elseif ( is_dir( dirname( $target ) ) ) {
- return false;
+ // We need to find the permissions of the parent folder that exists and inherit that.
+ $target_parent = dirname( $target );
+ while ( '.' != $target_parent && ! is_dir( $target_parent ) ) {
+ $target_parent = dirname( $target_parent );
+ }
+
+ // Get the permission bits.
+ if ( $stat = @stat( $target_parent ) ) {
+ $dir_perms = $stat['mode'] & 0007777;
+ } else {
+ $dir_perms = 0777;
}
- // If the above failed, attempt to create the parent node, then try again.
- if ( ( $target != '/' ) && ( wp_mkdir_p( dirname( $target ) ) ) )
- return wp_mkdir_p( $target );
+ if ( @mkdir( $target, $dir_perms, true ) ) {
+
+ /*
+ * If a umask is set that modifies $dir_perms, we'll have to re-set
+ * the $dir_perms correctly with chmod()
+ */
+ if ( $dir_perms != ( $dir_perms & ~umask() ) ) {
+ $folder_parts = explode( '/', substr( $target, strlen( $target_parent ) + 1 ) );
+ for ( $i = 1, $c = count( $folder_parts ); $i <= $c; $i++ ) {
+ @chmod( $target_parent . '/' . implode( '/', array_slice( $folder_parts, 0, $i ) ), $dir_perms );
+ }
+ }
+
+ return true;
+ }
return false;
}
/**
- * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows').
+ * Test if a give filesystem path is absolute.
+ *
+ * For example, '/foo/bar', or 'c:\windows'.
*
* @since 2.5.0
*
- * @param string $path File path
+ * @param string $path File path.
* @return bool True if path is absolute, false is not absolute.
*/
function path_is_absolute( $path ) {
- // this is definitive if true but fails if $path does not exist or contains a symbolic link
+ /*
+ * This is definitive if true but fails if $path does not exist or contains
+ * a symbolic link.
+ */
if ( realpath($path) == $path )
return true;
if ( strlen($path) == 0 || $path[0] == '.' )
return false;
- // windows allows absolute paths like this
+ // Windows allows absolute paths like this.
if ( preg_match('#^[a-zA-Z]:\\\\#', $path) )
return true;
- // a path starting with / or \ is absolute; anything else is relative
+ // A path starting with / or \ is absolute; anything else is relative.
return ( $path[0] == '/' || $path[0] == '\\' );
}
/**
- * Join two filesystem paths together (e.g. 'give me $path relative to $base').
+ * Join two filesystem paths together.
*
- * If the $path is absolute, then it the full path is returned.
+ * For example, 'give me $path relative to $base'. If the $path is absolute,
+ * then it the full path is returned.
*
* @since 2.5.0
*
- * @param string $base
- * @param string $path
+ * @param string $base Base path.
+ * @param string $path Path relative to $base.
* @return string The path with the base or absolute path.
*/
function path_join( $base, $path ) {
}
/**
- * Determines a writable directory for temporary files.
- * Function's preference is to WP_CONTENT_DIR followed by the return value of <code>sys_get_temp_dir()</code>, before finally defaulting to /tmp/
+ * Normalize a filesystem path.
+ *
+ * Replaces backslashes with forward slashes for Windows systems, and ensures
+ * no duplicate slashes exist.
+ *
+ * @since 3.9.0
+ *
+ * @param string $path Path to normalize.
+ * @return string Normalized path.
+ */
+function wp_normalize_path( $path ) {
+ $path = str_replace( '\\', '/', $path );
+ $path = preg_replace( '|/+|','/', $path );
+ return $path;
+}
+
+/**
+ * Determine a writable directory for temporary files.
+ *
+ * Function's preference is the return value of sys_get_temp_dir(),
+ * followed by your PHP temporary upload directory, followed by WP_CONTENT_DIR,
+ * before finally defaulting to /tmp/
*
- * In the event that this function does not find a writable location, It may be overridden by the <code>WP_TEMP_DIR</code> constant in your <code>wp-config.php</code> file.
+ * In the event that this function does not find a writable location,
+ * It may be overridden by the WP_TEMP_DIR constant in your wp-config.php file.
*
* @since 2.5.0
*
- * @return string Writable temporary directory
+ * @return string Writable temporary directory.
*/
function get_temp_dir() {
static $temp;
return trailingslashit(WP_TEMP_DIR);
if ( $temp )
- return trailingslashit($temp);
+ return trailingslashit( $temp );
- $temp = WP_CONTENT_DIR . '/';
- if ( is_dir($temp) && @is_writable($temp) )
- return $temp;
-
- if ( function_exists('sys_get_temp_dir') ) {
+ if ( function_exists('sys_get_temp_dir') ) {
$temp = sys_get_temp_dir();
- if ( @is_writable($temp) )
- return trailingslashit($temp);
+ if ( @is_dir( $temp ) && wp_is_writable( $temp ) )
+ return trailingslashit( $temp );
}
$temp = ini_get('upload_tmp_dir');
- if ( is_dir($temp) && @is_writable($temp) )
- return trailingslashit($temp);
+ if ( @is_dir( $temp ) && wp_is_writable( $temp ) )
+ return trailingslashit( $temp );
+
+ $temp = WP_CONTENT_DIR . '/';
+ if ( is_dir( $temp ) && wp_is_writable( $temp ) )
+ return $temp;
$temp = '/tmp/';
return $temp;
}
+/**
+ * Determine if a directory is writable.
+ *
+ * This function is used to work around certain ACL issues in PHP primarily
+ * affecting Windows Servers.
+ *
+ * @since 3.6.0
+ *
+ * @see win_is_writable()
+ *
+ * @param string $path Path to check for write-ability.
+ * @return bool Whether the path is writable.
+ */
+function wp_is_writable( $path ) {
+ if ( 'WIN' === strtoupper( substr( PHP_OS, 0, 3 ) ) )
+ return win_is_writable( $path );
+ else
+ return @is_writable( $path );
+}
+
+/**
+ * Workaround for Windows bug in is_writable() function
+ *
+ * PHP has issues with Windows ACL's for determine if a
+ * directory is writable or not, this works around them by
+ * checking the ability to open files rather than relying
+ * upon PHP to interprate the OS ACL.
+ *
+ * @since 2.8.0
+ *
+ * @see http://bugs.php.net/bug.php?id=27609
+ * @see http://bugs.php.net/bug.php?id=30931
+ *
+ * @param string $path Windows path to check for write-ability.
+ * @return bool Whether the path is writable.
+ */
+function win_is_writable( $path ) {
+
+ if ( $path[strlen( $path ) - 1] == '/' ) { // if it looks like a directory, check a random file within the directory
+ return win_is_writable( $path . uniqid( mt_rand() ) . '.tmp');
+ } elseif ( is_dir( $path ) ) { // If it's a directory (and not a file) check a random file within the directory
+ return win_is_writable( $path . '/' . uniqid( mt_rand() ) . '.tmp' );
+ }
+ // check tmp file for read/write capabilities
+ $should_delete_tmp_file = !file_exists( $path );
+ $f = @fopen( $path, 'a' );
+ if ( $f === false )
+ return false;
+ fclose( $f );
+ if ( $should_delete_tmp_file )
+ unlink( $path );
+ return true;
+}
+
/**
* Get an array containing the current upload directory's path and url.
*
* 'error' - set to false.
*
* @since 2.0.0
- * @uses apply_filters() Calls 'upload_dir' on returned array.
*
- * @param string $time Optional. Time formatted in 'yyyy/mm'.
+ * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
* @return array See above for description.
*/
function wp_upload_dir( $time = null ) {
- global $switched;
$siteurl = get_option( 'siteurl' );
- $upload_path = get_option( 'upload_path' );
- $upload_path = trim($upload_path);
- $main_override = is_multisite() && defined( 'MULTISITE' ) && is_main_site();
- if ( empty($upload_path) ) {
+ $upload_path = trim( get_option( 'upload_path' ) );
+
+ if ( empty( $upload_path ) || 'wp-content/uploads' == $upload_path ) {
$dir = WP_CONTENT_DIR . '/uploads';
+ } elseif ( 0 !== strpos( $upload_path, ABSPATH ) ) {
+ // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
+ $dir = path_join( ABSPATH, $upload_path );
} else {
$dir = $upload_path;
- if ( 'wp-content/uploads' == $upload_path ) {
- $dir = WP_CONTENT_DIR . '/uploads';
- } elseif ( 0 !== strpos($dir, ABSPATH) ) {
- // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
- $dir = path_join( ABSPATH, $dir );
- }
}
if ( !$url = get_option( 'upload_url_path' ) ) {
$url = trailingslashit( $siteurl ) . $upload_path;
}
- if ( defined('UPLOADS') && !$main_override && ( !isset( $switched ) || $switched === false ) ) {
+ /*
+ * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
+ * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
+ */
+ if ( defined( 'UPLOADS' ) && ! ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) ) {
$dir = ABSPATH . UPLOADS;
$url = trailingslashit( $siteurl ) . UPLOADS;
}
- if ( is_multisite() && !$main_override && ( !isset( $switched ) || $switched === false ) ) {
- if ( defined( 'BLOGUPLOADDIR' ) )
- $dir = untrailingslashit(BLOGUPLOADDIR);
- $url = str_replace( UPLOADS, 'files', $url );
+ // If multisite (and if not the main site in a post-MU network)
+ if ( is_multisite() && ! ( is_main_network() && is_main_site() && defined( 'MULTISITE' ) ) ) {
+
+ if ( ! get_site_option( 'ms_files_rewriting' ) ) {
+ /*
+ * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
+ * straightforward: Append sites/%d if we're not on the main site (for post-MU
+ * networks). (The extra directory prevents a four-digit ID from conflicting with
+ * a year-based directory for the main site. But if a MU-era network has disabled
+ * ms-files rewriting manually, they don't need the extra directory, as they never
+ * had wp-content/uploads for the main site.)
+ */
+
+ if ( defined( 'MULTISITE' ) )
+ $ms_dir = '/sites/' . get_current_blog_id();
+ else
+ $ms_dir = '/' . get_current_blog_id();
+
+ $dir .= $ms_dir;
+ $url .= $ms_dir;
+
+ } elseif ( defined( 'UPLOADS' ) && ! ms_is_switched() ) {
+ /*
+ * Handle the old-form ms-files.php rewriting if the network still has that enabled.
+ * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
+ * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
+ * there, and
+ * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
+ * the original blog ID.
+ *
+ * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
+ * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
+ * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
+ * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
+ */
+
+ if ( defined( 'BLOGUPLOADDIR' ) )
+ $dir = untrailingslashit( BLOGUPLOADDIR );
+ else
+ $dir = ABSPATH . UPLOADS;
+ $url = trailingslashit( $siteurl ) . 'files';
+ }
}
- $bdir = $dir;
- $burl = $url;
+ $basedir = $dir;
+ $baseurl = $url;
$subdir = '';
if ( get_option( 'uploads_use_yearmonth_folders' ) ) {
$dir .= $subdir;
$url .= $subdir;
- $uploads = apply_filters( 'upload_dir', array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ) );
+ /**
+ * Filter the uploads directory data.
+ *
+ * @since 2.0.0
+ *
+ * @param array $uploads Array of upload directory data with keys of 'path',
+ * 'url', 'subdir, 'basedir', and 'error'.
+ */
+ $uploads = apply_filters( 'upload_dir',
+ array(
+ 'path' => $dir,
+ 'url' => $url,
+ 'subdir' => $subdir,
+ 'basedir' => $basedir,
+ 'baseurl' => $baseurl,
+ 'error' => false,
+ ) );
- // Make sure we have an uploads dir
+ // Make sure we have an uploads directory.
if ( ! wp_mkdir_p( $uploads['path'] ) ) {
- $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $uploads['path'] );
- return array( 'error' => $message );
+ if ( 0 === strpos( $uploads['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+ else
+ $error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $error_path );
+ $uploads['error'] = $message;
}
return $uploads;
*
* @since 2.5.0
*
- * @param string $dir
- * @param string $filename
- * @param mixed $unique_filename_callback Callback.
+ * @param string $dir Directory.
+ * @param string $filename File name.
+ * @param callback $unique_filename_callback Callback. Default null.
* @return string New filename, if given wasn't unique.
*/
function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) {
- // sanitize the file name before we begin processing
+ // Sanitize the file name before we begin processing.
$filename = sanitize_file_name($filename);
- // separate the filename into a name and extension
+ // Separate the filename into a name and extension.
$info = pathinfo($filename);
$ext = !empty($info['extension']) ? '.' . $info['extension'] : '';
$name = basename($filename, $ext);
- // edge case: if file is named '.ext', treat as an empty name
+ // Edge case: if file is named '.ext', treat as an empty name.
if ( $name === $ext )
$name = '';
- // Increment the file number until we have a unique file to save in $dir. Use callback if supplied.
+ /*
+ * Increment the file number until we have a unique file to save in $dir.
+ * Use callback if supplied.
+ */
if ( $unique_filename_callback && is_callable( $unique_filename_callback ) ) {
$filename = call_user_func( $unique_filename_callback, $dir, $name, $ext );
} else {
$number = '';
- // change '.ext' to lower case
+ // Change '.ext' to lower case.
if ( $ext && strtolower($ext) != $ext ) {
$ext2 = strtolower($ext);
$filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename );
- // check for both lower and upper case extension or image sub-sizes may be overwritten
+ // Check for both lower and upper case extension or image sub-sizes may be overwritten.
while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) {
$new_number = $number + 1;
$filename = str_replace( "$number$ext", "$new_number$ext", $filename );
*
* @since 2.0.0
*
- * @param string $name
- * @param null $deprecated Never used. Set to null.
- * @param mixed $bits File content
- * @param string $time Optional. Time formatted in 'yyyy/mm'.
+ * @param string $name Filename.
+ * @param null|string $deprecated Never used. Set to null.
+ * @param mixed $bits File content
+ * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
* @return array
*/
function wp_upload_bits( $name, $deprecated, $bits, $time = null ) {
return array( 'error' => __( 'Empty filename' ) );
$wp_filetype = wp_check_filetype( $name );
- if ( !$wp_filetype['ext'] )
+ if ( ! $wp_filetype['ext'] && ! current_user_can( 'unfiltered_upload' ) )
return array( 'error' => __( 'Invalid file type' ) );
$upload = wp_upload_dir( $time );
if ( $upload['error'] !== false )
return $upload;
+ /**
+ * Filter whether to treat the upload bits as an error.
+ *
+ * Passing a non-array to the filter will effectively short-circuit preparing
+ * the upload bits, returning that value instead.
+ *
+ * @since 3.0.0
+ *
+ * @param mixed $upload_bits_error An array of upload bits data, or a non-array error to return.
+ */
$upload_bits_error = apply_filters( 'wp_upload_bits', array( 'name' => $name, 'bits' => $bits, 'time' => $time ) );
if ( !is_array( $upload_bits_error ) ) {
$upload[ 'error' ] = $upload_bits_error;
$new_file = $upload['path'] . "/$filename";
if ( ! wp_mkdir_p( dirname( $new_file ) ) ) {
- $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), dirname( $new_file ) );
+ if ( 0 === strpos( $upload['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $upload['basedir'] ) . $upload['subdir'];
+ else
+ $error_path = basename( $upload['basedir'] ) . $upload['subdir'];
+
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $error_path );
return array( 'error' => $message );
}
/**
* Retrieve the file type based on the extension name.
*
- * @package WordPress
* @since 2.5.0
- * @uses apply_filters() Calls 'ext2type' hook on default supported types.
*
* @param string $ext The extension to search.
- * @return string|null The file type, example: audio, video, document, spreadsheet, etc. Null if not found.
+ * @return string|null The file type, example: audio, video, document, spreadsheet, etc.
+ * Null if not found.
*/
function wp_ext2type( $ext ) {
+ $ext = strtolower( $ext );
+
+ /**
+ * Filter file type based on the extension name.
+ *
+ * @since 2.5.0
+ *
+ * @see wp_ext2type()
+ *
+ * @param array $ext2type Multi-dimensional array with extensions for a default set
+ * of file types.
+ */
$ext2type = apply_filters( 'ext2type', array(
- 'audio' => array( 'aac', 'ac3', 'aif', 'aiff', 'm3a', 'm4a', 'm4b', 'mka', 'mp1', 'mp2', 'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
- 'video' => array( 'asf', 'avi', 'divx', 'dv', 'flv', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt', 'rm', 'vob', 'wmv' ),
- 'document' => array( 'doc', 'docx', 'docm', 'dotm', 'odt', 'pages', 'pdf', 'rtf', 'wp', 'wpd' ),
- 'spreadsheet' => array( 'numbers', 'ods', 'xls', 'xlsx', 'xlsb', 'xlsm' ),
- 'interactive' => array( 'key', 'ppt', 'pptx', 'pptm', 'odp', 'swf' ),
+ 'image' => array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'bmp', 'tif', 'tiff', 'ico' ),
+ 'audio' => array( 'aac', 'ac3', 'aif', 'aiff', 'm3a', 'm4a', 'm4b', 'mka', 'mp1', 'mp2', 'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
+ 'video' => array( '3g2', '3gp', '3gpp', 'asf', 'avi', 'divx', 'dv', 'flv', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt', 'rm', 'vob', 'wmv' ),
+ 'document' => array( 'doc', 'docx', 'docm', 'dotm', 'odt', 'pages', 'pdf', 'xps', 'oxps', 'rtf', 'wp', 'wpd', 'psd', 'xcf' ),
+ 'spreadsheet' => array( 'numbers', 'ods', 'xls', 'xlsx', 'xlsm', 'xlsb' ),
+ 'interactive' => array( 'swf', 'key', 'ppt', 'pptx', 'pptm', 'pps', 'ppsx', 'ppsm', 'sldx', 'sldm', 'odp' ),
'text' => array( 'asc', 'csv', 'tsv', 'txt' ),
- 'archive' => array( 'bz2', 'cab', 'dmg', 'gz', 'rar', 'sea', 'sit', 'sqx', 'tar', 'tgz', 'zip', '7z' ),
+ 'archive' => array( 'bz2', 'cab', 'dmg', 'gz', 'rar', 'sea', 'sit', 'sqx', 'tar', 'tgz', 'zip', '7z' ),
'code' => array( 'css', 'htm', 'html', 'php', 'js' ),
- ));
+ ) );
+
foreach ( $ext2type as $type => $exts )
if ( in_array( $ext, $exts ) )
return $type;
+
+ return null;
}
/**
* @since 2.0.4
*
* @param string $filename File name or path.
- * @param array $mimes Optional. Key is the file extension with value as the mime type.
+ * @param array $mimes Optional. Key is the file extension with value as the mime type.
* @return array Values with extension first and mime type.
*/
function wp_check_filetype( $filename, $mimes = null ) {
/**
* Attempt to determine the real file type of a file.
+ *
* If unable to, the file name extension will be used to determine type.
*
* If it's determined that the extension does not match the file's real type,
*
* @since 3.0.0
*
- * @param string $file Full path to the image.
- * @param string $filename The filename of the image (may differ from $file due to $file being in a tmp directory)
- * @param array $mimes Optional. Key is the file extension with value as the mime type.
- * @return array Values for the extension, MIME, and either a corrected filename or false if original $filename is valid
+ * @param string $file Full path to the file.
+ * @param string $filename The name of the file (may differ from $file due to $file being
+ * in a tmp directory).
+ * @param array $mimes Optional. Key is the file extension with value as the mime type.
+ * @return array Values for the extension, MIME, and either a corrected filename or false
+ * if original $filename is valid.
*/
function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
// Do basic extension validation and MIME mapping
$wp_filetype = wp_check_filetype( $filename, $mimes );
- extract( $wp_filetype );
+ $ext = $wp_filetype['ext'];
+ $type = $wp_filetype['type'];
// We can't do any further validation without a file to work with
- if ( ! file_exists( $file ) )
+ if ( ! file_exists( $file ) ) {
return compact( 'ext', 'type', 'proper_filename' );
+ }
// We're able to validate images using GD
if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) {
// If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME
if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) {
- // This is a simplified array of MIMEs that getimagesize() can detect and their extensions
- // You shouldn't need to use this filter, but it's here just in case
+ /**
+ * Filter the list mapping image mime types to their respective extensions.
+ *
+ * @since 3.0.0
+ *
+ * @param array $mime_to_ext Array of image mime types and their matching extensions.
+ */
$mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array(
'image/jpeg' => 'jpg',
'image/png' => 'png',
$filename_parts[] = $mime_to_ext[ $imgstats['mime'] ];
$new_filename = implode( '.', $filename_parts );
- if ( $new_filename != $filename )
+ if ( $new_filename != $filename ) {
$proper_filename = $new_filename; // Mark that it changed
-
+ }
// Redefine the extension / MIME
$wp_filetype = wp_check_filetype( $new_filename, $mimes );
- extract( $wp_filetype );
+ $ext = $wp_filetype['ext'];
+ $type = $wp_filetype['type'];
}
}
}
- // Let plugins try and validate other types of files
- // Should return an array in the style of array( 'ext' => $ext, 'type' => $type, 'proper_filename' => $proper_filename )
+ /**
+ * Filter the "real" file type of the given file.
+ *
+ * @since 3.0.0
+ *
+ * @param array $wp_check_filetype_and_ext File data array containing 'ext', 'type', and
+ * 'proper_filename' keys.
+ * @param string $file Full path to the file.
+ * @param string $filename The name of the file (may differ from $file due to
+ * $file being in a tmp directory).
+ * @param array $mimes Key is the file extension with value as the mime type.
+ */
return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );
}
/**
- * Retrieve list of allowed mime types and file extensions.
+ * Retrieve list of mime types and file extensions.
*
- * @since 2.8.6
+ * @since 3.5.0
+ * @since 4.2.0 Support was added for GIMP (xcf) files.
*
* @return array Array of mime types keyed by the file extension regex corresponding to those types.
*/
-function get_allowed_mime_types() {
- static $mimes = false;
-
- if ( !$mimes ) {
- // Accepted MIME types are set here as PCRE unless provided.
- $mimes = apply_filters( 'upload_mimes', array(
- 'jpg|jpeg|jpe' => 'image/jpeg',
- 'gif' => 'image/gif',
- 'png' => 'image/png',
- 'bmp' => 'image/bmp',
- 'tif|tiff' => 'image/tiff',
- 'ico' => 'image/x-icon',
- 'asf|asx|wax|wmv|wmx' => 'video/asf',
- 'avi' => 'video/avi',
- 'divx' => 'video/divx',
- 'flv' => 'video/x-flv',
- 'mov|qt' => 'video/quicktime',
- 'mpeg|mpg|mpe' => 'video/mpeg',
- 'txt|asc|c|cc|h' => 'text/plain',
- 'csv' => 'text/csv',
- 'tsv' => 'text/tab-separated-values',
- 'ics' => 'text/calendar',
- 'rtx' => 'text/richtext',
- 'css' => 'text/css',
- 'htm|html' => 'text/html',
- 'mp3|m4a|m4b' => 'audio/mpeg',
- 'mp4|m4v' => 'video/mp4',
- 'ra|ram' => 'audio/x-realaudio',
- 'wav' => 'audio/wav',
- 'ogg|oga' => 'audio/ogg',
- 'ogv' => 'video/ogg',
- 'mid|midi' => 'audio/midi',
- 'wma' => 'audio/wma',
- 'mka' => 'audio/x-matroska',
- 'mkv' => 'video/x-matroska',
- 'rtf' => 'application/rtf',
- 'js' => 'application/javascript',
- 'pdf' => 'application/pdf',
- 'doc|docx' => 'application/msword',
- 'pot|pps|ppt|pptx|ppam|pptm|sldm|ppsm|potm' => 'application/vnd.ms-powerpoint',
- 'wri' => 'application/vnd.ms-write',
- 'xla|xls|xlsx|xlt|xlw|xlam|xlsb|xlsm|xltm' => 'application/vnd.ms-excel',
- 'mdb' => 'application/vnd.ms-access',
- 'mpp' => 'application/vnd.ms-project',
- 'docm|dotm' => 'application/vnd.ms-word',
- 'pptx|sldx|ppsx|potx' => 'application/vnd.openxmlformats-officedocument.presentationml',
- 'xlsx|xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml',
- 'docx|dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml',
- 'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
- 'swf' => 'application/x-shockwave-flash',
- 'class' => 'application/java',
- 'tar' => 'application/x-tar',
- 'zip' => 'application/zip',
- 'gz|gzip' => 'application/x-gzip',
- 'rar' => 'application/rar',
- '7z' => 'application/x-7z-compressed',
- 'exe' => 'application/x-msdownload',
- // openoffice formats
- 'odt' => 'application/vnd.oasis.opendocument.text',
- 'odp' => 'application/vnd.oasis.opendocument.presentation',
- 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
- 'odg' => 'application/vnd.oasis.opendocument.graphics',
- 'odc' => 'application/vnd.oasis.opendocument.chart',
- 'odb' => 'application/vnd.oasis.opendocument.database',
- 'odf' => 'application/vnd.oasis.opendocument.formula',
- // wordperfect formats
- 'wp|wpd' => 'application/wordperfect',
- ) );
- }
-
- return $mimes;
+function wp_get_mime_types() {
+ /**
+ * Filter the list of mime types and file extensions.
+ *
+ * This filter should be used to add, not remove, mime types. To remove
+ * mime types, use the 'upload_mimes' filter.
+ *
+ * @since 3.5.0
+ *
+ * @param array $wp_get_mime_types Mime types keyed by the file extension regex
+ * corresponding to those types.
+ */
+ return apply_filters( 'mime_types', array(
+ // Image formats.
+ 'jpg|jpeg|jpe' => 'image/jpeg',
+ 'gif' => 'image/gif',
+ 'png' => 'image/png',
+ 'bmp' => 'image/bmp',
+ 'tiff|tif' => 'image/tiff',
+ 'ico' => 'image/x-icon',
+ // Video formats.
+ 'asf|asx' => 'video/x-ms-asf',
+ 'wmv' => 'video/x-ms-wmv',
+ 'wmx' => 'video/x-ms-wmx',
+ 'wm' => 'video/x-ms-wm',
+ 'avi' => 'video/avi',
+ 'divx' => 'video/divx',
+ 'flv' => 'video/x-flv',
+ 'mov|qt' => 'video/quicktime',
+ 'mpeg|mpg|mpe' => 'video/mpeg',
+ 'mp4|m4v' => 'video/mp4',
+ 'ogv' => 'video/ogg',
+ 'webm' => 'video/webm',
+ 'mkv' => 'video/x-matroska',
+ '3gp|3gpp' => 'video/3gpp', // Can also be audio
+ '3g2|3gp2' => 'video/3gpp2', // Can also be audio
+ // Text formats.
+ 'txt|asc|c|cc|h|srt' => 'text/plain',
+ 'csv' => 'text/csv',
+ 'tsv' => 'text/tab-separated-values',
+ 'ics' => 'text/calendar',
+ 'rtx' => 'text/richtext',
+ 'css' => 'text/css',
+ 'htm|html' => 'text/html',
+ 'vtt' => 'text/vtt',
+ 'dfxp' => 'application/ttaf+xml',
+ // Audio formats.
+ 'mp3|m4a|m4b' => 'audio/mpeg',
+ 'ra|ram' => 'audio/x-realaudio',
+ 'wav' => 'audio/wav',
+ 'ogg|oga' => 'audio/ogg',
+ 'mid|midi' => 'audio/midi',
+ 'wma' => 'audio/x-ms-wma',
+ 'wax' => 'audio/x-ms-wax',
+ 'mka' => 'audio/x-matroska',
+ // Misc application formats.
+ 'rtf' => 'application/rtf',
+ 'js' => 'application/javascript',
+ 'pdf' => 'application/pdf',
+ 'swf' => 'application/x-shockwave-flash',
+ 'class' => 'application/java',
+ 'tar' => 'application/x-tar',
+ 'zip' => 'application/zip',
+ 'gz|gzip' => 'application/x-gzip',
+ 'rar' => 'application/rar',
+ '7z' => 'application/x-7z-compressed',
+ 'exe' => 'application/x-msdownload',
+ 'psd' => 'application/octet-stream',
+ 'xcf' => 'application/octet-stream',
+ // MS Office formats.
+ 'doc' => 'application/msword',
+ 'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
+ 'wri' => 'application/vnd.ms-write',
+ 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
+ 'mdb' => 'application/vnd.ms-access',
+ 'mpp' => 'application/vnd.ms-project',
+ 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+ 'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
+ 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+ 'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
+ 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+ 'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
+ 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+ 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+ 'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
+ 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
+ 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+ 'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
+ 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+ 'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
+ 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+ 'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
+ 'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
+ 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
+ 'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
+ 'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
+ 'oxps' => 'application/oxps',
+ 'xps' => 'application/vnd.ms-xpsdocument',
+ // OpenOffice formats.
+ 'odt' => 'application/vnd.oasis.opendocument.text',
+ 'odp' => 'application/vnd.oasis.opendocument.presentation',
+ 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
+ 'odg' => 'application/vnd.oasis.opendocument.graphics',
+ 'odc' => 'application/vnd.oasis.opendocument.chart',
+ 'odb' => 'application/vnd.oasis.opendocument.database',
+ 'odf' => 'application/vnd.oasis.opendocument.formula',
+ // WordPerfect formats.
+ 'wp|wpd' => 'application/wordperfect',
+ // iWork formats.
+ 'key' => 'application/vnd.apple.keynote',
+ 'numbers' => 'application/vnd.apple.numbers',
+ 'pages' => 'application/vnd.apple.pages',
+ ) );
}
-
/**
- * Retrieve nonce action "Are you sure" message.
- *
- * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
+ * Retrieve list of allowed mime types and file extensions.
*
- * @since 2.0.4
- * @deprecated 3.4.1
- * @deprecated Use wp_nonce_ays()
- * @see wp_nonce_ays()
+ * @since 2.8.6
*
- * @param string $action Nonce action.
- * @return string Are you sure message.
+ * @param int|WP_User $user Optional. User to check. Defaults to current user.
+ * @return array Array of mime types keyed by the file extension regex corresponding
+ * to those types.
*/
-function wp_explain_nonce( $action ) {
- _deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
- return __( 'Are you sure you want to do this?' );
+function get_allowed_mime_types( $user = null ) {
+ $t = wp_get_mime_types();
+
+ unset( $t['swf'], $t['exe'] );
+ if ( function_exists( 'current_user_can' ) )
+ $unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );
+
+ if ( empty( $unfiltered ) )
+ unset( $t['htm|html'] );
+
+ /**
+ * Filter list of allowed mime types and file extensions.
+ *
+ * @since 2.0.0
+ *
+ * @param array $t Mime types keyed by the file extension regex corresponding to
+ * those types. 'swf' and 'exe' removed from full list. 'htm|html' also
+ * removed depending on '$user' capabilities.
+ * @param int|WP_User|null $user User ID, User object or null if not provided (indicates current user).
+ */
+ return apply_filters( 'upload_mimes', $t, $user );
}
/**
* Display "Are You Sure" message to confirm the action being taken.
*
- * If the action has the nonce explain message, then it will be displayed along
- * with the "Are you sure?" message.
+ * If the action has the nonce explain message, then it will be displayed
+ * along with the "Are you sure?" message.
*
- * @package WordPress
- * @subpackage Security
* @since 2.0.4
*
* @param string $action The nonce action.
*/
function wp_nonce_ays( $action ) {
- $title = __( 'WordPress Failure Notice' );
if ( 'log-out' == $action ) {
$html = sprintf( __( 'You are attempting to log out of %s' ), get_bloginfo( 'name' ) ) . '</p><p>';
- $html .= sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url() );
+ $redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : '';
+ $html .= sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url( $redirect_to ) );
} else {
$html = __( 'Are you sure you want to do this?' );
if ( wp_get_referer() )
$html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>";
}
- wp_die( $html, $title, array('response' => 403) );
+ wp_die( $html, __( 'WordPress Failure Notice' ), 403 );
}
/**
* Kill WordPress execution and display HTML message with error message.
*
- * This function complements the die() PHP function. The difference is that
+ * This function complements the `die()` PHP function. The difference is that
* HTML will be displayed to the user. It is recommended to use this function
- * only, when the execution should not continue any further. It is not
- * recommended to call this function very often and try to handle as many errors
- * as possible silently.
+ * only when the execution should not continue any further. It is not recommended
+ * to call this function very often, and try to handle as many errors as possible
+ * silently or more gracefully.
*
- * @since 2.0.4
+ * As a shorthand, the desired HTTP response code may be passed as an integer to
+ * the `$title` parameter (the default title would apply) or the `$args` parameter.
*
- * @param string $message Error message.
- * @param string $title Error title.
- * @param string|array $args Optional arguments to control behavior.
+ * @since 2.0.4
+ * @since 4.1.0 The `$title` and `$args` parameters were changed to optionally accept
+ * an integer to be used as the response code.
+ *
+ * @param string|WP_Error $message Optional. Error message. If this is a {@see WP_Error} object,
+ * the error's messages are used. Default empty.
+ * @param string|int $title Optional. Error title. If `$message` is a `WP_Error` object,
+ * error data with the key 'title' may be used to specify the title.
+ * If `$title` is an integer, then it is treated as the response
+ * code. Default empty.
+ * @param string|array|int $args {
+ * Optional. Arguments to control behavior. If `$args` is an integer, then it is treated
+ * as the response code. Default empty array.
+ *
+ * @type int $response The HTTP response code. Default 500.
+ * @type bool $back_link Whether to include a link to go back. Default false.
+ * @type string $text_direction The text direction. This is only useful internally, when WordPress
+ * is still loading and the site's locale is not set up yet. Accepts 'rtl'.
+ * Default is the value of {@see is_rtl()}.
+ * }
*/
function wp_die( $message = '', $title = '', $args = array() ) {
- if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+
+ if ( is_int( $args ) ) {
+ $args = array( 'response' => $args );
+ } elseif ( is_int( $title ) ) {
+ $args = array( 'response' => $title );
+ $title = '';
+ }
+
+ if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
+ /**
+ * Filter callback for killing WordPress execution for AJAX requests.
+ *
+ * @since 3.4.0
+ *
+ * @param callback $function Callback function name.
+ */
$function = apply_filters( 'wp_die_ajax_handler', '_ajax_wp_die_handler' );
- elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST )
+ } elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
+ /**
+ * Filter callback for killing WordPress execution for XML-RPC requests.
+ *
+ * @since 3.4.0
+ *
+ * @param callback $function Callback function name.
+ */
$function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' );
- elseif ( defined( 'APP_REQUEST' ) && APP_REQUEST )
- $function = apply_filters( 'wp_die_app_handler', '_scalar_wp_die_handler' );
- else
+ } else {
+ /**
+ * Filter callback for killing WordPress execution for all non-AJAX, non-XML-RPC requests.
+ *
+ * @since 3.0.0
+ *
+ * @param callback $function Callback function name.
+ */
$function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' );
+ }
call_user_func( $function, $message, $title, $args );
}
* @since 3.0.0
* @access private
*
- * @param string $message Error message.
- * @param string $title Error title.
- * @param string|array $args Optional arguments to control behavior.
+ * @param string $message Error message.
+ * @param string $title Optional. Error title. Default empty.
+ * @param string|array $args Optional. Arguments to control behavior. Default empty array.
*/
function _default_wp_die_handler( $message, $title = '', $args = array() ) {
$defaults = array( 'response' => 500 );
$title = $error_data['title'];
}
$errors = $message->get_error_messages();
- switch ( count( $errors ) ) :
+ switch ( count( $errors ) ) {
case 0 :
$message = '';
break;
default :
$message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>";
break;
- endswitch;
+ }
} elseif ( is_string( $message ) ) {
$message = "<p>$message</p>";
}
<title><?php echo $title ?></title>
<style type="text/css">
html {
- background: #f9f9f9;
+ background: #f1f1f1;
}
body {
background: #fff;
- color: #333;
- font-family: sans-serif;
+ color: #444;
+ font-family: "Open Sans", sans-serif;
margin: 2em auto;
padding: 1em 2em;
- -webkit-border-radius: 3px;
- border-radius: 3px;
- border: 1px solid #dfdfdf;
max-width: 700px;
+ -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+ box-shadow: 0 1px 3px rgba(0,0,0,0.13);
}
h1 {
border-bottom: 1px solid #dadada;
clear: both;
color: #666;
- font: 24px Georgia, "Times New Roman", Times, serif;
+ font: 24px "Open Sans", sans-serif;
margin: 30px 0 0 0;
padding: 0;
padding-bottom: 7px;
a:hover {
color: #D54E21;
}
-
.button {
- font-family: sans-serif;
+ background: #f7f7f7;
+ border: 1px solid #cccccc;
+ color: #555;
+ display: inline-block;
text-decoration: none;
- font-size: 14px !important;
- line-height: 16px;
- padding: 6px 12px;
+ font-size: 13px;
+ line-height: 26px;
+ height: 28px;
+ margin: 0;
+ padding: 0 10px 1px;
cursor: pointer;
- border: 1px solid #bbb;
- color: #464646;
- -webkit-border-radius: 15px;
- border-radius: 15px;
- -moz-box-sizing: content-box;
- -webkit-box-sizing: content-box;
- box-sizing: content-box;
- background-color: #f5f5f5;
- background-image: -ms-linear-gradient(top, #ffffff, #f2f2f2);
- background-image: -moz-linear-gradient(top, #ffffff, #f2f2f2);
- background-image: -o-linear-gradient(top, #ffffff, #f2f2f2);
- background-image: -webkit-gradient(linear, left top, left bottom, from(#ffffff), to(#f2f2f2));
- background-image: -webkit-linear-gradient(top, #ffffff, #f2f2f2);
- background-image: linear-gradient(top, #ffffff, #f2f2f2);
+ -webkit-border-radius: 3px;
+ -webkit-appearance: none;
+ border-radius: 3px;
+ white-space: nowrap;
+ -webkit-box-sizing: border-box;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+
+ -webkit-box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba(0,0,0,.08);
+ box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba(0,0,0,.08);
+ vertical-align: top;
+ }
+
+ .button.button-large {
+ height: 29px;
+ line-height: 28px;
+ padding: 0 12px;
+ }
+
+ .button:hover,
+ .button:focus {
+ background: #fafafa;
+ border-color: #999;
+ color: #222;
}
- .button:hover {
- color: #000;
- border-color: #666;
+ .button:focus {
+ -webkit-box-shadow: 1px 1px 1px rgba(0,0,0,.2);
+ box-shadow: 1px 1px 1px rgba(0,0,0,.2);
}
.button:active {
- background-image: -ms-linear-gradient(top, #f2f2f2, #ffffff);
- background-image: -moz-linear-gradient(top, #f2f2f2, #ffffff);
- background-image: -o-linear-gradient(top, #f2f2f2, #ffffff);
- background-image: -webkit-gradient(linear, left top, left bottom, from(#f2f2f2), to(#ffffff));
- background-image: -webkit-linear-gradient(top, #f2f2f2, #ffffff);
- background-image: linear-gradient(top, #f2f2f2, #ffffff);
+ background: #eee;
+ border-color: #999;
+ color: #333;
+ -webkit-box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+ box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
}
<?php if ( 'rtl' == $text_direction ) : ?>
* @since 3.2.0
* @access private
*
- * @param string $message Error message.
- * @param string $title Error title.
- * @param string|array $args Optional arguments to control behavior.
+ * @param string $message Error message.
+ * @param string $title Optional. Error title. Default empty.
+ * @param string|array $args Optional. Arguments to control behavior. Default empty array.
*/
function _xmlrpc_wp_die_handler( $message, $title = '', $args = array() ) {
global $wp_xmlrpc_server;
* @since 3.4.0
* @access private
*
- * @param string $message Optional. Response to print.
+ * @param string $message Optional. Response to print. Default empty.
*/
function _ajax_wp_die_handler( $message = '' ) {
if ( is_scalar( $message ) )
* @since 3.4.0
* @access private
*
- * @param string $message Optional. Response to print.
+ * @param string $message Optional. Response to print. Default empty.
*/
function _scalar_wp_die_handler( $message = '' ) {
if ( is_scalar( $message ) )
}
/**
- * Retrieve the WordPress home page URL.
- *
- * If the constant named 'WP_HOME' exists, then it will be used and returned by
- * the function. This can be used to counter the redirection on your local
- * development environment.
+ * Encode a variable into JSON, with some sanity checks.
*
- * @access private
- * @package WordPress
- * @since 2.2.0
+ * @since 4.1.0
*
- * @param string $url URL for the home location
- * @return string Homepage location.
+ * @param mixed $data Variable (usually an array or object) to encode as JSON.
+ * @param int $options Optional. Options to be passed to json_encode(). Default 0.
+ * @param int $depth Optional. Maximum depth to walk through $data. Must be
+ * greater than 0. Default 512.
+ * @return bool|string The JSON encoded string, or false if it cannot be encoded.
*/
-function _config_wp_home( $url = '' ) {
- if ( defined( 'WP_HOME' ) )
- return untrailingslashit( WP_HOME );
- return $url;
+function wp_json_encode( $data, $options = 0, $depth = 512 ) {
+ /*
+ * json_encode() has had extra params added over the years.
+ * $options was added in 5.3, and $depth in 5.5.
+ * We need to make sure we call it with the correct arguments.
+ */
+ if ( version_compare( PHP_VERSION, '5.5', '>=' ) ) {
+ $args = array( $data, $options, $depth );
+ } elseif ( version_compare( PHP_VERSION, '5.3', '>=' ) ) {
+ $args = array( $data, $options );
+ } else {
+ $args = array( $data );
+ }
+
+ $json = call_user_func_array( 'json_encode', $args );
+
+ // If json_encode() was successful, no need to do more sanity checking.
+ // ... unless we're in an old version of PHP, and json_encode() returned
+ // a string containing 'null'. Then we need to do more sanity checking.
+ if ( false !== $json && ( version_compare( PHP_VERSION, '5.5', '>=' ) || false === strpos( $json, 'null' ) ) ) {
+ return $json;
+ }
+
+ try {
+ $args[0] = _wp_json_sanity_check( $data, $depth );
+ } catch ( Exception $e ) {
+ return false;
+ }
+
+ return call_user_func_array( 'json_encode', $args );
}
/**
- * Retrieve the WordPress site URL.
+ * Perform sanity checks on data that shall be encoded to JSON.
*
- * If the constant named 'WP_SITEURL' is defined, then the value in that
- * constant will always be returned. This can be used for debugging a site on
- * your localhost while not having to change the database to your URL.
+ * @ignore
+ * @since 4.1.0
+ * @access private
+ *
+ * @see wp_json_encode()
*
+ * @param mixed $data Variable (usually an array or object) to encode as JSON.
+ * @param int $depth Maximum depth to walk through $data. Must be greater than 0.
+ * @return mixed The sanitized data that shall be encoded to JSON.
+ */
+function _wp_json_sanity_check( $data, $depth ) {
+ if ( $depth < 0 ) {
+ throw new Exception( 'Reached depth limit' );
+ }
+
+ if ( is_array( $data ) ) {
+ $output = array();
+ foreach ( $data as $id => $el ) {
+ // Don't forget to sanitize the ID!
+ if ( is_string( $id ) ) {
+ $clean_id = _wp_json_convert_string( $id );
+ } else {
+ $clean_id = $id;
+ }
+
+ // Check the element type, so that we're only recursing if we really have to.
+ if ( is_array( $el ) || is_object( $el ) ) {
+ $output[ $clean_id ] = _wp_json_sanity_check( $el, $depth - 1 );
+ } elseif ( is_string( $el ) ) {
+ $output[ $clean_id ] = _wp_json_convert_string( $el );
+ } else {
+ $output[ $clean_id ] = $el;
+ }
+ }
+ } elseif ( is_object( $data ) ) {
+ $output = new stdClass;
+ foreach ( $data as $id => $el ) {
+ if ( is_string( $id ) ) {
+ $clean_id = _wp_json_convert_string( $id );
+ } else {
+ $clean_id = $id;
+ }
+
+ if ( is_array( $el ) || is_object( $el ) ) {
+ $output->$clean_id = _wp_json_sanity_check( $el, $depth - 1 );
+ } elseif ( is_string( $el ) ) {
+ $output->$clean_id = _wp_json_convert_string( $el );
+ } else {
+ $output->$clean_id = $el;
+ }
+ }
+ } elseif ( is_string( $data ) ) {
+ return _wp_json_convert_string( $data );
+ } else {
+ return $data;
+ }
+
+ return $output;
+}
+
+/**
+ * Convert a string to UTF-8, so that it can be safely encoded to JSON.
+ *
+ * @ignore
+ * @since 4.1.0
* @access private
- * @package WordPress
+ *
+ * @see _wp_json_sanity_check()
+ *
+ * @param string $string The string which is to be converted.
+ * @return string The checked string.
+ */
+function _wp_json_convert_string( $string ) {
+ static $use_mb = null;
+ if ( is_null( $use_mb ) ) {
+ $use_mb = function_exists( 'mb_convert_encoding' );
+ }
+
+ if ( $use_mb ) {
+ $encoding = mb_detect_encoding( $string, mb_detect_order(), true );
+ if ( $encoding ) {
+ return mb_convert_encoding( $string, 'UTF-8', $encoding );
+ } else {
+ return mb_convert_encoding( $string, 'UTF-8', 'UTF-8' );
+ }
+ } else {
+ return wp_check_invalid_utf8( $string, true );
+ }
+}
+
+/**
+ * Send a JSON response back to an Ajax request.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $response Variable (usually an array or object) to encode as JSON,
+ * then print and die.
+ */
+function wp_send_json( $response ) {
+ @header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
+ echo wp_json_encode( $response );
+ if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+ wp_die();
+ else
+ die;
+}
+
+/**
+ * Send a JSON response back to an Ajax request, indicating success.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $data Data to encode as JSON, then print and die.
+ */
+function wp_send_json_success( $data = null ) {
+ $response = array( 'success' => true );
+
+ if ( isset( $data ) )
+ $response['data'] = $data;
+
+ wp_send_json( $response );
+}
+
+/**
+ * Send a JSON response back to an Ajax request, indicating failure.
+ *
+ * If the `$data` parameter is a {@see WP_Error} object, the errors
+ * within the object are processed and output as an array of error
+ * codes and corresponding messages. All other types are output
+ * without further processing.
+ *
+ * @since 3.5.0
+ * @since 4.1.0 The `$data` parameter is now processed if a {@see WP_Error}
+ * object is passed in.
+ *
+ * @param mixed $data Data to encode as JSON, then print and die.
+ */
+function wp_send_json_error( $data = null ) {
+ $response = array( 'success' => false );
+
+ if ( isset( $data ) ) {
+ if ( is_wp_error( $data ) ) {
+ $result = array();
+ foreach ( $data->errors as $code => $messages ) {
+ foreach ( $messages as $message ) {
+ $result[] = array( 'code' => $code, 'message' => $message );
+ }
+ }
+
+ $response['data'] = $result;
+ } else {
+ $response['data'] = $data;
+ }
+ }
+
+ wp_send_json( $response );
+}
+
+/**
+ * Retrieve the WordPress home page URL.
+ *
+ * If the constant named 'WP_HOME' exists, then it will be used and returned
+ * by the function. This can be used to counter the redirection on your local
+ * development environment.
+ *
+ * @since 2.2.0
+ * @access private
+ *
+ * @see WP_HOME
+ *
+ * @param string $url URL for the home location.
+ * @return string Homepage location.
+ */
+function _config_wp_home( $url = '' ) {
+ if ( defined( 'WP_HOME' ) )
+ return untrailingslashit( WP_HOME );
+ return $url;
+}
+
+/**
+ * Retrieve the WordPress site URL.
+ *
+ * If the constant named 'WP_SITEURL' is defined, then the value in that
+ * constant will always be returned. This can be used for debugging a site
+ * on your localhost while not having to change the database to your URL.
+ *
* @since 2.2.0
+ * @access private
+ *
+ * @see WP_SITEURL
*
* @param string $url URL to set the WordPress site location.
- * @return string The WordPress Site URL
+ * @return string The WordPress Site URL.
*/
function _config_wp_siteurl( $url = '' ) {
if ( defined( 'WP_SITEURL' ) )
/**
* Set the localized direction for MCE plugin.
*
- * Will only set the direction to 'rtl', if the WordPress locale has the text
- * direction set to 'rtl'.
+ * Will only set the direction to 'rtl', if the WordPress locale has
+ * the text direction set to 'rtl'.
*
- * Fills in the 'directionality', 'plugins', and 'theme_advanced_button1' array
- * keys. These keys are then returned in the $input array.
+ * Fills in the 'directionality' setting, enables the 'directionality'
+ * plugin, and adds the 'ltr' button to 'toolbar1', formerly
+ * 'theme_advanced_buttons1' array keys. These keys are then returned
+ * in the $input (TinyMCE settings) array.
*
- * @access private
- * @package WordPress
- * @subpackage MCE
* @since 2.1.0
+ * @access private
*
- * @param array $input MCE plugin array.
+ * @param array $input MCE settings array.
* @return array Direction set for 'rtl', if needed by locale.
*/
function _mce_set_direction( $input ) {
if ( is_rtl() ) {
$input['directionality'] = 'rtl';
- $input['plugins'] .= ',directionality';
- $input['theme_advanced_buttons1'] .= ',ltr';
+
+ if ( ! empty( $input['plugins'] ) && strpos( $input['plugins'], 'directionality' ) === false ) {
+ $input['plugins'] .= ',directionality';
+ }
+
+ if ( ! empty( $input['toolbar1'] ) && ! preg_match( '/\bltr\b/', $input['toolbar1'] ) ) {
+ $input['toolbar1'] .= ',ltr';
+ }
}
return $input;
}
+
/**
* Convert smiley code to the icon graphic file equivalent.
*
*
* @global array $wpsmiliestrans
* @global array $wp_smiliessearch
+ *
* @since 2.2.0
*/
function smilies_init() {
if ( !isset( $wpsmiliestrans ) ) {
$wpsmiliestrans = array(
- ':mrgreen:' => 'icon_mrgreen.gif',
- ':neutral:' => 'icon_neutral.gif',
- ':twisted:' => 'icon_twisted.gif',
- ':arrow:' => 'icon_arrow.gif',
- ':shock:' => 'icon_eek.gif',
- ':smile:' => 'icon_smile.gif',
- ':???:' => 'icon_confused.gif',
- ':cool:' => 'icon_cool.gif',
- ':evil:' => 'icon_evil.gif',
- ':grin:' => 'icon_biggrin.gif',
- ':idea:' => 'icon_idea.gif',
- ':oops:' => 'icon_redface.gif',
- ':razz:' => 'icon_razz.gif',
- ':roll:' => 'icon_rolleyes.gif',
- ':wink:' => 'icon_wink.gif',
- ':cry:' => 'icon_cry.gif',
- ':eek:' => 'icon_surprised.gif',
- ':lol:' => 'icon_lol.gif',
- ':mad:' => 'icon_mad.gif',
- ':sad:' => 'icon_sad.gif',
- '8-)' => 'icon_cool.gif',
- '8-O' => 'icon_eek.gif',
- ':-(' => 'icon_sad.gif',
- ':-)' => 'icon_smile.gif',
- ':-?' => 'icon_confused.gif',
- ':-D' => 'icon_biggrin.gif',
- ':-P' => 'icon_razz.gif',
- ':-o' => 'icon_surprised.gif',
- ':-x' => 'icon_mad.gif',
- ':-|' => 'icon_neutral.gif',
- ';-)' => 'icon_wink.gif',
+ ':mrgreen:' => 'mrgreen.png',
+ ':neutral:' => "\xf0\x9f\x98\x90",
+ ':twisted:' => "\xf0\x9f\x98\x88",
+ ':arrow:' => "\xe2\x9e\xa1",
+ ':shock:' => "\xf0\x9f\x98\xaf",
+ ':smile:' => 'simple-smile.png',
+ ':???:' => "\xf0\x9f\x98\x95",
+ ':cool:' => "\xf0\x9f\x98\x8e",
+ ':evil:' => "\xf0\x9f\x91\xbf",
+ ':grin:' => "\xf0\x9f\x98\x80",
+ ':idea:' => "\xf0\x9f\x92\xa1",
+ ':oops:' => "\xf0\x9f\x98\xb3",
+ ':razz:' => "\xf0\x9f\x98\x9b",
+ ':roll:' => 'rolleyes.png',
+ ':wink:' => "\xf0\x9f\x98\x89",
+ ':cry:' => "\xf0\x9f\x98\xa5",
+ ':eek:' => "\xf0\x9f\x98\xae",
+ ':lol:' => "\xf0\x9f\x98\x86",
+ ':mad:' => "\xf0\x9f\x98\xa1",
+ ':sad:' => 'frownie.png',
+ '8-)' => "\xf0\x9f\x98\x8e",
+ '8-O' => "\xf0\x9f\x98\xaf",
+ ':-(' => 'frownie.png',
+ ':-)' => 'simple-smile.png',
+ ':-?' => "\xf0\x9f\x98\x95",
+ ':-D' => "\xf0\x9f\x98\x80",
+ ':-P' => "\xf0\x9f\x98\x9b",
+ ':-o' => "\xf0\x9f\x98\xae",
+ ':-x' => "\xf0\x9f\x98\xa1",
+ ':-|' => "\xf0\x9f\x98\x90",
+ ';-)' => "\xf0\x9f\x98\x89",
// This one transformation breaks regular text with frequency.
- // '8)' => 'icon_cool.gif',
- '8O' => 'icon_eek.gif',
- ':(' => 'icon_sad.gif',
- ':)' => 'icon_smile.gif',
- ':?' => 'icon_confused.gif',
- ':D' => 'icon_biggrin.gif',
- ':P' => 'icon_razz.gif',
- ':o' => 'icon_surprised.gif',
- ':x' => 'icon_mad.gif',
- ':|' => 'icon_neutral.gif',
- ';)' => 'icon_wink.gif',
- ':!:' => 'icon_exclaim.gif',
- ':?:' => 'icon_question.gif',
+ // '8)' => "\xf0\x9f\x98\x8e",
+ '8O' => "\xf0\x9f\x98\xaf",
+ ':(' => 'frownie.png',
+ ':)' => 'simple-smile.png',
+ ':?' => "\xf0\x9f\x98\x95",
+ ':D' => "\xf0\x9f\x98\x80",
+ ':P' => "\xf0\x9f\x98\x9b",
+ ':o' => "\xf0\x9f\x98\xae",
+ ':x' => "\xf0\x9f\x98\xa1",
+ ':|' => "\xf0\x9f\x98\x90",
+ ';)' => "\xf0\x9f\x98\x89",
+ ':!:' => "\xe2\x9d\x97",
+ ':?:' => "\xe2\x9d\x93",
);
}
*/
krsort($wpsmiliestrans);
- $wp_smiliessearch = '/(?:\s|^)';
+ $spaces = wp_spaces_regexp();
+
+ // Begin first "subpattern"
+ $wp_smiliessearch = '/(?<=' . $spaces . '|^)';
$subchar = '';
foreach ( (array) $wpsmiliestrans as $smiley => $img ) {
// new subpattern?
if ($firstchar != $subchar) {
if ($subchar != '') {
- $wp_smiliessearch .= ')|(?:\s|^)';
+ $wp_smiliessearch .= ')(?=' . $spaces . '|$)'; // End previous "subpattern"
+ $wp_smiliessearch .= '|(?<=' . $spaces . '|^)'; // Begin another "subpattern"
}
$subchar = $firstchar;
$wp_smiliessearch .= preg_quote($firstchar, '/') . '(?:';
$wp_smiliessearch .= preg_quote($rest, '/');
}
- $wp_smiliessearch .= ')(?:\s|$)/m';
+ $wp_smiliessearch .= ')(?=' . $spaces . '|$)/m';
+
}
/**
*
* @since 2.2.0
*
- * @param string|array $args Value to merge with $defaults
- * @param array $defaults Array that serves as the defaults.
+ * @param string|array $args Value to merge with $defaults
+ * @param array $defaults Optional. Array that serves as the defaults. Default empty.
* @return array Merged user defined values with defaults.
*/
function wp_parse_args( $args, $defaults = '' ) {
*
* @since 3.0.0
*
- * @param array|string $list
- * @return array Sanitized array of IDs
+ * @param array|string $list List of ids.
+ * @return array Sanitized array of IDs.
*/
function wp_parse_id_list( $list ) {
if ( !is_array($list) )
*
* @since 3.1.0
*
- * @param array $array The original array
- * @param array $keys The list of keys
- * @return array The array slice
+ * @param array $array The original array.
+ * @param array $keys The list of keys.
+ * @return array The array slice.
*/
function wp_array_slice_assoc( $array, $keys ) {
$slice = array();
*
* @since 3.0.0
*
- * @param array $list An array of objects to filter
- * @param array $args An array of key => value arguments to match against each object
- * @param string $operator The logical operation to perform. 'or' means only one element
- * from the array needs to match; 'and' means all elements must match. The default is 'and'.
- * @param bool|string $field A field from the object to place instead of the entire object
- * @return array A list of objects or object fields
+ * @param array $list An array of objects to filter
+ * @param array $args Optional. An array of key => value arguments to match
+ * against each object. Default empty array.
+ * @param string $operator Optional. The logical operation to perform. 'or' means
+ * only one element from the array needs to match; 'and'
+ * means all elements must match. Default 'and'.
+ * @param bool|string $field A field from the object to place instead of the entire object.
+ * Default false.
+ * @return array A list of objects or object fields.
*/
function wp_filter_object_list( $list, $args = array(), $operator = 'and', $field = false ) {
if ( ! is_array( $list ) )
*
* @since 3.1.0
*
- * @param array $list An array of objects to filter
- * @param array $args An array of key => value arguments to match against each object
- * @param string $operator The logical operation to perform:
- * 'AND' means all elements from the array must match;
- * 'OR' means only one element needs to match;
- * 'NOT' means no elements may match.
- * The default is 'AND'.
- * @return array
+ * @param array $list An array of objects to filter.
+ * @param array $args Optional. An array of key => value arguments to match
+ * against each object. Default empty array.
+ * @param string $operator Optional. The logical operation to perform. 'AND' means
+ * all elements from the array must match. 'OR' means only
+ * one element needs to match. 'NOT' means no elements may
+ * match. Default 'AND'.
+ * @return array Array of found values.
*/
function wp_list_filter( $list, $args = array(), $operator = 'AND' ) {
if ( ! is_array( $list ) )
$matched = 0;
foreach ( $args as $m_key => $m_value ) {
- if ( $m_value == $to_match[ $m_key ] )
+ if ( array_key_exists( $m_key, $to_match ) && $m_value == $to_match[ $m_key ] )
$matched++;
}
/**
* Pluck a certain field out of each object in a list.
*
- * @since 3.1.0
+ * This has the same functionality and prototype of
+ * array_column() (PHP 5.5) but also supports objects.
*
- * @param array $list A list of objects or arrays
- * @param int|string $field A field from the object to place instead of the entire object
- * @return array
+ * @since 3.1.0
+ * @since 4.0.0 $index_key parameter added.
+ *
+ * @param array $list List of objects or arrays
+ * @param int|string $field Field from the object to place instead of the entire object
+ * @param int|string $index_key Optional. Field from the object to use as keys for the new array.
+ * Default null.
+ * @return array Array of found values. If `$index_key` is set, an array of found values with keys
+ * corresponding to `$index_key`. If `$index_key` is null, array keys from the original
+ * `$list` will be preserved in the results.
*/
-function wp_list_pluck( $list, $field ) {
- foreach ( $list as $key => $value ) {
- if ( is_object( $value ) )
- $list[ $key ] = $value->$field;
- else
- $list[ $key ] = $value[ $field ];
+function wp_list_pluck( $list, $field, $index_key = null ) {
+ if ( ! $index_key ) {
+ /*
+ * This is simple. Could at some point wrap array_column()
+ * if we knew we had an array of arrays.
+ */
+ foreach ( $list as $key => $value ) {
+ if ( is_object( $value ) ) {
+ $list[ $key ] = $value->$field;
+ } else {
+ $list[ $key ] = $value[ $field ];
+ }
+ }
+ return $list;
}
- return $list;
+ /*
+ * When index_key is not set for a particular item, push the value
+ * to the end of the stack. This is how array_column() behaves.
+ */
+ $newlist = array();
+ foreach ( $list as $value ) {
+ if ( is_object( $value ) ) {
+ if ( isset( $value->$index_key ) ) {
+ $newlist[ $value->$index_key ] = $value->$field;
+ } else {
+ $newlist[] = $value->$field;
+ }
+ } else {
+ if ( isset( $value[ $index_key ] ) ) {
+ $newlist[ $value[ $index_key ] ] = $value[ $field ];
+ } else {
+ $newlist[] = $value[ $field ];
+ }
+ }
+ }
+
+ return $newlist;
}
/**
* Determines if Widgets library should be loaded.
*
- * Checks to make sure that the widgets library hasn't already been loaded. If
- * it hasn't, then it will load the widgets library and run an action hook.
+ * Checks to make sure that the widgets library hasn't already been loaded.
+ * If it hasn't, then it will load the widgets library and run an action hook.
*
* @since 2.2.0
- * @uses add_action() Calls '_admin_menu' hook with 'wp_widgets_add_menu' value.
*/
function wp_maybe_load_widgets() {
- if ( ! apply_filters('load_default_widgets', true) )
+ /**
+ * Filter whether to load the Widgets library.
+ *
+ * Passing a falsey value to the filter will effectively short-circuit
+ * the Widgets library from loading.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $wp_maybe_load_widgets Whether to load the Widgets library.
+ * Default true.
+ */
+ if ( ! apply_filters( 'load_default_widgets', true ) ) {
return;
+ }
+
require_once( ABSPATH . WPINC . '/default-widgets.php' );
+
add_action( '_admin_menu', 'wp_widgets_add_menu' );
}
* Append the Widgets menu to the themes main menu.
*
* @since 2.2.0
- * @uses $submenu The administration submenu list.
*/
function wp_widgets_add_menu() {
global $submenu;
+
+ if ( ! current_theme_supports( 'widgets' ) )
+ return;
+
$submenu['themes.php'][7] = array( __( 'Widgets' ), 'edit_theme_options', 'widgets.php' );
ksort( $submenu['themes.php'], SORT_NUMERIC );
}
/**
* Flush all output buffers for PHP 5.2.
*
- * Make sure all output buffers are flushed before our singletons our destroyed.
+ * Make sure all output buffers are flushed before our singletons are destroyed.
*
* @since 2.2.0
*/
* search engines from caching the message. Custom DB messages should do the
* same.
*
- * This function was backported to the the WordPress 2.3.2, but originally was
- * added in WordPress 2.5.0.
+ * This function was backported to WordPress 2.3.2, but originally was added
+ * in WordPress 2.5.0.
*
* @since 2.3.2
- * @uses $wpdb
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
*/
function dead_db() {
global $wpdb;
+ wp_load_translations_early();
+
// Load custom DB error template, if present.
if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) {
require_once( WP_CONTENT_DIR . '/db-error.php' );
status_header( 500 );
nocache_headers();
header( 'Content-Type: text/html; charset=utf-8' );
-
- wp_load_translations_early();
?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
}
/**
- * Converts value to nonnegative integer.
+ * Convert a value to non-negative integer.
*
* @since 2.5.0
*
- * @param mixed $maybeint Data you wish to have converted to a nonnegative integer
- * @return int An nonnegative integer
+ * @param mixed $maybeint Data you wish to have converted to a non-negative integer.
+ * @return int A non-negative integer.
*/
function absint( $maybeint ) {
return abs( intval( $maybeint ) );
}
/**
- * Determines if the blog can be accessed over SSL.
- *
- * Determines if blog can be accessed over SSL by using cURL to access the site
- * using the https in the siteurl. Requires cURL extension to work correctly.
- *
- * @since 2.5.0
- *
- * @param string $url
- * @return bool Whether SSL access is available
- */
-function url_is_accessable_via_ssl($url)
-{
- if (in_array('curl', get_loaded_extensions())) {
- $ssl = preg_replace( '/^http:\/\//', 'https://', $url );
-
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $ssl);
- curl_setopt($ch, CURLOPT_FAILONERROR, true);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
- curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
-
- curl_exec($ch);
-
- $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
- curl_close ($ch);
-
- if ($status == 200 || $status == 401) {
- return true;
- }
- }
- return false;
-}
-
-/**
- * Marks a function as deprecated and informs when it has been used.
+ * Mark a function as deprecated and inform when it has been used.
*
* There is a hook deprecated_function_run that will be called that can be used
* to get the backtrace up to what file and function called the deprecated
*
* This function is to be used in every function that is deprecated.
*
- * @package WordPress
- * @subpackage Debug
* @since 2.5.0
* @access private
*
- * @uses do_action() Calls 'deprecated_function_run' and passes the function name, what to use instead,
- * and the version the function was deprecated in.
- * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do
- * trigger or false to not trigger error.
- *
- * @param string $function The function that was called
- * @param string $version The version of WordPress that deprecated the function
- * @param string $replacement Optional. The function that should have been called
+ * @param string $function The function that was called.
+ * @param string $version The version of WordPress that deprecated the function.
+ * @param string $replacement Optional. The function that should have been called. Default null.
*/
function _deprecated_function( $function, $version, $replacement = null ) {
+ /**
+ * Fires when a deprecated function is called.
+ *
+ * @since 2.5.0
+ *
+ * @param string $function The function that was called.
+ * @param string $replacement The function that should have been called.
+ * @param string $version The version of WordPress that deprecated the function.
+ */
do_action( 'deprecated_function_run', $function, $replacement, $version );
- // Allow plugin to filter the output error trigger
+ /**
+ * Filter whether to trigger an error for deprecated functions.
+ *
+ * @since 2.5.0
+ *
+ * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
+ */
if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) {
- if ( ! is_null($replacement) )
- trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) );
- else
- trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+ if ( function_exists( '__' ) ) {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) );
+ else
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+ } else {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $function, $version, $replacement ) );
+ else
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.', $function, $version ) );
+ }
}
}
/**
- * Marks a file as deprecated and informs when it has been used.
+ * Mark a file as deprecated and inform when it has been used.
*
* There is a hook deprecated_file_included that will be called that can be used
* to get the backtrace up to what file and function included the deprecated
*
* This function is to be used in every file that is deprecated.
*
- * @package WordPress
- * @subpackage Debug
* @since 2.5.0
* @access private
*
- * @uses do_action() Calls 'deprecated_file_included' and passes the file name, what to use instead,
- * the version in which the file was deprecated, and any message regarding the change.
- * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do
- * trigger or false to not trigger error.
- *
- * @param string $file The file that was included
- * @param string $version The version of WordPress that deprecated the file
- * @param string $replacement Optional. The file that should have been included based on ABSPATH
- * @param string $message Optional. A message regarding the change
+ * @param string $file The file that was included.
+ * @param string $version The version of WordPress that deprecated the file.
+ * @param string $replacement Optional. The file that should have been included based on ABSPATH.
+ * Default null.
+ * @param string $message Optional. A message regarding the change. Default empty.
*/
function _deprecated_file( $file, $version, $replacement = null, $message = '' ) {
+ /**
+ * Fires when a deprecated file is called.
+ *
+ * @since 2.5.0
+ *
+ * @param string $file The file that was called.
+ * @param string $replacement The file that should have been included based on ABSPATH.
+ * @param string $version The version of WordPress that deprecated the file.
+ * @param string $message A message regarding the change.
+ */
do_action( 'deprecated_file_included', $file, $replacement, $version, $message );
- // Allow plugin to filter the output error trigger
+ /**
+ * Filter whether to trigger an error for deprecated files.
+ *
+ * @since 2.5.0
+ *
+ * @param bool $trigger Whether to trigger the error for deprecated files. Default true.
+ */
if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) {
$message = empty( $message ) ? '' : ' ' . $message;
- if ( ! is_null( $replacement ) )
- trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message );
- else
- trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) . $message );
+ if ( function_exists( '__' ) ) {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message );
+ else
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) . $message );
+ } else {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $file, $version, $replacement ) . $message );
+ else
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.', $file, $version ) . $message );
+ }
}
}
/**
- * Marks a function argument as deprecated and informs when it has been used.
+ * Mark a function argument as deprecated and inform when it has been used.
*
* This function is to be used whenever a deprecated function argument is used.
* Before this function is called, the argument must be checked for whether it was
* used by comparing it to its default value or evaluating whether it is empty.
* For example:
- * <code>
- * if ( !empty($deprecated) )
- * _deprecated_argument( __FUNCTION__, '3.0' );
- * </code>
+ *
+ * if ( ! empty( $deprecated ) ) {
+ * _deprecated_argument( __FUNCTION__, '3.0' );
+ * }
+ *
*
* There is a hook deprecated_argument_run that will be called that can be used
* to get the backtrace up to what file and function used the deprecated
*
* The current behavior is to trigger a user error if WP_DEBUG is true.
*
- * @package WordPress
- * @subpackage Debug
* @since 3.0.0
* @access private
*
- * @uses do_action() Calls 'deprecated_argument_run' and passes the function name, a message on the change,
- * and the version in which the argument was deprecated.
- * @uses apply_filters() Calls 'deprecated_argument_trigger_error' and expects boolean value of true to do
- * trigger or false to not trigger error.
- *
- * @param string $function The function that was called
- * @param string $version The version of WordPress that deprecated the argument used
- * @param string $message Optional. A message regarding the change.
+ * @param string $function The function that was called.
+ * @param string $version The version of WordPress that deprecated the argument used.
+ * @param string $message Optional. A message regarding the change. Default null.
*/
function _deprecated_argument( $function, $version, $message = null ) {
+ /**
+ * Fires when a deprecated argument is called.
+ *
+ * @since 3.0.0
+ *
+ * @param string $function The function that was called.
+ * @param string $message A message regarding the change.
+ * @param string $version The version of WordPress that deprecated the argument used.
+ */
do_action( 'deprecated_argument_run', $function, $message, $version );
- // Allow plugin to filter the output error trigger
+ /**
+ * Filter whether to trigger an error for deprecated arguments.
+ *
+ * @since 3.0.0
+ *
+ * @param bool $trigger Whether to trigger the error for deprecated arguments. Default true.
+ */
if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) {
- if ( ! is_null( $message ) )
- trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) );
- else
- trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+ if ( function_exists( '__' ) ) {
+ if ( ! is_null( $message ) )
+ trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) );
+ else
+ trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+ } else {
+ if ( ! is_null( $message ) )
+ trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s', $function, $version, $message ) );
+ else
+ trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.', $function, $version ) );
+ }
}
}
/**
- * Marks something as being incorrectly called.
+ * Mark something as being incorrectly called.
*
* There is a hook doing_it_wrong_run that will be called that can be used
* to get the backtrace up to what file and function called the deprecated
*
* The current behavior is to trigger a user error if WP_DEBUG is true.
*
- * @package WordPress
- * @subpackage Debug
* @since 3.1.0
* @access private
*
- * @uses do_action() Calls 'doing_it_wrong_run' and passes the function arguments.
- * @uses apply_filters() Calls 'doing_it_wrong_trigger_error' and expects boolean value of true to do
- * trigger or false to not trigger error.
- *
* @param string $function The function that was called.
- * @param string $message A message explaining what has been done incorrectly.
- * @param string $version The version of WordPress where the message was added.
+ * @param string $message A message explaining what has been done incorrectly.
+ * @param string $version The version of WordPress where the message was added.
*/
function _doing_it_wrong( $function, $message, $version ) {
+ /**
+ * Fires when the given function is being used incorrectly.
+ *
+ * @since 3.1.0
+ *
+ * @param string $function The function that was called.
+ * @param string $message A message explaining what has been done incorrectly.
+ * @param string $version The version of WordPress where the message was added.
+ */
do_action( 'doing_it_wrong_run', $function, $message, $version );
- // Allow plugin to filter the output error trigger
+ /**
+ * Filter whether to trigger an error for _doing_it_wrong() calls.
+ *
+ * @since 3.1.0
+ *
+ * @param bool $trigger Whether to trigger the error for _doing_it_wrong() calls. Default true.
+ */
if ( WP_DEBUG && apply_filters( 'doing_it_wrong_trigger_error', true ) ) {
- $version = is_null( $version ) ? '' : sprintf( __( '(This message was added in version %s.)' ), $version );
- $message .= ' ' . __( 'Please see <a href="http://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a> for more information.' );
- trigger_error( sprintf( __( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s' ), $function, $message, $version ) );
+ if ( function_exists( '__' ) ) {
+ $version = is_null( $version ) ? '' : sprintf( __( '(This message was added in version %s.)' ), $version );
+ $message .= ' ' . __( 'Please see <a href="https://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a> for more information.' );
+ trigger_error( sprintf( __( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s' ), $function, $message, $version ) );
+ } else {
+ $version = is_null( $version ) ? '' : sprintf( '(This message was added in version %s.)', $version );
+ $message .= ' Please see <a href="https://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a> for more information.';
+ trigger_error( sprintf( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s', $function, $message, $version ) );
+ }
}
}
*
* @since 2.5.0
*
- * @return bool Whether the server is running lighttpd < 1.5.0
+ * @return bool Whether the server is running lighttpd < 1.5.0.
*/
function is_lighttpd_before_150() {
$server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' );
*
* @since 2.5.0
*
- * @param string $mod e.g. mod_rewrite
- * @param bool $default The default return value if the module is not found
- * @return bool
+ * @param string $mod The module, e.g. mod_rewrite.
+ * @param bool $default Optional. The default return value if the module is not found. Default false.
+ * @return bool Whether the specified module is loaded.
*/
function apache_mod_loaded($mod, $default = false) {
global $is_apache;
if ( !$is_apache )
return false;
- if ( function_exists('apache_get_modules') ) {
+ if ( function_exists( 'apache_get_modules' ) ) {
$mods = apache_get_modules();
if ( in_array($mod, $mods) )
return true;
- } elseif ( function_exists('phpinfo') ) {
+ } elseif ( function_exists( 'phpinfo' ) && false === strpos( ini_get( 'disable_functions' ), 'phpinfo' ) ) {
ob_start();
phpinfo(8);
$phpinfo = ob_get_clean();
}
/**
- * Check if IIS 7 supports pretty permalinks.
+ * Check if IIS 7+ supports pretty permalinks.
*
* @since 2.8.0
*
- * @return bool
+ * @return bool Whether IIS7 supports permalinks.
*/
function iis7_supports_permalinks() {
global $is_iis7;
$supports_permalinks = false;
if ( $is_iis7 ) {
- /* First we check if the DOMDocument class exists. If it does not exist,
- * which is the case for PHP 4.X, then we cannot easily update the xml configuration file,
- * hence we just bail out and tell user that pretty permalinks cannot be used.
- * This is not a big issue because PHP 4.X is going to be deprecated and for IIS it
- * is recommended to use PHP 5.X NTS.
+ /* First we check if the DOMDocument class exists. If it does not exist, then we cannot
+ * easily update the xml configuration file, hence we just bail out and tell user that
+ * pretty permalinks cannot be used.
+ *
* Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When
* URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'.
* Lastly we make sure that PHP is running via FastCGI. This is important because if it runs
* via ISAPI then pretty permalinks will not work.
*/
- $supports_permalinks = class_exists('DOMDocument') && isset($_SERVER['IIS_UrlRewriteModule']) && ( php_sapi_name() == 'cgi-fcgi' );
+ $supports_permalinks = class_exists('DOMDocument') && isset($_SERVER['IIS_UrlRewriteModule']) && ( PHP_SAPI == 'cgi-fcgi' );
}
- return apply_filters('iis7_supports_permalinks', $supports_permalinks);
+ /**
+ * Filter whether IIS 7+ supports pretty permalinks.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $supports_permalinks Whether IIS7 supports permalinks. Default false.
+ */
+ return apply_filters( 'iis7_supports_permalinks', $supports_permalinks );
}
/**
*
* @since 2.6.0
*
- * @param string|bool $force Optional.
+ * @see force_ssl_admin()
+ *
+ * @param string|bool $force Optional Whether to force SSL login. Default null.
* @return bool True if forced, false if not forced.
*/
function force_ssl_login( $force = null ) {
- static $forced = false;
-
- if ( !is_null( $force ) ) {
- $old_forced = $forced;
- $forced = $force;
- return $old_forced;
- }
-
- return $forced;
+ return force_ssl_admin( $force );
}
/**
*
* @since 2.6.0
*
- * @param string|bool $force
+ * @param string|bool $force Optional. Whether to force SSL in admin screens. Default null.
* @return bool True if forced, false if not forced.
*/
function force_ssl_admin( $force = null ) {
*
* @since 2.6.0
*
- * @return string
+ * @return string The guessed URL.
*/
function wp_guess_url() {
if ( defined('WP_SITEURL') && '' != WP_SITEURL ) {
$url = WP_SITEURL;
} else {
- $schema = is_ssl() ? 'https://' : 'http://';
- $url = preg_replace('#/(wp-admin/.*|wp-login.php)#i', '', $schema . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
+ $abspath_fix = str_replace( '\\', '/', ABSPATH );
+ $script_filename_dir = dirname( $_SERVER['SCRIPT_FILENAME'] );
+
+ // The request is for the admin
+ if ( strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) !== false || strpos( $_SERVER['REQUEST_URI'], 'wp-login.php' ) !== false ) {
+ $path = preg_replace( '#/(wp-admin/.*|wp-login.php)#i', '', $_SERVER['REQUEST_URI'] );
+
+ // The request is for a file in ABSPATH
+ } elseif ( $script_filename_dir . '/' == $abspath_fix ) {
+ // Strip off any file/query params in the path
+ $path = preg_replace( '#/[^/]*$#i', '', $_SERVER['PHP_SELF'] );
+
+ } else {
+ if ( false !== strpos( $_SERVER['SCRIPT_FILENAME'], $abspath_fix ) ) {
+ // Request is hitting a file inside ABSPATH
+ $directory = str_replace( ABSPATH, '', $script_filename_dir );
+ // Strip off the sub directory, and any file/query paramss
+ $path = preg_replace( '#/' . preg_quote( $directory, '#' ) . '/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] );
+ } elseif ( false !== strpos( $abspath_fix, $script_filename_dir ) ) {
+ // Request is hitting a file above ABSPATH
+ $subdirectory = substr( $abspath_fix, strpos( $abspath_fix, $script_filename_dir ) + strlen( $script_filename_dir ) );
+ // Strip off any file/query params from the path, appending the sub directory to the install
+ $path = preg_replace( '#/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] ) . $subdirectory;
+ } else {
+ $path = $_SERVER['REQUEST_URI'];
+ }
+ }
+
+ $schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet
+ $url = $schema . $_SERVER['HTTP_HOST'] . $path;
}
+
return rtrim($url, '/');
}
/**
* Suspend cache invalidation.
*
- * Turns cache invalidation on and off. Useful during imports where you don't wont to do invalidations
- * every time a post is inserted. Callers must be sure that what they are doing won't lead to an inconsistent
- * cache when invalidation is suspended.
+ * Turns cache invalidation on and off. Useful during imports where you don't wont to do
+ * invalidations every time a post is inserted. Callers must be sure that what they are
+ * doing won't lead to an inconsistent cache when invalidation is suspended.
*
* @since 2.7.0
*
- * @param bool $suspend Whether to suspend or enable cache invalidation
- * @return bool The current suspend setting
+ * @param bool $suspend Optional. Whether to suspend or enable cache invalidation. Default true.
+ * @return bool The current suspend setting.
*/
-function wp_suspend_cache_invalidation($suspend = true) {
+function wp_suspend_cache_invalidation( $suspend = true ) {
global $_wp_suspend_cache_invalidation;
$current_suspend = $_wp_suspend_cache_invalidation;
}
/**
- * Is main site?
- *
+ * Determine whether a site is the main site of the current network.
*
* @since 3.0.0
- * @package WordPress
*
- * @param int $blog_id optional blog id to test (default current blog)
- * @return bool True if not multisite or $blog_id is main site
+ * @param int $site_id Optional. Site ID to test. Defaults to current site.
+ * Defaults to current site.
+ * @return bool True if $site_id is the main site of the network, or if not
+ * running Multisite.
*/
-function is_main_site( $blog_id = '' ) {
- global $current_site, $current_blog;
+function is_main_site( $site_id = null ) {
+ // This is the current network's information; 'site' is old terminology.
+ global $current_site;
- if ( !is_multisite() )
+ if ( ! is_multisite() )
return true;
- if ( !$blog_id )
- $blog_id = $current_blog->blog_id;
+ if ( ! $site_id )
+ $site_id = get_current_blog_id();
- return $blog_id == $current_site->blog_id;
+ return (int) $site_id === (int) $current_site->blog_id;
}
/**
- * Whether global terms are enabled.
+ * Determine whether a network is the main network of the Multisite install.
*
+ * @since 3.7.0
+ *
+ * @param int $network_id Optional. Network ID to test. Defaults to current network.
+ * @return bool True if $network_id is the main network, or if not running Multisite.
+ */
+function is_main_network( $network_id = null ) {
+ global $wpdb;
+
+ if ( ! is_multisite() )
+ return true;
+
+ $current_network_id = (int) get_current_site()->id;
+
+ if ( ! $network_id )
+ $network_id = $current_network_id;
+ $network_id = (int) $network_id;
+
+ if ( defined( 'PRIMARY_NETWORK_ID' ) )
+ return $network_id === (int) PRIMARY_NETWORK_ID;
+
+ if ( 1 === $current_network_id )
+ return $network_id === $current_network_id;
+
+ $primary_network_id = (int) wp_cache_get( 'primary_network_id', 'site-options' );
+
+ if ( $primary_network_id )
+ return $network_id === $primary_network_id;
+
+ $primary_network_id = (int) $wpdb->get_var( "SELECT id FROM $wpdb->site ORDER BY id LIMIT 1" );
+ wp_cache_add( 'primary_network_id', $primary_network_id, 'site-options' );
+
+ return $network_id === $primary_network_id;
+}
+
+/**
+ * Determine whether global terms are enabled.
*
* @since 3.0.0
- * @package WordPress
*
- * @return bool True if multisite and global terms enabled
+ * @return bool True if multisite and global terms enabled.
*/
function global_terms_enabled() {
if ( ! is_multisite() )
static $global_terms = null;
if ( is_null( $global_terms ) ) {
+
+ /**
+ * Filter whether global terms are enabled.
+ *
+ * Passing a non-null value to the filter will effectively short-circuit the function,
+ * returning the value of the 'global_terms_enabled' site option instead.
+ *
+ * @since 3.0.0
+ *
+ * @param null $anbled Whether global terms are enabled.
+ */
$filter = apply_filters( 'global_terms_enabled', null );
if ( ! is_null( $filter ) )
$global_terms = (bool) $filter;
*
* @since 2.8.0
*
- * @return float|bool
+ * @return float|bool Timezone GMT offset, false otherwise.
*/
function wp_timezone_override_offset() {
if ( !$timezone_string = get_option( 'timezone_string' ) ) {
if ( false === $timezone_object || false === $datetime_object ) {
return false;
}
- return round( timezone_offset_get( $timezone_object, $datetime_object ) / 3600, 2 );
+ return round( timezone_offset_get( $timezone_object, $datetime_object ) / HOUR_IN_SECONDS, 2 );
}
/**
- * {@internal Missing Short Description}}
+ * Sort-helper for timezones.
*
* @since 2.9.0
+ * @access private
*
- * @param unknown_type $a
- * @param unknown_type $b
+ * @param array $a
+ * @param array $b
* @return int
*/
function _wp_timezone_choice_usort_callback( $a, $b ) {
}
/**
- * Gives a nicely formatted list of timezone strings. // temporary! Not in final
+ * Gives a nicely-formatted list of timezone strings.
*
* @since 2.9.0
*
- * @param string $selected_zone Selected Zone
+ * @param string $selected_zone Selected timezone.
* @return string
*/
function wp_timezone_choice( $selected_zone ) {
/**
* Strip close comment and close php tags from file headers used by WP.
- * See http://core.trac.wordpress.org/ticket/8497
*
* @since 2.8.0
+ * @access private
+ *
+ * @see https://core.trac.wordpress.org/ticket/8497
*
- * @param string $str
+ * @param string $str Header comment to clean up.
* @return string
*/
-function _cleanup_header_comment($str) {
+function _cleanup_header_comment( $str ) {
return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str));
}
/**
- * Permanently deletes posts, pages, attachments, and comments which have been in the trash for EMPTY_TRASH_DAYS.
+ * Permanently delete comments or posts of any type that have held a status
+ * of 'trash' for the number of days defined in EMPTY_TRASH_DAYS.
+ *
+ * The default value of `EMPTY_TRASH_DAYS` is 30 (days).
*
* @since 2.9.0
*/
function wp_scheduled_delete() {
global $wpdb;
- $delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);
+ $delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
$posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);
* If the file data is not within that first 8kiB, then the author should correct
* their plugin file and move the data headers to the top.
*
- * @see http://codex.wordpress.org/File_Header
+ * @link https://codex.wordpress.org/File_Header
*
* @since 2.9.0
- * @param string $file Path to the file
- * @param array $default_headers List of headers, in the format array('HeaderKey' => 'Header Name')
- * @param string $context If specified adds filter hook "extra_{$context}_headers"
+ *
+ * @param string $file Path to the file.
+ * @param array $default_headers List of headers, in the format array('HeaderKey' => 'Header Name').
+ * @param string $context Optional. If specified adds filter hook "extra_{$context}_headers".
+ * Default empty.
+ * @return array Array of file headers in `HeaderKey => Header Value` format.
*/
function get_file_data( $file, $default_headers, $context = '' ) {
// We don't need to write to the file, so just open for reading.
// Make sure we catch CR-only line endings.
$file_data = str_replace( "\r", "\n", $file_data );
+ /**
+ * Filter extra file headers by context.
+ *
+ * The dynamic portion of the hook name, `$context`, refers to
+ * the context where extra headers might be loaded.
+ *
+ * @since 2.9.0
+ *
+ * @param array $extra_context_headers Empty array by default.
+ */
if ( $context && $extra_headers = apply_filters( "extra_{$context}_headers", array() ) ) {
$extra_headers = array_combine( $extra_headers, $extra_headers ); // keys equal values
$all_headers = array_merge( $extra_headers, (array) $default_headers );
return $all_headers;
}
-/**
- * Used internally to tidy up the search terms.
- *
- * @access private
- * @since 2.9.0
- *
- * @param string $t
- * @return string
- */
-function _search_terms_tidy($t) {
- return trim($t, "\"'\n\r ");
-}
-
/**
* Returns true.
*
* Useful for returning true to filters easily.
*
* @since 3.0.0
+ *
* @see __return_false()
- * @return bool true
+ *
+ * @return bool True.
*/
function __return_true() {
return true;
* Useful for returning false to filters easily.
*
* @since 3.0.0
+ *
* @see __return_true()
- * @return bool false
+ *
+ * @return bool False.
*/
function __return_false() {
return false;
* Useful for returning 0 to filters easily.
*
* @since 3.0.0
- * @see __return_zero()
- * @return int 0
+ *
+ * @return int 0.
*/
function __return_zero() {
return 0;
* Useful for returning an empty array to filters easily.
*
* @since 3.0.0
- * @see __return_zero()
- * @return array Empty array
+ *
+ * @return array Empty array.
*/
function __return_empty_array() {
return array();
* Useful for returning null to filters easily.
*
* @since 3.4.0
- * @return null
+ *
+ * @return null Null value.
*/
function __return_null() {
return null;
}
/**
- * Send a HTTP header to disable content type sniffing in browsers which support it.
+ * Returns an empty string.
+ *
+ * Useful for returning an empty string to filters easily.
*
- * @link http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
- * @link http://src.chromium.org/viewvc/chrome?view=rev&revision=6985
+ * @since 3.7.0
+ *
+ * @see __return_null()
+ *
+ * @return string Empty string.
+ */
+function __return_empty_string() {
+ return '';
+}
+
+/**
+ * Send a HTTP header to disable content type sniffing in browsers which support it.
*
* @since 3.0.0
- * @return none
+ *
+ * @see http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
+ * @see http://src.chromium.org/viewvc/chrome?view=rev&revision=6985
*/
function send_nosniff_header() {
@header( 'X-Content-Type-Options: nosniff' );
}
/**
- * Returns a MySQL expression for selecting the week number based on the start_of_week option.
+ * Return a MySQL expression for selecting the week number based on the start_of_week option.
*
- * @internal
+ * @ignore
* @since 3.0.0
- * @param string $column
- * @return string
+ *
+ * @param string $column Database column.
+ * @return string SQL clause.
*/
function _wp_mysql_week( $column ) {
switch ( $start_of_week = (int) get_option( 'start_of_week' ) ) {
- default :
- case 0 :
- return "WEEK( $column, 0 )";
case 1 :
return "WEEK( $column, 1 )";
case 2 :
case 5 :
case 6 :
return "WEEK( DATE_SUB( $column, INTERVAL $start_of_week DAY ), 0 )";
+ case 0 :
+ default :
+ return "WEEK( $column, 0 )";
}
}
/**
- * Finds hierarchy loops using a callback function that maps object IDs to parent IDs.
+ * Find hierarchy loops using a callback function that maps object IDs to parent IDs.
*
* @since 3.1.0
* @access private
*
- * @param callback $callback function that accepts ( ID, $callback_args ) and outputs parent_ID
- * @param int $start The ID to start the loop check at
- * @param int $start_parent the parent_ID of $start to use instead of calling $callback( $start ). Use null to always use $callback
- * @param array $callback_args optional additional arguments to send to $callback
- * @return array IDs of all members of loop
+ * @param callback $callback Function that accepts ( ID, $callback_args ) and outputs parent_ID.
+ * @param int $start The ID to start the loop check at.
+ * @param int $start_parent The parent_ID of $start to use instead of calling $callback( $start ).
+ * Use null to always use $callback
+ * @param array $callback_args Optional. Additional arguments to send to $callback.
+ * @return array IDs of all members of loop.
*/
function wp_find_hierarchy_loop( $callback, $start, $start_parent, $callback_args = array() ) {
$override = is_null( $start_parent ) ? array() : array( $start => $start_parent );
}
/**
- * Uses the "The Tortoise and the Hare" algorithm to detect loops.
+ * Use the "The Tortoise and the Hare" algorithm to detect loops.
*
* For every step of the algorithm, the hare takes two steps and the tortoise one.
* If the hare ever laps the tortoise, there must be a loop.
* @since 3.1.0
* @access private
*
- * @param callback $callback function that accepts ( ID, callback_arg, ... ) and outputs parent_ID
- * @param int $start The ID to start the loop check at
- * @param array $override an array of ( ID => parent_ID, ... ) to use instead of $callback
- * @param array $callback_args optional additional arguments to send to $callback
- * @param bool $_return_loop Return loop members or just detect presence of loop?
- * Only set to true if you already know the given $start is part of a loop
- * (otherwise the returned array might include branches)
- * @return mixed scalar ID of some arbitrary member of the loop, or array of IDs of all members of loop if $_return_loop
+ * @param callback $callback Function that accepts ( ID, callback_arg, ... ) and outputs parent_ID.
+ * @param int $start The ID to start the loop check at.
+ * @param array $override Optional. An array of ( ID => parent_ID, ... ) to use instead of $callback.
+ * Default empty array.
+ * @param array $callback_args Optional. Additional arguments to send to $callback. Default empty array.
+ * @param bool $_return_loop Optional. Return loop members or just detect presence of loop? Only set
+ * to true if you already know the given $start is part of a loop (otherwise
+ * the returned array might include branches). Default false.
+ * @return mixed Scalar ID of some arbitrary member of the loop, or array of IDs of all members of loop if
+ * $_return_loop
*/
function wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override = array(), $callback_args = array(), $_return_loop = false ) {
$tortoise = $hare = $evanescent_hare = $start;
/**
* Send a HTTP header to limit rendering of pages to same origin iframes.
*
- * @link https://developer.mozilla.org/en/the_x-frame-options_response_header
- *
* @since 3.1.3
- * @return none
+ *
+ * @see https://developer.mozilla.org/en/the_x-frame-options_response_header
*/
function send_frame_options_header() {
@header( 'X-Frame-Options: SAMEORIGIN' );
* Retrieve a list of protocols to allow in HTML attributes.
*
* @since 3.3.0
+ *
* @see wp_kses()
* @see esc_url()
*
- * @return array Array of allowed protocols
+ * @return array Array of allowed protocols.
*/
function wp_allowed_protocols() {
static $protocols;
if ( empty( $protocols ) ) {
- $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn' );
+ $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp' );
+
+ /**
+ * Filter the list of protocols allowed in HTML attributes.
+ *
+ * @since 3.0.0
+ *
+ * @param array $protocols Array of allowed protocols e.g. 'http', 'ftp', 'tel', and more.
+ */
$protocols = apply_filters( 'kses_allowed_protocols', $protocols );
}
}
/**
- * Return a comma separated string of functions that have been called to get to the current point in code.
+ * Return a comma-separated string of functions that have been called to get
+ * to the current point in code.
+ *
+ * @since 3.4.0
*
- * @link http://core.trac.wordpress.org/ticket/19589
- * @since 3.4
+ * @see https://core.trac.wordpress.org/ticket/19589
*
- * @param string $ignore_class A class to ignore all function calls within - useful when you want to just give info about the callee
- * @param int $skip_frames A number of stack frames to skip - useful for unwinding back to the source of the issue
- * @param bool $pretty Whether or not you want a comma separated string or raw array returned
- * @return string|array Either a string containing a reversed comma separated trace or an array of individual calls.
+ * @param string $ignore_class Optional. A class to ignore all function calls within - useful
+ * when you want to just give info about the callee. Default null.
+ * @param int $skip_frames Optional. A number of stack frames to skip - useful for unwinding
+ * back to the source of the issue. Default 0.
+ * @param bool $pretty Optional. Whether or not you want a comma separated string or raw
+ * array returned. Default true.
+ * @return string|array Either a string containing a reversed comma separated trace or an array
+ * of individual calls.
*/
function wp_debug_backtrace_summary( $ignore_class = null, $skip_frames = 0, $pretty = true ) {
if ( version_compare( PHP_VERSION, '5.2.5', '>=' ) )
}
/**
- * Retrieve ids that are not already present in the cache
+ * Retrieve ids that are not already present in the cache.
*
* @since 3.4.0
+ * @access private
*
- * @param array $object_ids ID list
- * @param string $cache_key The cache bucket to check against
+ * @param array $object_ids ID list.
+ * @param string $cache_key The cache bucket to check against.
*
- * @return array
+ * @return array List of ids not present in the cache.
*/
function _get_non_cached_ids( $object_ids, $cache_key ) {
$clean = array();
* @since 3.4.0
* @access private
*
- * @return bool true|false
+ * @return bool true|false Whether the device is able to upload files.
*/
function _device_can_upload() {
if ( ! wp_is_mobile() )
|| strpos($ua, 'iPad') !== false
|| strpos($ua, 'iPod') !== false ) {
return preg_match( '#OS ([\d_]+) like Mac OS X#', $ua, $version ) && version_compare( $version[1], '6', '>=' );
- } else {
- return true;
}
+
+ return true;
+}
+
+/**
+ * Test if a given path is a stream URL
+ *
+ * @param string $path The resource path or URL.
+ * @return bool True if the path is a stream URL.
+ */
+function wp_is_stream( $path ) {
+ $wrappers = stream_get_wrappers();
+ $wrappers_re = '(' . join('|', $wrappers) . ')';
+
+ return preg_match( "!^$wrappers_re://!", $path ) === 1;
}
+/**
+ * Test if the supplied date is valid for the Gregorian calendar.
+ *
+ * @since 3.5.0
+ *
+ * @see checkdate()
+ *
+ * @param int $month Month number.
+ * @param int $day Day number.
+ * @param int $year Year number.
+ * @param string $source_date The date to filter.
+ * @return bool True if valid date, false if not valid date.
+ */
+function wp_checkdate( $month, $day, $year, $source_date ) {
+ /**
+ * Filter whether the given date is valid for the Gregorian calendar.
+ *
+ * @since 3.5.0
+ *
+ * @param bool $checkdate Whether the given date is valid.
+ * @param string $source_date Date to check.
+ */
+ return apply_filters( 'wp_checkdate', checkdate( $month, $day, $year ), $source_date );
+}
+
+/**
+ * Load the auth check for monitoring whether the user is still logged in.
+ *
+ * Can be disabled with remove_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
+ *
+ * This is disabled for certain screens where a login screen could cause an
+ * inconvenient interruption. A filter called wp_auth_check_load can be used
+ * for fine-grained control.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_load() {
+ if ( ! is_admin() && ! is_user_logged_in() )
+ return;
+
+ if ( defined( 'IFRAME_REQUEST' ) )
+ return;
+
+ $screen = get_current_screen();
+ $hidden = array( 'update', 'update-network', 'update-core', 'update-core-network', 'upgrade', 'upgrade-network', 'network' );
+ $show = ! in_array( $screen->id, $hidden );
+
+ /**
+ * Filter whether to load the authentication check.
+ *
+ * Passing a falsey value to the filter will effectively short-circuit
+ * loading the authentication check.
+ *
+ * @since 3.6.0
+ *
+ * @param bool $show Whether to load the authentication check.
+ * @param WP_Screen $screen The current screen object.
+ */
+ if ( apply_filters( 'wp_auth_check_load', $show, $screen ) ) {
+ wp_enqueue_style( 'wp-auth-check' );
+ wp_enqueue_script( 'wp-auth-check' );
+
+ add_action( 'admin_print_footer_scripts', 'wp_auth_check_html', 5 );
+ add_action( 'wp_print_footer_scripts', 'wp_auth_check_html', 5 );
+ }
+}
+
+/**
+ * Output the HTML that shows the wp-login dialog when the user is no longer logged in.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_html() {
+ $login_url = wp_login_url();
+ $current_domain = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'];
+ $same_domain = ( strpos( $login_url, $current_domain ) === 0 );
+
+ /**
+ * Filter whether the authentication check originated at the same domain.
+ *
+ * @since 3.6.0
+ *
+ * @param bool $same_domain Whether the authentication check originated at the same domain.
+ */
+ $same_domain = apply_filters( 'wp_auth_check_same_domain', $same_domain );
+ $wrap_class = $same_domain ? 'hidden' : 'hidden fallback';
+
+ ?>
+ <div id="wp-auth-check-wrap" class="<?php echo $wrap_class; ?>">
+ <div id="wp-auth-check-bg"></div>
+ <div id="wp-auth-check">
+ <div class="wp-auth-check-close" tabindex="0" title="<?php esc_attr_e('Close'); ?>"></div>
+ <?php
+
+ if ( $same_domain ) {
+ ?>
+ <div id="wp-auth-check-form" data-src="<?php echo esc_url( add_query_arg( array( 'interim-login' => 1 ), $login_url ) ); ?>"></div>
+ <?php
+ }
+
+ ?>
+ <div class="wp-auth-fallback">
+ <p><b class="wp-auth-fallback-expired" tabindex="0"><?php _e('Session expired'); ?></b></p>
+ <p><a href="<?php echo esc_url( $login_url ); ?>" target="_blank"><?php _e('Please log in again.'); ?></a>
+ <?php _e('The login page will open in a new window. After logging in you can close it and return to this page.'); ?></p>
+ </div>
+ </div>
+ </div>
+ <?php
+}
+
+/**
+ * Check whether a user is still logged in, for the heartbeat.
+ *
+ * Send a result that shows a log-in box if the user is no longer logged in,
+ * or if their cookie is within the grace period.
+ *
+ * @since 3.6.0
+ *
+ * @param array|object $response The Heartbeat response object or array.
+ * @return array|object $response The Heartbeat response object or array with 'wp-auth-check'
+ * value set.
+ */
+function wp_auth_check( $response ) {
+ $response['wp-auth-check'] = is_user_logged_in() && empty( $GLOBALS['login_grace_period'] );
+ return $response;
+}
+
+/**
+ * Return RegEx body to liberally match an opening HTML tag.
+ *
+ * Matches an opening HTML tag that:
+ * 1. Is self-closing or
+ * 2. Has no body but has a closing tag of the same name or
+ * 3. Contains a body and a closing tag of the same name
+ *
+ * Note: this RegEx does not balance inner tags and does not attempt
+ * to produce valid HTML
+ *
+ * @since 3.6.0
+ *
+ * @param string $tag An HTML tag name. Example: 'video'.
+ * @return string Tag RegEx.
+ */
+function get_tag_regex( $tag ) {
+ if ( empty( $tag ) )
+ return;
+ return sprintf( '<%1$s[^<]*(?:>[\s\S]*<\/%1$s>|\s*\/>)', tag_escape( $tag ) );
+}
+
+/**
+ * Retrieve a canonical form of the provided charset appropriate for passing to PHP
+ * functions such as htmlspecialchars() and charset html attributes.
+ *
+ * @since 3.6.0
+ * @access private
+ *
+ * @see https://core.trac.wordpress.org/ticket/23688
+ *
+ * @param string $charset A charset name.
+ * @return string The canonical form of the charset.
+ */
+function _canonical_charset( $charset ) {
+ if ( 'UTF-8' === $charset || 'utf-8' === $charset || 'utf8' === $charset ||
+ 'UTF8' === $charset )
+ return 'UTF-8';
+
+ if ( 'ISO-8859-1' === $charset || 'iso-8859-1' === $charset ||
+ 'iso8859-1' === $charset || 'ISO8859-1' === $charset )
+ return 'ISO-8859-1';
+
+ return $charset;
+}
+
+/**
+ * Set the mbstring internal encoding to a binary safe encoding when func_overload
+ * is enabled.
+ *
+ * When mbstring.func_overload is in use for multi-byte encodings, the results from
+ * strlen() and similar functions respect the utf8 characters, causing binary data
+ * to return incorrect lengths.
+ *
+ * This function overrides the mbstring encoding to a binary-safe encoding, and
+ * resets it to the users expected encoding afterwards through the
+ * `reset_mbstring_encoding` function.
+ *
+ * It is safe to recursively call this function, however each
+ * `mbstring_binary_safe_encoding()` call must be followed up with an equal number
+ * of `reset_mbstring_encoding()` calls.
+ *
+ * @since 3.7.0
+ *
+ * @see reset_mbstring_encoding()
+ *
+ * @param bool $reset Optional. Whether to reset the encoding back to a previously-set encoding.
+ * Default false.
+ */
+function mbstring_binary_safe_encoding( $reset = false ) {
+ static $encodings = array();
+ static $overloaded = null;
+
+ if ( is_null( $overloaded ) )
+ $overloaded = function_exists( 'mb_internal_encoding' ) && ( ini_get( 'mbstring.func_overload' ) & 2 );
+
+ if ( false === $overloaded )
+ return;
+
+ if ( ! $reset ) {
+ $encoding = mb_internal_encoding();
+ array_push( $encodings, $encoding );
+ mb_internal_encoding( 'ISO-8859-1' );
+ }
+
+ if ( $reset && $encodings ) {
+ $encoding = array_pop( $encodings );
+ mb_internal_encoding( $encoding );
+ }
+}
+
+/**
+ * Reset the mbstring internal encoding to a users previously set encoding.
+ *
+ * @see mbstring_binary_safe_encoding()
+ *
+ * @since 3.7.0
+ */
+function reset_mbstring_encoding() {
+ mbstring_binary_safe_encoding( true );
+}
+
+/**
+ * Filter/validate a variable as a boolean.
+ *
+ * Alternative to `filter_var( $var, FILTER_VALIDATE_BOOLEAN )`.
+ *
+ * @since 4.0.0
+ *
+ * @param mixed $var Boolean value to validate.
+ * @return bool Whether the value is validated.
+ */
+function wp_validate_boolean( $var ) {
+ if ( is_bool( $var ) ) {
+ return $var;
+ }
+
+ if ( is_string( $var ) && 'false' === strtolower( $var ) ) {
+ return false;
+ }
+
+ return (bool) $var;
+}
+
+/**
+ * Delete a file
+ *
+ * @since 4.2.0
+ *
+ * @param string $file The path to the file to delete.
+ */
+function wp_delete_file( $file ) {
+ /**
+ * Filter the path of the file to delete.
+ *
+ * @since 2.1.0
+ *
+ * @param string $medium Path to the file to delete.
+ */
+ $delete = apply_filters( 'wp_delete_file', $file );
+ if ( ! empty( $delete ) ) {
+ @unlink( $delete );
+ }
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff