X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/ff81ee6e8304a1982a3ec4f5b134764a29d502cf..refs/tags/wordpress-4.5:/wp-includes/functions.php diff --git a/wp-includes/functions.php b/wp-includes/functions.php index c6f6ea7a..0e720ee1 100644 --- a/wp-includes/functions.php +++ b/wp-includes/functions.php @@ -1,2290 +1,5282 @@ escape($_COOKIE[USER_COOKIE]); - return $wpdb->get_var("SELECT $field FROM $wpdb->users WHERE user_login = '$user'"); -} +/** + * Retrieve the date in localized format, based on timestamp. + * + * If the locale specifies the locale month and weekday, then the locale will + * take over the format for the date. If it isn't, then the date format string + * will be used instead. + * + * @since 0.71 + * + * @global WP_Locale $wp_locale + * + * @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 ) { + global $wp_locale; + $i = $unixtimestamp; -function mysql2date($dateformatstring, $mysqlstring, $translate = true) { - global $month, $weekday, $month_abbrev, $weekday_abbrev; - $m = $mysqlstring; - if ( empty($m) ) { - return false; + if ( false === $i ) { + if ( ! $gmt ) + $i = current_time( 'timestamp' ); + else + $i = time(); + // we should not let date() interfere with our + // specially computed timestamp + $gmt = true; } - $i = mktime(substr($m,11,2),substr($m,14,2),substr($m,17,2),substr($m,5,2),substr($m,8,2),substr($m,0,4)); - - if ( -1 == $i || false == $i ) - $i = 0; - if ( !empty($month) && !empty($weekday) && $translate ) { - $datemonth = $month[date('m', $i)]; - $datemonth_abbrev = $month_abbrev[$datemonth]; - $dateweekday = $weekday[date('w', $i)]; - $dateweekday_abbrev = $weekday_abbrev[$dateweekday]; + /* + * Store original value for language with untypical grammars. + * See https://core.trac.wordpress.org/ticket/9396 + */ + $req_format = $dateformatstring; + + $datefunc = $gmt? 'gmdate' : 'date'; + + if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) { + $datemonth = $wp_locale->get_month( $datefunc( 'm', $i ) ); + $datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth ); + $dateweekday = $wp_locale->get_weekday( $datefunc( 'w', $i ) ); + $dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday ); + $datemeridiem = $wp_locale->get_meridiem( $datefunc( 'a', $i ) ); + $datemeridiem_capital = $wp_locale->get_meridiem( $datefunc( 'A', $i ) ); $dateformatstring = ' '.$dateformatstring; - $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring); - - $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); + $dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . backslashit( $dateweekday ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . backslashit( $datemonth_abbrev ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . backslashit( $datemeridiem ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . backslashit( $datemeridiem_capital ), $dateformatstring ); + + $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 ); } - $j = @date($dateformatstring, $i); - if ( !$j ) { - // for debug purposes - // echo $i." ".$mysqlstring; + $timezone_formats = array( 'P', 'I', 'O', 'T', 'Z', 'e' ); + $timezone_formats_re = implode( '|', $timezone_formats ); + if ( preg_match( "/$timezone_formats_re/", $dateformatstring ) ) { + $timezone_string = get_option( 'timezone_string' ); + if ( $timezone_string ) { + $timezone_object = timezone_open( $timezone_string ); + $date_object = date_create( null, $timezone_object ); + foreach ( $timezone_formats as $timezone_format ) { + if ( false !== strpos( $dateformatstring, $timezone_format ) ) { + $formatted = date_format( $date_object, $timezone_format ); + $dateformatstring = ' '.$dateformatstring; + $dateformatstring = preg_replace( "/([^\\\])$timezone_format/", "\\1" . backslashit( $formatted ), $dateformatstring ); + $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 ); + } + } + } } + $j = @$datefunc( $dateformatstring, $i ); + + /** + * 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 $j; } -function current_time($type, $gmt = 0) { - switch ($type) { - case 'mysql': - if ( $gmt ) $d = gmdate('Y-m-d H:i:s'); - else $d = gmdate('Y-m-d H:i:s', (time() + (get_settings('gmt_offset') * 3600))); - return $d; - break; - case 'timestamp': - if ( $gmt ) $d = time(); - else $d = time() + (get_settings('gmt_offset') * 3600); - return $d; - break; +/** + * Determines if the date should be declined. + * + * If the locale specifies that month names require a genitive case in certain + * formats (like 'j F Y'), the month name will be replaced with a correct form. + * + * @since 4.4.0 + * + * @param string $date Formatted date string. + * @return string The date, declined if locale specifies it. + */ +function wp_maybe_decline_date( $date ) { + global $wp_locale; + + // i18n functions are not available in SHORTINIT mode + if ( ! function_exists( '_x' ) ) { + return $date; } -} -function date_i18n($dateformatstring, $unixtimestamp) { - global $month, $weekday, $month_abbrev, $weekday_abbrev; - $i = $unixtimestamp; - if ( (!empty($month)) && (!empty($weekday)) ) { - $datemonth = $month[date('m', $i)]; - $datemonth_abbrev = $month_abbrev[$datemonth]; - $dateweekday = $weekday[date('w', $i)]; - $dateweekday_abbrev = $weekday_abbrev[$dateweekday]; - $dateformatstring = ' '.$dateformatstring; - $dateformatstring = preg_replace("/([^\\\])D/", "\${1}".backslashit($dateweekday_abbrev), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])F/", "\${1}".backslashit($datemonth), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])l/", "\${1}".backslashit($dateweekday), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])M/", "\${1}".backslashit($datemonth_abbrev), $dateformatstring); - $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); + /* translators: If months in your language require a genitive case, + * translate this to 'on'. Do not translate into your own language. + */ + if ( 'on' === _x( 'off', 'decline months names: on or off' ) ) { + // Match a format like 'j F Y' or 'j. F' + if ( @preg_match( '#^\d{1,2}\.? \w+#u', $date ) ) { + $months = $wp_locale->month; + + foreach ( $months as $key => $month ) { + $months[ $key ] = '#' . $month . '#'; + } + + $date = preg_replace( $months, $wp_locale->month_genitive, $date ); + } } - $j = @date($dateformatstring, $i); - return $j; + + // Used for locale-specific rules + $locale = get_locale(); + + if ( 'ca' === $locale ) { + // " de abril| de agost| de octubre..." -> " d'abril| d'agost| d'octubre..." + $date = preg_replace( '# de ([ao])#i', " d'\\1", $date ); } -function get_weekstartend($mysqlstring, $start_of_week) { - $my = substr($mysqlstring,0,4); - $mm = substr($mysqlstring,8,2); - $md = substr($mysqlstring,5,2); - $day = mktime(0,0,0, $md, $mm, $my); - $weekday = date('w',$day); - $i = 86400; - - if ( $weekday < get_settings('start_of_week') ) - $weekday = 7 - (get_settings('start_of_week') - $weekday); - - while ($weekday > get_settings('start_of_week')) { - $weekday = date('w',$day); - if ( $weekday < get_settings('start_of_week') ) - $weekday = 7 - (get_settings('start_of_week') - $weekday); - - $day = $day - 86400; - $i = 0; - } - $week['start'] = $day + 86400 - $i; - // $week['end'] = $day - $i + 691199; - $week['end'] = $week['start'] + 604799; - return $week; -} - -function get_lastpostdate($timezone = 'server') { - global $cache_lastpostdate, $pagenow, $wpdb; - $add_seconds_blog = get_settings('gmt_offset') * 3600; - $add_seconds_server = date('Z'); - $now = current_time('mysql', 1); - if ( !isset($cache_lastpostdate[$timezone]) ) { - switch(strtolower($timezone)) { - case 'gmt': - $lastpostdate = $wpdb->get_var("SELECT post_date_gmt FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); - break; - case 'blog': - $lastpostdate = $wpdb->get_var("SELECT post_date FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); - break; - case 'server': - $lastpostdate = $wpdb->get_var("SELECT DATE_ADD(post_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); - break; - } - $cache_lastpostdate[$timezone] = $lastpostdate; + return $date; +} + +/** + * Convert float number to format based on the locale. + * + * @since 2.3.0 + * + * @global WP_Locale $wp_locale + * + * @param float $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; + + if ( isset( $wp_locale ) ) { + $formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); } else { - $lastpostdate = $cache_lastpostdate[$timezone]; + $formatted = number_format( $number, absint( $decimals ) ); } - return $lastpostdate; -} -function get_lastpostmodified($timezone = 'server') { - global $cache_lastpostmodified, $pagenow, $wpdb; - $add_seconds_blog = get_settings('gmt_offset') * 3600; - $add_seconds_server = date('Z'); - $now = current_time('mysql', 1); - if ( !isset($cache_lastpostmodified[$timezone]) ) { - switch(strtolower($timezone)) { - case 'gmt': - $lastpostmodified = $wpdb->get_var("SELECT post_modified_gmt FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); - break; - case 'blog': - $lastpostmodified = $wpdb->get_var("SELECT post_modified FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); - break; - case 'server': - $lastpostmodified = $wpdb->get_var("SELECT DATE_ADD(post_modified_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); - break; + /** + * 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 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. + * + * Please note that integers in PHP are limited to 32 bits, unless they are on + * 64 bit architecture, then they have 64 bit size. If you need to place the + * larger size then what PHP integer type will hold, then use a string. It will + * 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. + * + * @since 2.3.0 + * + * @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( + 'TB' => TB_IN_BYTES, + 'GB' => GB_IN_BYTES, + 'MB' => MB_IN_BYTES, + 'kB' => KB_IN_BYTES, + 'B' => 1, + ); + + foreach ( $quant as $unit => $mag ) { + if ( doubleval( $bytes ) >= $mag ) { + return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit; } - $lastpostdate = get_lastpostdate($timezone); - if ( $lastpostdate > $lastpostmodified ) { - $lastpostmodified = $lastpostdate; + } + + return false; +} + +/** + * 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|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 = '' ) { + // 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; + + // The most recent week start day on or before $day. + $start = $day - DAY_IN_SECONDS * ( $weekday - $start_of_week ); + + // $start + 1 week - 1 second. + $end = $start + WEEK_IN_SECONDS - 1; + return compact( 'start', 'end' ); +} + +/** + * Unserialize value only if it was serialized. + * + * @since 2.0.0 + * + * @param string $original Maybe unserialized original, if is needed. + * @return mixed Unserialized data can be any type. + */ +function maybe_unserialize( $original ) { + if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in + return @unserialize( $original ); + return $original; +} + +/** + * Check value to find if it was serialized. + * + * If $data is not an string, then returned value will always be false. + * Serialized data is always a string. + * + * @since 2.0.5 + * + * @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, $strict = true ) { + // if it isn't a string, it isn't serialized. + if ( ! is_string( $data ) ) { + return false; + } + $data = trim( $data ); + if ( 'N;' == $data ) { + return true; + } + if ( strlen( $data ) < 4 ) { + return false; + } + if ( ':' !== $data[1] ) { + return false; + } + if ( $strict ) { + $lastc = substr( $data, -1 ); + if ( ';' !== $lastc && '}' !== $lastc ) { + return false; } - $cache_lastpostmodified[$timezone] = $lastpostmodified; } else { - $lastpostmodified = $cache_lastpostmodified[$timezone]; + $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 ( $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' : + $end = $strict ? '$' : ''; + return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data ); + } + return false; +} + +/** + * Check whether serialized data is of string type. + * + * @since 2.0.5 + * + * @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 ) ) { + return false; + } + $data = trim( $data ); + if ( strlen( $data ) < 4 ) { + return false; + } elseif ( ':' !== $data[1] ) { + return false; + } elseif ( ';' !== substr( $data, -1 ) ) { + return false; + } elseif ( $data[0] !== 's' ) { + return false; + } elseif ( '"' !== substr( $data, -2, 1 ) ) { + return false; + } else { + return true; } - return $lastpostmodified; } -function user_pass_ok($user_login,$user_pass) { - global $cache_userdata; - if ( empty($cache_userdata[$user_login]) ) { - $userdata = get_userdatabylogin($user_login); +/** + * Serialize data, if needed. + * + * @since 2.0.5 + * + * @param string|array|object $data Data that might be serialized. + * @return mixed A scalar data + */ +function maybe_serialize( $data ) { + if ( is_array( $data ) || is_object( $data ) ) + return serialize( $data ); + + // Double serialization is required for backward compatibility. + // See https://core.trac.wordpress.org/ticket/12930 + // Also the world will end. See WP 3.6.1. + if ( is_serialized( $data, false ) ) + return serialize( $data ); + + return $data; +} + +/** + * Retrieve post title from XMLRPC XML. + * + * If the title element is not part of the XML, then the default post title from + * the $post_default_title will be used instead. + * + * @since 0.71 + * + * @global string $post_default_title Default XML-RPC post title. + * + * @param string $content XMLRPC XML Request content + * @return string Post title + */ +function xmlrpc_getposttitle( $content ) { + global $post_default_title; + if ( preg_match( '/
'; + $redirect_to = isset( $_REQUEST['redirect_to'] ) ? $_REQUEST['redirect_to'] : ''; + $html .= sprintf( __( "Do you really want to log out?"), wp_logout_url( $redirect_to ) ); } else { - $post_title = $post_default_title; + $html = __( 'Are you sure you want to do this?' ); + if ( wp_get_referer() ) + $html .= "
" . __( 'Please try again.' ) . "";
}
- return $post_title;
-}
-function xmlrpc_getpostcategory($content) {
- global $post_default_category;
- if ( preg_match('/ {$errors[0]} $message\n\t\t
";
+ break;
+ }
+ } elseif ( is_string( $message ) ) {
+ $message = "__construct()
' ) );
+ } else {
+ /* translators: 1: PHP class name, 2: version number, 3: __construct() method */
+ trigger_error( sprintf( __( 'The called constructor method for %1$s is deprecated since version %2$s! Use %3$s instead.' ),
+ $class, $version, '__construct()
' ) );
+ }
+ } else {
+ if ( ! empty( $parent_class ) ) {
+ trigger_error( sprintf( 'The called constructor method for %1$s in %2$s is deprecated since version %3$s! Use %4$s instead.',
+ $class, $parent_class, $version, '__construct()
' ) );
+ } else {
+ trigger_error( sprintf( 'The called constructor method for %1$s is deprecated since version %2$s! Use %3$s instead.',
+ $class, $version, '__construct()
' ) );
+ }
+ }
+ }
- return $wp_query->in_the_loop;
}
-function get_query_var($var) {
- global $wp_query;
-
- return $wp_query->get($var);
+/**
+ * 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
+ * file.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * This function is to be used in every file that is deprecated.
+ *
+ * @since 2.5.0
+ * @access private
+ *
+ * @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 );
+
+ /**
+ * 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 ( function_exists( '__' ) ) {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( __('%1$s is deprecated since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message );
+ else
+ trigger_error( sprintf( __('%1$s is deprecated since version %2$s with no alternative available.'), $file, $version ) . $message );
+ } else {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( '%1$s is deprecated since version %2$s! Use %3$s instead.', $file, $version, $replacement ) . $message );
+ else
+ trigger_error( sprintf( '%1$s is deprecated since version %2$s with no alternative available.', $file, $version ) . $message );
+ }
+ }
+}
+/**
+ * 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:
+ *
+ * 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
+ * argument.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @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 );
+
+ /**
+ * 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 ( function_exists( '__' ) ) {
+ if ( ! is_null( $message ) )
+ trigger_error( sprintf( __('%1$s was called with an argument that is deprecated since version %2$s! %3$s'), $function, $version, $message ) );
+ else
+ trigger_error( sprintf( __('%1$s was called with an argument that is deprecated 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 deprecated since version %2$s! %3$s', $function, $version, $message ) );
+ else
+ trigger_error( sprintf( '%1$s was called with an argument that is deprecated since version %2$s with no alternative available.', $function, $version ) );
+ }
+ }
}
-function have_posts() {
- global $wp_query;
-
- return $wp_query->have_posts();
+/**
+ * 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
+ * function.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @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.
+ */
+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 );
+
+ /**
+ * 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 ) ) {
+ if ( function_exists( '__' ) ) {
+ $version = is_null( $version ) ? '' : sprintf( __( '(This message was added in version %s.)' ), $version );
+ /* translators: %s: Codex URL */
+ $message .= ' ' . sprintf( __( 'Please see Debugging in WordPress for more information.' ),
+ __( 'https://codex.wordpress.org/Debugging_in_WordPress' )
+ );
+ trigger_error( sprintf( __( '%1$s was called incorrectly. %2$s %3$s' ), $function, $message, $version ) );
+ } else {
+ $version = is_null( $version ) ? '' : sprintf( '(This message was added in version %s.)', $version );
+ $message .= sprintf( ' Please see Debugging in WordPress for more information.',
+ 'https://codex.wordpress.org/Debugging_in_WordPress'
+ );
+ trigger_error( sprintf( '%1$s was called incorrectly. %2$s %3$s', $function, $message, $version ) );
+ }
+ }
}
-function rewind_posts() {
- global $wp_query;
+/**
+ * Is the server running earlier than 1.5.0 version of lighttpd?
+ *
+ * @since 2.5.0
+ *
+ * @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'] : '' );
+ $server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : '';
+ return 'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' );
+}
+
+/**
+ * Does the specified module exist in the Apache config?
+ *
+ * @since 2.5.0
+ *
+ * @global bool $is_apache
+ *
+ * @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;
- return $wp_query->rewind_posts();
-}
+ if ( function_exists( 'apache_get_modules' ) ) {
+ $mods = apache_get_modules();
+ if ( in_array($mod, $mods) )
+ return true;
+ } elseif ( function_exists( 'phpinfo' ) && false === strpos( ini_get( 'disable_functions' ), 'phpinfo' ) ) {
+ ob_start();
+ phpinfo(8);
+ $phpinfo = ob_get_clean();
+ if ( false !== strpos($phpinfo, $mod) )
+ return true;
+ }
+ return $default;
+}
+
+/**
+ * Check if IIS 7+ supports pretty permalinks.
+ *
+ * @since 2.8.0
+ *
+ * @global bool $is_iis7
+ *
+ * @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, 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.
+ */
+ $supports_permalinks = class_exists( 'DOMDocument', false ) && isset($_SERVER['IIS_UrlRewriteModule']) && ( PHP_SAPI == 'cgi-fcgi' );
+ }
-function the_post() {
- global $wp_query;
+ /**
+ * 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 );
+}
+
+/**
+ * File validates against allowed set of defined rules.
+ *
+ * A return value of '1' means that the $file contains either '..' or './'. A
+ * return value of '2' means that the $file contains ':' after the first
+ * character. A return value of '3' means that the file is not in the allowed
+ * files list.
+ *
+ * @since 1.2.0
+ *
+ * @param string $file File path.
+ * @param array $allowed_files List of allowed files.
+ * @return int 0 means nothing is wrong, greater than 0 means something was wrong.
+ */
+function validate_file( $file, $allowed_files = '' ) {
+ if ( false !== strpos( $file, '..' ) )
+ return 1;
+
+ if ( false !== strpos( $file, './' ) )
+ return 1;
+
+ if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files ) )
+ return 3;
+
+ if (':' == substr( $file, 1, 1 ) )
+ return 2;
- $wp_query->the_post();
+ return 0;
}
-function get_theme_root() {
- return apply_filters('theme_root', ABSPATH . "wp-content/themes");
+/**
+ * Determine if SSL is used.
+ *
+ * @since 2.6.0
+ *
+ * @return bool True if SSL, false if not used.
+ */
+function is_ssl() {
+ if ( isset($_SERVER['HTTPS']) ) {
+ if ( 'on' == strtolower($_SERVER['HTTPS']) )
+ return true;
+ if ( '1' == $_SERVER['HTTPS'] )
+ return true;
+ } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
+ return true;
+ }
+ return false;
}
-function get_theme_root_uri() {
- return apply_filters('theme_root_uri', get_settings('siteurl') . "/wp-content/themes", get_settings('siteurl'));
-}
+/**
+ * Whether to force SSL used for the Administration Screens.
+ *
+ * @since 2.6.0
+ *
+ * @staticvar bool $forced
+ *
+ * @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 ) {
+ static $forced = false;
+
+ if ( !is_null( $force ) ) {
+ $old_forced = $forced;
+ $forced = $force;
+ return $old_forced;
+ }
-function get_stylesheet() {
- return apply_filters('stylesheet', get_settings('stylesheet'));
-}
+ return $forced;
+}
+
+/**
+ * Guess the URL for the site.
+ *
+ * Will remove wp-admin links to retrieve only return URLs not in the wp-admin
+ * directory.
+ *
+ * @since 2.6.0
+ *
+ * @return string The guessed URL.
+ */
+function wp_guess_url() {
+ if ( defined('WP_SITEURL') && '' != WP_SITEURL ) {
+ $url = WP_SITEURL;
+ } else {
+ $abspath_fix = str_replace( '\\', '/', ABSPATH );
+ $script_filename_dir = dirname( $_SERVER['SCRIPT_FILENAME'] );
-function get_stylesheet_directory() {
- $stylesheet = get_stylesheet();
- $stylesheet_dir = get_theme_root() . "/$stylesheet";
- return apply_filters('stylesheet_directory', $stylesheet_dir, $stylesheet);
-}
+ // 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'] );
-function get_stylesheet_directory_uri() {
- $stylesheet = rawurlencode( get_stylesheet() );
- $stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet";
- return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet);
-}
+ // 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'] );
-function get_stylesheet_uri() {
- $stylesheet_dir_uri = get_stylesheet_directory_uri();
- $stylesheet_uri = $stylesheet_dir_uri . "/style.css";
- return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
-}
+ } 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 params
+ $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'];
+ }
+ }
-function get_template() {
- $template = get_settings('template');
- if (!file_exists(get_theme_root() . "/$template")) { //works for dirs too
- update_option('template', 'default');
- update_option('stylesheet', 'default');
+ $schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet
+ $url = $schema . $_SERVER['HTTP_HOST'] . $path;
}
- return apply_filters('template', get_settings('template'));
-}
-function get_template_directory() {
- $template = get_template();
- $template_dir = get_theme_root() . "/$template";
- return apply_filters('template_directory', $template_dir, $template);
-}
+ return rtrim($url, '/');
+}
+
+/**
+ * Temporarily suspend cache additions.
+ *
+ * Stops more data being added to the cache, but still allows cache retrieval.
+ * This is useful for actions, such as imports, when a lot of data would otherwise
+ * be almost uselessly added to the cache.
+ *
+ * Suspension lasts for a single page load at most. Remember to call this
+ * function again if you wish to re-enable cache adds earlier.
+ *
+ * @since 3.3.0
+ *
+ * @staticvar bool $_suspend
+ *
+ * @param bool $suspend Optional. Suspends additions if true, re-enables them if false.
+ * @return bool The current suspend setting
+ */
+function wp_suspend_cache_addition( $suspend = null ) {
+ static $_suspend = false;
+
+ if ( is_bool( $suspend ) )
+ $_suspend = $suspend;
+
+ return $_suspend;
+}
+
+/**
+ * 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.
+ *
+ * @since 2.7.0
+ *
+ * @global bool $_wp_suspend_cache_invalidation
+ *
+ * @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 ) {
+ global $_wp_suspend_cache_invalidation;
+
+ $current_suspend = $_wp_suspend_cache_invalidation;
+ $_wp_suspend_cache_invalidation = $suspend;
+ return $current_suspend;
+}
+
+/**
+ * Determine whether a site is the main site of the current network.
+ *
+ * @since 3.0.0
+ *
+ * @global object $current_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( $site_id = null ) {
+ // This is the current network's information; 'site' is old terminology.
+ global $current_site;
+
+ if ( ! is_multisite() )
+ return true;
-function get_template_directory_uri() {
- $template = get_template();
- $template_dir_uri = get_theme_root_uri() . "/$template";
- return apply_filters('template_directory_uri', $template_dir_uri, $template);
-}
+ if ( ! $site_id )
+ $site_id = get_current_blog_id();
-function get_theme_data($theme_file) {
- $theme_data = implode('', file($theme_file));
- preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name);
- preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri);
- preg_match("|Description:(.*)|i", $theme_data, $description);
- preg_match("|Author:(.*)|i", $theme_data, $author_name);
- preg_match("|Author URI:(.*)|i", $theme_data, $author_uri);
- preg_match("|Template:(.*)|i", $theme_data, $template);
- if ( preg_match("|Version:(.*)|i", $theme_data, $version) )
- $version = $version[1];
- else
- $version ='';
- if ( preg_match("|Status:(.*)|i", $theme_data, $status) )
- $status = $status[1];
- else
- $status ='publish';
+ return (int) $site_id === (int) $current_site->blog_id;
+}
- $description = wptexturize($description[1]);
+/**
+ * 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 ) {
+ if ( ! is_multisite() ) {
+ return true;
+ }
- $name = $theme_name[1];
- $name = trim($name);
- $theme = $name;
+ $current_network_id = (int) get_current_site()->id;
- if ( '' == $author_uri[1] ) {
- $author = $author_name[1];
- } else {
- $author = '' . $author_name[1] . '';
+ if ( null === $network_id ) {
+ $network_id = $current_network_id;
}
- return array('Name' => $name, 'Title' => $theme, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1], 'Status' => $status);
+ $network_id = (int) $network_id;
+
+ return ( $network_id === get_main_network_id() );
}
-function get_themes() {
- global $wp_themes;
- global $wp_broken_themes;
+/**
+ * Get the main network ID.
+ *
+ * @since 4.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return int The ID of the main network.
+ */
+function get_main_network_id() {
+ global $wpdb;
- if ( isset($wp_themes) )
- return $wp_themes;
+ if ( ! is_multisite() ) {
+ return 1;
+ }
- $themes = array();
- $wp_broken_themes = array();
- $theme_root = get_theme_root();
- $theme_loc = str_replace(ABSPATH, '', $theme_root);
+ if ( defined( 'PRIMARY_NETWORK_ID' ) ) {
+ $main_network_id = PRIMARY_NETWORK_ID;
+ } elseif ( 1 === (int) get_current_site()->id ) {
+ // If the current network has an ID of 1, assume it is the main network.
+ $main_network_id = 1;
+ } else {
+ $main_network_id = wp_cache_get( 'primary_network_id', 'site-options' );
- // Files in wp-content/themes directory
- $themes_dir = @ dir($theme_root);
- if ( $themes_dir ) {
- while(($theme_dir = $themes_dir->read()) !== false) {
- if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
- if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' ) {
- continue;
- }
- $stylish_dir = @ dir($theme_root . '/' . $theme_dir);
- $found_stylesheet = false;
- while (($theme_file = $stylish_dir->read()) !== false) {
- if ( $theme_file == 'style.css' ) {
- $theme_files[] = $theme_dir . '/' . $theme_file;
- $found_stylesheet = true;
- break;
- }
- }
- if ( !$found_stylesheet ) {
- $wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
- }
- }
+ if ( false === $main_network_id ) {
+ $main_network_id = (int) $wpdb->get_var( "SELECT id FROM {$wpdb->site} ORDER BY id LIMIT 1" );
+ wp_cache_add( 'primary_network_id', $main_network_id, 'site-options' );
}
}
- if ( !$themes_dir || !$theme_files ) {
- return $themes;
- }
+ /**
+ * Filter the main network ID.
+ *
+ * @since 4.3.0
+ *
+ * @param int $main_network_id The ID of the main network.
+ */
+ return (int) apply_filters( 'get_main_network_id', $main_network_id );
+}
+
+/**
+ * Determine whether global terms are enabled.
+ *
+ * @since 3.0.0
+ *
+ * @staticvar bool $global_terms
+ *
+ * @return bool True if multisite and global terms enabled.
+ */
+function global_terms_enabled() {
+ if ( ! is_multisite() )
+ return false;
- sort($theme_files);
+ 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 $enabled Whether global terms are enabled.
+ */
+ $filter = apply_filters( 'global_terms_enabled', null );
+ if ( ! is_null( $filter ) )
+ $global_terms = (bool) $filter;
+ else
+ $global_terms = (bool) get_site_option( 'global_terms_enabled', false );
+ }
+ return $global_terms;
+}
+
+/**
+ * gmt_offset modification for smart timezone handling.
+ *
+ * Overrides the gmt_offset option if we have a timezone_string available.
+ *
+ * @since 2.8.0
+ *
+ * @return float|false Timezone GMT offset, false otherwise.
+ */
+function wp_timezone_override_offset() {
+ if ( !$timezone_string = get_option( 'timezone_string' ) ) {
+ return false;
+ }
- foreach($theme_files as $theme_file) {
- if ( ! is_readable("$theme_root/$theme_file") ) {
- $wp_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.'));
- continue;
+ $timezone_object = timezone_open( $timezone_string );
+ $datetime_object = date_create();
+ if ( false === $timezone_object || false === $datetime_object ) {
+ return false;
+ }
+ return round( timezone_offset_get( $timezone_object, $datetime_object ) / HOUR_IN_SECONDS, 2 );
+}
+
+/**
+ * Sort-helper for timezones.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param array $a
+ * @param array $b
+ * @return int
+ */
+function _wp_timezone_choice_usort_callback( $a, $b ) {
+ // Don't use translated versions of Etc
+ if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) {
+ // Make the order of these more like the old dropdown
+ if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) {
+ return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) );
}
-
- $theme_data = get_theme_data("$theme_root/$theme_file");
-
- $name = $theme_data['Name'];
- $title = $theme_data['Title'];
- $description = wptexturize($theme_data['Description']);
- $version = $theme_data['Version'];
- $author = $theme_data['Author'];
- $template = $theme_data['Template'];
- $stylesheet = dirname($theme_file);
-
- foreach (array('png', 'gif', 'jpg', 'jpeg') as $ext) {
- if (file_exists("$theme_root/$stylesheet/screenshot.$ext")) {
- $screenshot = "screenshot.$ext";
- break;
+ if ( 'UTC' === $a['city'] ) {
+ if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) {
+ return 1;
}
+ return -1;
}
-
- if ( empty($name) ) {
- $name = dirname($theme_file);
- $title = $name;
- }
-
- if ( empty($template) ) {
- if ( file_exists(dirname("$theme_root/$theme_file/index.php")) ) {
- $template = dirname($theme_file);
- } else {
- continue;
+ if ( 'UTC' === $b['city'] ) {
+ if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) {
+ return -1;
}
+ return 1;
}
-
- $template = trim($template);
-
- if ( !file_exists("$theme_root/$template/index.php") ) {
- $wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
- continue;
+ return strnatcasecmp( $a['city'], $b['city'] );
+ }
+ if ( $a['t_continent'] == $b['t_continent'] ) {
+ if ( $a['t_city'] == $b['t_city'] ) {
+ return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] );
}
-
- $stylesheet_files = array();
- $stylesheet_dir = @ dir("$theme_root/$stylesheet");
- if ( $stylesheet_dir ) {
- while(($file = $stylesheet_dir->read()) !== false) {
- if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file) )
- $stylesheet_files[] = "$theme_loc/$stylesheet/$file";
- }
+ return strnatcasecmp( $a['t_city'], $b['t_city'] );
+ } else {
+ // Force Etc to the bottom of the list
+ if ( 'Etc' === $a['continent'] ) {
+ return 1;
}
-
- $template_files = array();
- $template_dir = @ dir("$theme_root/$template");
- if ( $template_dir ) {
- while(($file = $template_dir->read()) !== false) {
- if ( !preg_match('|^\.+$|', $file) && preg_match('|\.php$|', $file) )
- $template_files[] = "$theme_loc/$template/$file";
- }
+ if ( 'Etc' === $b['continent'] ) {
+ return -1;
}
+ return strnatcasecmp( $a['t_continent'], $b['t_continent'] );
+ }
+}
- $template_dir = dirname($template_files[0]);
- $stylesheet_dir = dirname($stylesheet_files[0]);
-
- if ( empty($template_dir) )
- $template_dir = '/';
- if ( empty($stylesheet_dir) )
- $stylesheet_dir = '/';
-
- // Check for theme name collision. This occurs if a theme is copied to
- // a new theme directory and the theme header is not updated. Whichever
- // theme is first keeps the name. Subsequent themes get a suffix applied.
- // The Default and Classic themes always trump their pretenders.
- if ( isset($themes[$name]) ) {
- if ( ('WordPress Default' == $name || 'WordPress Classic' == $name) &&
- ('default' == $stylesheet || 'classic' == $stylesheet) ) {
- // If another theme has claimed to be one of our default themes, move
- // them aside.
- $suffix = $themes[$name]['Stylesheet'];
- $new_name = "$name/$suffix";
- $themes[$new_name] = $themes[$name];
- $themes[$new_name]['Name'] = $new_name;
- } else {
- $name = "$name/$stylesheet";
- }
+/**
+ * Gives a nicely-formatted list of timezone strings.
+ *
+ * @since 2.9.0
+ *
+ * @staticvar bool $mo_loaded
+ *
+ * @param string $selected_zone Selected timezone.
+ * @return string
+ */
+function wp_timezone_choice( $selected_zone ) {
+ static $mo_loaded = false;
+
+ $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific');
+
+ // Load translations for continents and cities
+ if ( !$mo_loaded ) {
+ $locale = get_locale();
+ $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+ load_textdomain( 'continents-cities', $mofile );
+ $mo_loaded = true;
+ }
+
+ $zonen = array();
+ foreach ( timezone_identifiers_list() as $zone ) {
+ $zone = explode( '/', $zone );
+ if ( !in_array( $zone[0], $continents ) ) {
+ continue;
}
- $themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Template Files' => $template_files, 'Stylesheet Files' => $stylesheet_files, 'Template Dir' => $template_dir, 'Stylesheet Dir' => $stylesheet_dir, 'Status' => $theme_data['Status'], 'Screenshot' => $screenshot);
+ // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
+ $exists = array(
+ 0 => ( isset( $zone[0] ) && $zone[0] ),
+ 1 => ( isset( $zone[1] ) && $zone[1] ),
+ 2 => ( isset( $zone[2] ) && $zone[2] ),
+ );
+ $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] );
+ $exists[4] = ( $exists[1] && $exists[3] );
+ $exists[5] = ( $exists[2] && $exists[3] );
+
+ $zonen[] = array(
+ 'continent' => ( $exists[0] ? $zone[0] : '' ),
+ 'city' => ( $exists[1] ? $zone[1] : '' ),
+ 'subcity' => ( $exists[2] ? $zone[2] : '' ),
+ 't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ),
+ 't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ),
+ 't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' )
+ );
}
+ usort( $zonen, '_wp_timezone_choice_usort_callback' );
- // Resolve theme dependencies.
- $theme_names = array_keys($themes);
+ $structure = array();
- foreach ($theme_names as $theme_name) {
- $themes[$theme_name]['Parent Theme'] = '';
- if ( $themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template'] ) {
- foreach ($theme_names as $parent_theme_name) {
- if ( ($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template']) ) {
- $themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
- break;
- }
- }
- }
+ if ( empty( $selected_zone ) ) {
+ $structure[] = '';
}
- $wp_themes = $themes;
+ foreach ( $zonen as $key => $zone ) {
+ // Build value in an array to join later
+ $value = array( $zone['continent'] );
- return $themes;
-}
+ if ( empty( $zone['city'] ) ) {
+ // It's at the continent level (generally won't happen)
+ $display = $zone['t_continent'];
+ } else {
+ // It's inside a continent group
-function get_theme($theme) {
- $themes = get_themes();
+ // Continent optgroup
+ if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) {
+ $label = $zone['t_continent'];
+ $structure[] = '';
}
}
- return $current_theme;
-}
+ // Do UTC
+ $structure[] = '';
+
+ // Do manual UTC offsets
+ $structure[] = '';
+
+ return join( "\n", $structure );
+}
+
+/**
+ * Strip close comment and close php tags from file headers used by WP.
+ *
+ * @since 2.8.0
+ * @access private
+ *
+ * @see https://core.trac.wordpress.org/ticket/8497
+ *
+ * @param string $str Header comment to clean up.
+ * @return string
+ */
+function _cleanup_header_comment( $str ) {
+ return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str));
+}
+
+/**
+ * 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
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function wp_scheduled_delete() {
+ global $wpdb;
-function get_404_template() {
- return get_query_template('404');
-}
+ $delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
-function get_archive_template() {
- return get_query_template('archive');
-}
+ $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);
-function get_author_template() {
- return get_query_template('author');
-}
+ foreach ( (array) $posts_to_delete as $post ) {
+ $post_id = (int) $post['post_id'];
+ if ( !$post_id )
+ continue;
-function get_category_template() {
- $template = '';
- if ( file_exists(TEMPLATEPATH . "/category-" . get_query_var('cat') . '.php') )
- $template = TEMPLATEPATH . "/category-" . get_query_var('cat') . '.php';
- else if ( file_exists(TEMPLATEPATH . "/category.php") )
- $template = TEMPLATEPATH . "/category.php";
+ $del_post = get_post($post_id);
- return apply_filters('category_template', $template);
-}
+ if ( !$del_post || 'trash' != $del_post->post_status ) {
+ delete_post_meta($post_id, '_wp_trash_meta_status');
+ delete_post_meta($post_id, '_wp_trash_meta_time');
+ } else {
+ wp_delete_post($post_id);
+ }
+ }
-function get_date_template() {
- return get_query_template('date');
-}
+ $comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);
-function get_home_template() {
- $template = '';
+ foreach ( (array) $comments_to_delete as $comment ) {
+ $comment_id = (int) $comment['comment_id'];
+ if ( !$comment_id )
+ continue;
- if ( file_exists(TEMPLATEPATH . "/home.php") )
- $template = TEMPLATEPATH . "/home.php";
- else if ( file_exists(TEMPLATEPATH . "/index.php") )
- $template = TEMPLATEPATH . "/index.php";
+ $del_comment = get_comment($comment_id);
- return apply_filters('home_template', $template);
+ if ( !$del_comment || 'trash' != $del_comment->comment_approved ) {
+ delete_comment_meta($comment_id, '_wp_trash_meta_time');
+ delete_comment_meta($comment_id, '_wp_trash_meta_status');
+ } else {
+ wp_delete_comment( $del_comment );
+ }
+ }
}
-function get_page_template() {
- global $wp_query;
-
- $id = $wp_query->post->ID;
- $template = get_post_meta($id, '_wp_page_template', true);
-
- if ( 'default' == $template )
- $template = '';
+/**
+ * Retrieve metadata from a file.
+ *
+ * Searches for metadata in the first 8kiB of a file, such as a plugin or theme.
+ * Each piece of metadata must be on its own line. Fields can not span multiple
+ * lines, the value will get cut at the end of the first line.
+ *
+ * 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.
+ *
+ * @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 $context Optional. If specified adds filter hook "extra_{$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.
+ $fp = fopen( $file, 'r' );
+
+ // Pull only the first 8kiB of the file in.
+ $file_data = fread( $fp, 8192 );
+
+ // PHP will close file handle, but we are good citizens.
+ fclose( $fp );
- if ( ! empty($template) && file_exists(TEMPLATEPATH . "/$template") )
- $template = TEMPLATEPATH . "/$template";
- else if ( file_exists(TEMPLATEPATH . "/page.php") )
- $template = TEMPLATEPATH . "/page.php";
- else
- $template = '';
+ // 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 );
+ } else {
+ $all_headers = $default_headers;
+ }
- return apply_filters('page_template', $template);
-}
+ foreach ( $all_headers as $field => $regex ) {
+ if ( preg_match( '/^[ \t\/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, $match ) && $match[1] )
+ $all_headers[ $field ] = _cleanup_header_comment( $match[1] );
+ else
+ $all_headers[ $field ] = '';
+ }
-function get_paged_template() {
- return get_query_template('paged');
+ return $all_headers;
+}
+
+/**
+ * Returns true.
+ *
+ * Useful for returning true to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @see __return_false()
+ *
+ * @return true True.
+ */
+function __return_true() {
+ return true;
}
-function get_search_template() {
- return get_query_template('search');
+/**
+ * Returns false.
+ *
+ * Useful for returning false to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @see __return_true()
+ *
+ * @return false False.
+ */
+function __return_false() {
+ return false;
}
-function get_single_template() {
- return get_query_template('single');
+/**
+ * Returns 0.
+ *
+ * Useful for returning 0 to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @return int 0.
+ */
+function __return_zero() {
+ return 0;
}
-function get_attachment_template() {
- global $posts;
- $type = explode('/', $posts[0]->post_mime_type);
- if ( $template = get_query_template($type[0]) )
- return $template;
- elseif ( $template = get_query_template($type[1]) )
- return $template;
- elseif ( $template = get_query_template("$type[0]_$type[1]") )
- return $template;
- else
- return get_query_template('attachment');
+/**
+ * Returns an empty array.
+ *
+ * Useful for returning an empty array to filters easily.
+ *
+ * @since 3.0.0
+ *
+ * @return array Empty array.
+ */
+function __return_empty_array() {
+ return array();
+}
+
+/**
+ * Returns null.
+ *
+ * Useful for returning null to filters easily.
+ *
+ * @since 3.4.0
+ *
+ * @return null Null value.
+ */
+function __return_null() {
+ return null;
+}
+
+/**
+ * Returns an empty string.
+ *
+ * Useful for returning an empty string to filters easily.
+ *
+ * @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
+ *
+ * @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' );
+}
+
+/**
+ * Return a MySQL expression for selecting the week number based on the start_of_week option.
+ *
+ * @ignore
+ * @since 3.0.0
+ *
+ * @param string $column Database column.
+ * @return string SQL clause.
+ */
+function _wp_mysql_week( $column ) {
+ switch ( $start_of_week = (int) get_option( 'start_of_week' ) ) {
+ case 1 :
+ return "WEEK( $column, 1 )";
+ case 2 :
+ case 3 :
+ case 4 :
+ case 5 :
+ case 6 :
+ return "WEEK( DATE_SUB( $column, INTERVAL $start_of_week DAY ), 0 )";
+ case 0 :
+ default :
+ return "WEEK( $column, 0 )";
+ }
}
-function get_comments_popup_template() {
- if ( file_exists( TEMPLATEPATH . '/comments-popup.php') )
- $template = TEMPLATEPATH . '/comments-popup.php';
- else
- $template = get_theme_root() . '/default/comments-popup.php';
-
- return apply_filters('comments_popup_template', $template);
-}
+/**
+ * Find hierarchy loops using a callback function that maps object IDs to parent IDs.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param callable $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 => $start_parent );
+
+ if ( !$arbitrary_loop_member = wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override, $callback_args ) )
+ return array();
+
+ return wp_find_hierarchy_loop_tortoise_hare( $callback, $arbitrary_loop_member, $override, $callback_args, true );
+}
+
+/**
+ * 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 callable $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;
+ $return = array();
+
+ // Set evanescent_hare to one past hare
+ // Increment hare two steps
+ while (
+ $tortoise
+ &&
+ ( $evanescent_hare = isset( $override[$hare] ) ? $override[$hare] : call_user_func_array( $callback, array_merge( array( $hare ), $callback_args ) ) )
+ &&
+ ( $hare = isset( $override[$evanescent_hare] ) ? $override[$evanescent_hare] : call_user_func_array( $callback, array_merge( array( $evanescent_hare ), $callback_args ) ) )
+ ) {
+ if ( $_return_loop )
+ $return[$tortoise] = $return[$evanescent_hare] = $return[$hare] = true;
+
+ // tortoise got lapped - must be a loop
+ if ( $tortoise == $evanescent_hare || $tortoise == $hare )
+ return $_return_loop ? $return : $tortoise;
+
+ // Increment tortoise by one step
+ $tortoise = isset( $override[$tortoise] ) ? $override[$tortoise] : call_user_func_array( $callback, array_merge( array( $tortoise ), $callback_args ) );
+ }
-// Borrowed from the PHP Manual user notes. Convert entities, while
-// preserving already-encoded entities:
-function htmlentities2($myHTML) {
- $translation_table=get_html_translation_table (HTML_ENTITIES,ENT_QUOTES);
- $translation_table[chr(38)] = '&';
- return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,3};)/","&" , strtr($myHTML, $translation_table));
+ return false;
}
+/**
+ * Send a HTTP header to limit rendering of pages to same origin iframes.
+ *
+ * @since 3.1.3
+ *
+ * @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
+ * @since 4.3.0 Added 'webcal' to the protocols array.
+ *
+ * @see wp_kses()
+ * @see esc_url()
+ *
+ * @staticvar array $protocols
+ *
+ * @return array Array of allowed protocols. Defaults to an array containing 'http', 'https',
+ * 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet',
+ * 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', and 'webcal'.
+ */
+function wp_allowed_protocols() {
+ static $protocols = array();
+
+ if ( empty( $protocols ) ) {
+ $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', 'webcal' );
+
+ /**
+ * 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 );
+ }
-function is_plugin_page() {
- global $plugin_page;
-
- if ( isset($plugin_page) )
- return true;
-
- return false;
-}
+ return $protocols;
+}
+
+/**
+ * Return a comma-separated string of functions that have been called to get
+ * to the current point in code.
+ *
+ * @since 3.4.0
+ *
+ * @see https://core.trac.wordpress.org/ticket/19589
+ *
+ * @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', '>=' ) )
+ $trace = debug_backtrace( false );
+ else
+ $trace = debug_backtrace();
-/*
-add_query_arg: Returns a modified querystring by adding
-a single key & value or an associative array.
-Setting a key value to emptystring removes the key.
-Omitting oldquery_or_uri uses the $_SERVER value.
+ $caller = array();
+ $check_class = ! is_null( $ignore_class );
+ $skip_frames++; // skip this function
-Parameters:
-add_query_arg(newkey, newvalue, oldquery_or_uri) or
-add_query_arg(associative_array, oldquery_or_uri)
-*/
-function add_query_arg() {
- $ret = '';
- if ( is_array(func_get_arg(0)) ) {
- if ( @func_num_args() < 2 )
- $uri = $_SERVER['REQUEST_URI'];
- else
- $uri = @func_get_arg(1);
- } else {
- if ( @func_num_args() < 3 )
- $uri = $_SERVER['REQUEST_URI'];
- else
- $uri = @func_get_arg(2);
- }
+ foreach ( $trace as $call ) {
+ if ( $skip_frames > 0 ) {
+ $skip_frames--;
+ } elseif ( isset( $call['class'] ) ) {
+ if ( $check_class && $ignore_class == $call['class'] )
+ continue; // Filter out calls
- if ( strstr($uri, '?') ) {
- $parts = explode('?', $uri, 2);
- if ( 1 == count($parts) ) {
- $base = '?';
- $query = $parts[0];
+ $caller[] = "{$call['class']}{$call['type']}{$call['function']}";
} else {
- $base = $parts[0] . '?';
- $query = $parts[1];
+ if ( in_array( $call['function'], array( 'do_action', 'apply_filters' ) ) ) {
+ $caller[] = "{$call['function']}('{$call['args'][0]}')";
+ } elseif ( in_array( $call['function'], array( 'include', 'include_once', 'require', 'require_once' ) ) ) {
+ $caller[] = $call['function'] . "('" . str_replace( array( WP_CONTENT_DIR, ABSPATH ) , '', $call['args'][0] ) . "')";
+ } else {
+ $caller[] = $call['function'];
+ }
}
}
- else if ( strstr($uri, '/') ) {
- $base = $uri . '?';
- $query = '';
- } else {
- $base = '';
- $query = $uri;
- }
-
- parse_str($query, $qs);
- if ( is_array(func_get_arg(0)) ) {
- $kayvees = func_get_arg(0);
- $qs = array_merge($qs, $kayvees);
- } else {
- $qs[func_get_arg(0)] = func_get_arg(1);
- }
-
- foreach($qs as $k => $v) {
- if ( $v != '' ) {
- if ( $ret != '' )
- $ret .= '&';
- $ret .= "$k=$v";
+ if ( $pretty )
+ return join( ', ', array_reverse( $caller ) );
+ else
+ return $caller;
+}
+
+/**
+ * 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.
+ *
+ * @return array List of ids not present in the cache.
+ */
+function _get_non_cached_ids( $object_ids, $cache_key ) {
+ $clean = array();
+ foreach ( $object_ids as $id ) {
+ $id = (int) $id;
+ if ( !wp_cache_get( $id, $cache_key ) ) {
+ $clean[] = $id;
}
}
- $ret = $base . $ret;
- return trim($ret, '?');
-}
-
-function remove_query_arg($key, $query) {
- return add_query_arg($key, '', $query);
-}
-
-function load_template($file) {
- global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query,
- $wp_rewrite, $wpdb;
- extract($wp_query->query_vars);
-
- require_once($file);
+ return $clean;
}
-function add_magic_quotes($array) {
- global $wpdb;
+/**
+ * Test if the current device has the capability to upload files.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @return bool Whether the device is able to upload files.
+ */
+function _device_can_upload() {
+ if ( ! wp_is_mobile() )
+ return true;
- foreach ($array as $k => $v) {
- if ( is_array($v) ) {
- $array[$k] = add_magic_quotes($v);
- } else {
- $array[$k] = $wpdb->escape($v);
- }
- }
- return $array;
-}
+ $ua = $_SERVER['HTTP_USER_AGENT'];
-function wp_remote_fopen( $uri ) {
- if ( ini_get('allow_url_fopen') ) {
- $fp = fopen( $uri, 'r' );
- if ( !$fp )
- return false;
- $linea = '';
- while( $remote_read = fread($fp, 4096) )
- $linea .= $remote_read;
- fclose($fp);
- return $linea;
- } else if ( function_exists('curl_init') ) {
- $handle = curl_init();
- curl_setopt ($handle, CURLOPT_URL, $uri);
- curl_setopt ($handle, CURLOPT_CONNECTTIMEOUT, 1);
- curl_setopt ($handle, CURLOPT_RETURNTRANSFER, 1);
- $buffer = curl_exec($handle);
- curl_close($handle);
- return $buffer;
- } else {
- return false;
+ if ( strpos($ua, 'iPhone') !== false
+ || strpos($ua, 'iPad') !== false
+ || strpos($ua, 'iPod') !== false ) {
+ return preg_match( '#OS ([\d_]+) like Mac OS X#', $ua, $version ) && version_compare( $version[1], '6', '>=' );
}
-}
-
-function wp($query_vars = '') {
- global $wp;
-
- $wp->main($query_vars);
-}
-
-function status_header( $header ) {
- if ( 200 == $header )
- $text = 'OK';
- elseif ( 301 == $header )
- $text = 'Moved Permanently';
- elseif ( 302 == $header )
- $text = 'Moved Temporarily';
- elseif ( 304 == $header )
- $text = 'Not Modified';
- elseif ( 404 == $header )
- $text = 'Not Found';
- elseif ( 410 == $header )
- $text = 'Gone';
- @header("HTTP/1.1 $header $text");
- @header("Status: $header $text");
+ return true;
}
-function nocache_headers() {
- @ header('Expires: Wed, 11 Jan 1984 05:00:00 GMT');
- @ header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
- @ header('Cache-Control: no-cache, must-revalidate, max-age=0');
- @ header('Pragma: no-cache');
-}
+/**
+ * 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;
-function get_usermeta( $user_id, $meta_key = '') {
- global $wpdb;
- $user_id = (int) $user_id;
+ if ( defined( 'IFRAME_REQUEST' ) )
+ return;
- if ( !empty($meta_key) ) {
- $meta_key = preg_replace('|a-z0-9_|i', '', $meta_key);
- $metas = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
- } else {
- $metas = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->usermeta WHERE user_id = '$user_id'");
+ $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, $screen ) ) {
+ wp_enqueue_style( 'wp-auth-check' );
+ wp_enqueue_script( 'wp-auth-check' );
+
+ add_action( 'admin_print_footer_scripts', 'wp_auth_check_html', 5 );
+ add_action( 'wp_print_footer_scripts', 'wp_auth_check_html', 5 );
}
+}
- if ( empty($metas) ) {
- if ( empty($meta_key) )
- return array();
- else
- return '';
+/**
+ * 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 = $same_domain ? 'hidden' : 'hidden fallback';
+
+ ?>
+
+ [\s\S]*<\/%1$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()
+ *
+ * @staticvar array $encodings
+ * @staticvar bool $overloaded
+ *
+ * @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;
- $values[] = $value;
+ if ( ! $reset ) {
+ $encoding = mb_internal_encoding();
+ array_push( $encodings, $encoding );
+ mb_internal_encoding( 'ISO-8859-1' );
}
- if ( count($values) == 1 )
- return $values[0];
- else
- return $values;
+ if ( $reset && $encodings ) {
+ $encoding = array_pop( $encodings );
+ mb_internal_encoding( $encoding );
+ }
}
-function update_usermeta( $user_id, $meta_key, $meta_value ) {
- global $wpdb;
- if ( !is_numeric( $user_id ) )
- return false;
- $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
-
- if ( is_array($meta_value) || is_object($meta_value) )
- $meta_value = serialize($meta_value);
- $meta_value = trim( $meta_value );
-
- if (empty($meta_value)) {
- delete_usermeta($user_id, $meta_key);
- }
-
- $cur = $wpdb->get_row("SELECT * FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
- if ( !$cur ) {
- $wpdb->query("INSERT INTO $wpdb->usermeta ( user_id, meta_key, meta_value )
- VALUES
- ( '$user_id', '$meta_key', '$meta_value' )");
- } else if ( $cur->meta_value != $meta_value ) {
- $wpdb->query("UPDATE $wpdb->usermeta SET meta_value = '$meta_value' WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
- } else {
- return false;
+/**
+ * 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;
}
-
- $user = get_userdata($user_id);
- wp_cache_delete($user_id, 'users');
- wp_cache_delete($user->user_login, 'userlogins');
-
- return true;
-}
-function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
- global $wpdb;
- if ( !is_numeric( $user_id ) )
+ if ( is_string( $var ) && 'false' === strtolower( $var ) ) {
return false;
- $meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
-
- if ( is_array($meta_value) || is_object($meta_value) )
- $meta_value = serialize($meta_value);
- $meta_value = trim( $meta_value );
+ }
- if ( ! empty($meta_value) )
- $wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key' AND meta_value = '$meta_value'");
- else
- $wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$user_id' AND meta_key = '$meta_key'");
-
- $user = get_userdata($user_id);
- wp_cache_delete($user_id, 'users');
- wp_cache_delete($user->user_login, 'userlogins');
-
- return true;
+ 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( $delete );
+ }
}
-function register_activation_hook($file, $function) {
- $file = plugin_basename($file);
+/**
+ * Outputs a small JS snippet on preview tabs/windows to remove `window.name` on unload.
+ *
+ * This prevents reusing the same tab for a preview when the user has navigated away.
+ *
+ * @since 4.3.0
+ */
+function wp_post_preview_js() {
+ global $post;
- add_action('activate_' . $file, $function);
-}
+ if ( ! is_preview() || empty( $post ) ) {
+ return;
+ }
-function register_deactivation_hook($file, $function) {
- $file = plugin_basename($file);
+ // Has to match the window name used in post_submit_meta_box()
+ $name = 'wp-preview-' . (int) $post->ID;
- add_action('deactivate_' . $file, $function);
-}
+ ?>
+
+