$j = @$datefunc( $dateformatstring, $i );
/**
- * Filter the date formatted based on the locale.
+ * Filters the date formatted based on the locale.
*
* @since 2.8.0
*
*/
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;
+ if ( @preg_match( '#^\d{1,2}\.? [^\d ]+#u', $date ) ) {
+ $months = $wp_locale->month;
+ $months_genitive = $wp_locale->month_genitive;
foreach ( $months as $key => $month ) {
- $months[ $key ] = '#' . $month . '#';
+ $months[ $key ] = '# ' . $month . '( |$)#u';
}
- $date = preg_replace( $months, $wp_locale->month_genitive, $date );
+ foreach ( $months_genitive as $key => $month ) {
+ $months_genitive[ $key ] = ' ' . $month . '$1';
+ }
+
+ $date = preg_replace( $months, $months_genitive, $date );
}
}
}
/**
- * Convert integer number to format based on the locale.
+ * Convert float number to format based on the locale.
*
* @since 2.3.0
*
* @global WP_Locale $wp_locale
*
- * @param int $number The number to convert based on locale.
- * @param int $decimals Optional. Precision of the number of decimal places. Default 0.
+ * @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 ) {
}
/**
- * Filter the number formatted based on the locale.
+ * Filters the number formatted based on the locale.
*
* @since 2.8.0
*
/**
* 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
+ * 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.
*
'TB' => TB_IN_BYTES,
'GB' => GB_IN_BYTES,
'MB' => MB_IN_BYTES,
- 'kB' => KB_IN_BYTES,
+ 'KB' => KB_IN_BYTES,
'B' => 1,
);
+ if ( 0 === $bytes ) {
+ return number_format_i18n( 0, $decimals ) . ' B';
+ }
+
foreach ( $quant as $unit => $mag ) {
if ( doubleval( $bytes ) >= $mag ) {
return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit;
}
/**
- * Filter the list of enclosure links before querying the database.
+ * Filters the list of enclosure links before querying the database.
*
* Allows for the addition and/or removal of potential enclosures to save
* to postmeta before checking the database for existing enclosures.
*/
function wp_get_http_headers( $url, $deprecated = false ) {
if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.7' );
+ _deprecated_argument( __FUNCTION__, '2.7.0' );
$response = wp_safe_remote_head( $url );
* @since 2.3.0
*
* @see _http_build_query() Used to build the query
- * @see http://us2.php.net/manual/en/function.http-build-query.php for more on what
- * http_build_query() does.
+ * @link https://secure.php.net/manual/en/function.http-build-query.php for more on what
+ * http_build_query() does.
*
* @param array $data URL-encode key/value pairs.
* @return string URL-encoded string.
* @since 3.2.0
* @access private
*
- * @see http://us1.php.net/manual/en/function.http-build-query.php
+ * @see https://secure.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.
'disabled',
'enabled',
'error',
+ 'hotkeys_highlight_first',
+ 'hotkeys_highlight_last',
'locked',
'message',
'same',
);
/**
- * Filter the list of query variables to remove.
+ * Filters the list of query variables to remove.
*
* @since 4.2.0
*
305 => 'Use Proxy',
306 => 'Reserved',
307 => 'Temporary Redirect',
+ 308 => 'Permanent Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
418 => 'I\'m a teapot',
+ 421 => 'Misdirected Request',
422 => 'Unprocessable Entity',
423 => 'Locked',
424 => 'Failed Dependency',
428 => 'Precondition Required',
429 => 'Too Many Requests',
431 => 'Request Header Fields Too Large',
+ 451 => 'Unavailable For Legal Reasons',
500 => 'Internal Server Error',
501 => 'Not Implemented',
if ( function_exists( 'apply_filters' ) )
/**
- * Filter an HTTP status header.
+ * Filters an HTTP status header.
*
* @since 2.2.0
*
$headers = array(
'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
- 'Pragma' => 'no-cache',
);
if ( function_exists('apply_filters') ) {
/**
- * Filter the cache-controlling headers.
+ * Filters the cache-controlling headers.
*
* @since 2.8.0
*
*
* @type string $Expires Expires header.
* @type string $Cache-Control Cache-Control header.
- * @type string $Pragma Pragma header.
* }
*/
$headers = (array) apply_filters( 'nocache_headers', $headers );
}
/**
- * Filter the robots.txt output.
+ * Filters the robots.txt output.
*
* @since 3.0.0
*
}
/**
- * Test whether blog is already installed.
+ * Test whether WordPress 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
*
* @global wpdb $wpdb WordPress database abstraction object.
*
- * @return bool Whether the blog is already installed.
+ * @return bool Whether the site is already installed.
*/
function is_blog_installed() {
global $wpdb;
* @return false|string False on failure. Referer URL on success.
*/
function wp_get_referer() {
- if ( ! function_exists( 'wp_validate_redirect' ) )
+ if ( ! function_exists( 'wp_validate_redirect' ) ) {
return false;
- $ref = false;
- if ( ! empty( $_REQUEST['_wp_http_referer'] ) )
- $ref = wp_unslash( $_REQUEST['_wp_http_referer'] );
- elseif ( ! empty( $_SERVER['HTTP_REFERER'] ) )
- $ref = wp_unslash( $_SERVER['HTTP_REFERER'] );
+ }
+
+ $ref = wp_get_raw_referer();
- if ( $ref && $ref !== wp_unslash( $_SERVER['REQUEST_URI'] ) )
+ if ( $ref && $ref !== wp_unslash( $_SERVER['REQUEST_URI'] ) && $ref !== home_url() . wp_unslash( $_SERVER['REQUEST_URI'] ) ) {
return wp_validate_redirect( $ref, false );
+ }
+
+ return false;
+}
+
+/**
+ * Retrieves unvalidated referer from '_wp_http_referer' or HTTP referer.
+ *
+ * Do not use for redirects, use wp_get_referer() instead.
+ *
+ * @since 4.5.0
+ *
+ * @return string|false Referer URL on success, false on failure.
+ */
+function wp_get_raw_referer() {
+ if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+ return wp_unslash( $_REQUEST['_wp_http_referer'] );
+ } else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) {
+ return wp_unslash( $_SERVER['HTTP_REFERER'] );
+ }
+
return false;
}
*
* On windows systems, replaces backslashes with forward slashes
* and forces upper-case drive letters.
- * Ensures that no duplicate slashes exist.
+ * Allows for two leading slashes for Windows network shares, but
+ * ensures that all other duplicate slashes are reduced to a single.
*
* @since 3.9.0
* @since 4.4.0 Ensures upper-case drive letters on Windows systems.
+ * @since 4.5.0 Allows for Windows network shares.
*
* @param string $path Path to normalize.
* @return string Normalized path.
*/
function wp_normalize_path( $path ) {
$path = str_replace( '\\', '/', $path );
- $path = preg_replace( '|/+|','/', $path );
+ $path = preg_replace( '|(?<=.)/+|', '/', $path );
if ( ':' === substr( $path, 1, 1 ) ) {
$path = ucfirst( $path );
}
*
* @since 2.8.0
*
- * @see http://bugs.php.net/bug.php?id=27609
- * @see http://bugs.php.net/bug.php?id=30931
+ * @see https://bugs.php.net/bug.php?id=27609
+ * @see https://bugs.php.net/bug.php?id=30931
*
* @param string $path Windows path to check for write-ability.
* @return bool Whether the path is writable.
return true;
}
+/**
+ * Retrieves uploads directory information.
+ *
+ * Same as wp_upload_dir() but "light weight" as it doesn't attempt to create the uploads directory.
+ * Intended for use in themes, when only 'basedir' and 'baseurl' are needed, generally in all cases
+ * when not uploading files.
+ *
+ * @since 4.5.0
+ *
+ * @see wp_upload_dir()
+ *
+ * @return array See wp_upload_dir() for description.
+ */
+function wp_get_upload_dir() {
+ return wp_upload_dir( null, false );
+}
+
/**
* Get an array containing the current upload directory's path and url.
*
* 'subdir' - sub directory if uploads use year/month folders option is on.
* 'basedir' - path without subdir.
* 'baseurl' - URL path without subdir.
- * 'error' - set to false.
+ * 'error' - false or error message.
*
* @since 2.0.0
+ * @uses _wp_upload_dir()
*
* @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @param bool $create_dir Optional. Whether to check and create the uploads directory.
+ * Default true for backward compatibility.
+ * @param bool $refresh_cache Optional. Whether to refresh the cache. Default false.
* @return array See above for description.
*/
-function wp_upload_dir( $time = null ) {
+function wp_upload_dir( $time = null, $create_dir = true, $refresh_cache = false ) {
+ static $cache = array(), $tested_paths = array();
+
+ $key = sprintf( '%d-%s', get_current_blog_id(), (string) $time );
+
+ if ( $refresh_cache || empty( $cache[ $key ] ) ) {
+ $cache[ $key ] = _wp_upload_dir( $time );
+ }
+
+ /**
+ * Filters 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', $cache[ $key ] );
+
+ if ( $create_dir ) {
+ $path = $uploads['path'];
+
+ if ( array_key_exists( $path, $tested_paths ) ) {
+ $uploads['error'] = $tested_paths[ $path ];
+ } else {
+ if ( ! wp_mkdir_p( $path ) ) {
+ if ( 0 === strpos( $uploads['basedir'], ABSPATH ) ) {
+ $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+ } else {
+ $error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+ }
+
+ $uploads['error'] = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), esc_html( $error_path ) );
+ }
+
+ $tested_paths[ $path ] = $uploads['error'];
+ }
+ }
+
+ return $uploads;
+}
+
+/**
+ * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
+ *
+ * @access private
+ *
+ * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
+ * @return array See wp_upload_dir()
+ */
+function _wp_upload_dir( $time = null ) {
$siteurl = get_option( 'siteurl' );
$upload_path = trim( get_option( 'upload_path' ) );
$dir .= $subdir;
$url .= $subdir;
- /**
- * 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 directory.
- if ( ! wp_mkdir_p( $uploads['path'] ) ) {
- 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;
+ return array(
+ 'path' => $dir,
+ 'url' => $url,
+ 'subdir' => $subdir,
+ 'basedir' => $basedir,
+ 'baseurl' => $baseurl,
+ 'error' => false,
+ );
}
/**
$filename2 = str_replace( array( "-$number$ext2", "$number$ext2" ), "-$new_number$ext2", $filename2 );
$number = $new_number;
}
- return $filename2;
+
+ /**
+ * Filters the result when generating a unique file name.
+ *
+ * @since 4.5.0
+ *
+ * @param string $filename Unique file name.
+ * @param string $ext File extension, eg. ".png".
+ * @param string $dir Directory path.
+ * @param callable|null $unique_filename_callback Callback function that generates the unique file name.
+ */
+ return apply_filters( 'wp_unique_filename', $filename2, $ext, $dir, $unique_filename_callback );
}
while ( file_exists( $dir . "/$filename" ) ) {
}
}
- return $filename;
+ /** This filter is documented in wp-includes/functions.php */
+ return apply_filters( 'wp_unique_filename', $filename, $ext, $dir, $unique_filename_callback );
}
/**
*/
function wp_upload_bits( $name, $deprecated, $bits, $time = null ) {
if ( !empty( $deprecated ) )
- _deprecated_argument( __FUNCTION__, '2.0' );
+ _deprecated_argument( __FUNCTION__, '2.0.0' );
if ( empty( $name ) )
return array( 'error' => __( 'Empty filename' ) );
return $upload;
/**
- * Filter whether to treat the upload bits as an error.
+ * Filters 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.
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(
- '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' ),
- 'code' => array( 'css', 'htm', 'html', 'php', 'js' ),
- ) );
-
+ $ext2type = wp_get_ext_types();
foreach ( $ext2type as $type => $exts )
if ( in_array( $ext, $exts ) )
return $type;
* If it's determined that the extension does not match the file's real type,
* then the "proper_filename" value will be set with a proper filename and extension.
*
- * Currently this function only supports validating images known to getimagesize().
+ * Currently this function only supports renaming images validated via wp_get_image_mime().
*
* @since 3.0.0
*
return compact( 'ext', 'type', 'proper_filename' );
}
- // We're able to validate images using GD
- if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) {
+ // Validate image types.
+ if ( $type && 0 === strpos( $type, 'image/' ) ) {
// Attempt to figure out what type of image it actually is
- $imgstats = @getimagesize( $file );
+ $real_mime = wp_get_image_mime( $file );
- // If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME
- if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) {
+ if ( ! $real_mime ) {
+ $type = $ext = false;
+ } elseif ( $real_mime != $type ) {
/**
- * Filter the list mapping image mime types to their respective extensions.
+ * Filters the list mapping image mime types to their respective extensions.
*
* @since 3.0.0
*
) );
// Replace whatever is after the last period in the filename with the correct extension
- if ( ! empty( $mime_to_ext[ $imgstats['mime'] ] ) ) {
+ if ( ! empty( $mime_to_ext[ $real_mime ] ) ) {
$filename_parts = explode( '.', $filename );
array_pop( $filename_parts );
- $filename_parts[] = $mime_to_ext[ $imgstats['mime'] ];
+ $filename_parts[] = $mime_to_ext[ $real_mime ];
$new_filename = implode( '.', $filename_parts );
if ( $new_filename != $filename ) {
$wp_filetype = wp_check_filetype( $new_filename, $mimes );
$ext = $wp_filetype['ext'];
$type = $wp_filetype['type'];
+ } else {
+ $type = $ext = false;
}
}
+ } elseif ( function_exists( 'finfo_file' ) ) {
+ // Use finfo_file if available to validate non-image files.
+ $finfo = finfo_open( FILEINFO_MIME_TYPE );
+ $real_mime = finfo_file( $finfo, $file );
+ finfo_close( $finfo );
+
+ // If the extension does not match the file's real type, return false.
+ if ( $real_mime !== $type ) {
+ $type = $ext = false;
+ }
}
/**
- * Filter the "real" file type of the given file.
+ * Filters the "real" file type of the given file.
*
* @since 3.0.0
*
return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );
}
+/**
+ * Returns the real mime type of an image file.
+ *
+ * This depends on exif_imagetype() or getimagesize() to determine real mime types.
+ *
+ * @since 4.7.1
+ *
+ * @param string $file Full path to the file.
+ * @return string|false The actual mime type or false if the type cannot be determined.
+ */
+function wp_get_image_mime( $file ) {
+ /*
+ * Use exif_imagetype() to check the mimetype if available or fall back to
+ * getimagesize() if exif isn't avaialbe. If either function throws an Exception
+ * we assume the file could not be validated.
+ */
+ try {
+ if ( is_callable( 'exif_imagetype' ) ) {
+ $mime = image_type_to_mime_type( exif_imagetype( $file ) );
+ } elseif ( function_exists( 'getimagesize' ) ) {
+ $imagesize = getimagesize( $file );
+ $mime = ( isset( $imagesize['mime'] ) ) ? $imagesize['mime'] : false;
+ } else {
+ $mime = false;
+ }
+ } catch ( Exception $e ) {
+ $mime = false;
+ }
+
+ return $mime;
+}
+
/**
* Retrieve list of mime types and file extensions.
*
*/
function wp_get_mime_types() {
/**
- * Filter the list of mime types and file extensions.
+ * Filters 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.
+ * mime types, use the {@see 'upload_mimes'} filter.
*
* @since 3.5.0
*
'pages' => 'application/vnd.apple.pages',
) );
}
+
+/**
+ * Retrieves the list of common file extensions and their types.
+ *
+ * @since 4.6.0
+ *
+ * @return array Array of file extensions types keyed by the type of file.
+ */
+function wp_get_ext_types() {
+
+ /**
+ * Filters 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.
+ */
+ return apply_filters( 'ext2type', array(
+ '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' ),
+ 'code' => array( 'css', 'htm', 'html', 'php', 'js' ),
+ ) );
+}
+
/**
* Retrieve list of allowed mime types and file extensions.
*
unset( $t['htm|html'] );
/**
- * Filter list of allowed mime types and file extensions.
+ * Filters list of allowed mime types and file extensions.
*
* @since 2.0.0
*
* @since 4.1.0 The `$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,
+ * @param string|WP_Error $message Optional. Error message. If this is a 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.
* @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()}.
+ * Default is the value of is_rtl().
* }
*/
function wp_die( $message = '', $title = '', $args = array() ) {
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
/**
- * Filter callback for killing WordPress execution for AJAX requests.
+ * Filters the callback for killing WordPress execution for Ajax requests.
*
* @since 3.4.0
*
$function = apply_filters( 'wp_die_ajax_handler', '_ajax_wp_die_handler' );
} elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
/**
- * Filter callback for killing WordPress execution for XML-RPC requests.
+ * Filters the callback for killing WordPress execution for XML-RPC requests.
*
* @since 3.4.0
*
$function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' );
} else {
/**
- * Filter callback for killing WordPress execution for all non-AJAX, non-XML-RPC requests.
+ * Filters the callback for killing WordPress execution for all non-Ajax, non-XML-RPC requests.
*
* @since 3.0.0
*
}
/**
- * Kill WordPress execution and display HTML message with error message.
+ * Kills WordPress execution and display HTML message with error message.
*
* This is the default handler for wp_die if you want a custom one for your
- * site then you can overload using the wp_die_handler filter in wp_die
+ * site then you can overload using the {@see 'wp_die_handler'} filter in wp_die().
*
* @since 3.0.0
* @access private
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width">
+ <?php
+ if ( function_exists( 'wp_no_robots' ) ) {
+ wp_no_robots();
+ }
+ ?>
<title><?php echo $title ?></title>
<style type="text/css">
html {
body {
background: #fff;
color: #444;
- font-family: "Open Sans", sans-serif;
+ font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
margin: 2em auto;
padding: 1em 2em;
max-width: 700px;
border-bottom: 1px solid #dadada;
clear: both;
color: #666;
- font: 24px "Open Sans", sans-serif;
+ font-size: 24px;
margin: 30px 0 0 0;
padding: 0;
padding-bottom: 7px;
}
// Prepare the data for JSON serialization.
- $data = _wp_json_prepare_data( $data );
+ $args[0] = _wp_json_prepare_data( $data );
$json = @call_user_func_array( 'json_encode', $args );
/**
* Send a JSON response back to an Ajax request, indicating failure.
*
- * If the `$data` parameter is a {@see WP_Error} object, the errors
+ * If the `$data` parameter is a WP_Error object, the errors
* within the object are processed and output as an array of error
* codes and corresponding messages. All other types are output
* without further processing.
*
* @since 3.5.0
- * @since 4.1.0 The `$data` parameter is now processed if a {@see WP_Error}
- * object is passed in.
+ * @since 4.1.0 The `$data` parameter is now processed if a WP_Error object is passed in.
*
* @param mixed $data Data to encode as JSON, then print and die.
*/
wp_send_json( $response );
}
+/**
+ * Checks that a JSONP callback is a valid JavaScript callback.
+ *
+ * Only allows alphanumeric characters and the dot character in callback
+ * function names. This helps to mitigate XSS attacks caused by directly
+ * outputting user input.
+ *
+ * @since 4.6.0
+ *
+ * @param string $callback Supplied JSONP callback function.
+ * @return bool True if valid callback, otherwise false.
+ */
+function wp_check_jsonp_callback( $callback ) {
+ if ( ! is_string( $callback ) ) {
+ return false;
+ }
+
+ $jsonp_callback = preg_replace( '/[^\w\.]/', '', $callback, -1, $illegal_char_count );
+
+ return 0 === $illegal_char_count;
+}
+
/**
* Retrieve the WordPress home page URL.
*
* 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.
+ * in the $mce_init (TinyMCE settings) array.
*
* @since 2.1.0
* @access private
*
- * @param array $input MCE settings array.
+ * @param array $mce_init MCE settings array.
* @return array Direction set for 'rtl', if needed by locale.
*/
-function _mce_set_direction( $input ) {
+function _mce_set_direction( $mce_init ) {
if ( is_rtl() ) {
- $input['directionality'] = 'rtl';
+ $mce_init['directionality'] = 'rtl';
+ $mce_init['rtl_ui'] = true;
- if ( ! empty( $input['plugins'] ) && strpos( $input['plugins'], 'directionality' ) === false ) {
- $input['plugins'] .= ',directionality';
+ if ( ! empty( $mce_init['plugins'] ) && strpos( $mce_init['plugins'], 'directionality' ) === false ) {
+ $mce_init['plugins'] .= ',directionality';
}
- if ( ! empty( $input['toolbar1'] ) && ! preg_match( '/\bltr\b/', $input['toolbar1'] ) ) {
- $input['toolbar1'] .= ',ltr';
+ if ( ! empty( $mce_init['toolbar1'] ) && ! preg_match( '/\bltr\b/', $mce_init['toolbar1'] ) ) {
+ $mce_init['toolbar1'] .= ',ltr';
}
}
- return $input;
+ return $mce_init;
}
':twisted:' => "\xf0\x9f\x98\x88",
':arrow:' => "\xe2\x9e\xa1",
':shock:' => "\xf0\x9f\x98\xaf",
- ':smile:' => 'simple-smile.png',
+ ':smile:' => "\xf0\x9f\x99\x82",
':???:' => "\xf0\x9f\x98\x95",
':cool:' => "\xf0\x9f\x98\x8e",
':evil:' => "\xf0\x9f\x91\xbf",
':idea:' => "\xf0\x9f\x92\xa1",
':oops:' => "\xf0\x9f\x98\xb3",
':razz:' => "\xf0\x9f\x98\x9b",
- ':roll:' => 'rolleyes.png',
+ ':roll:' => "\xf0\x9f\x99\x84",
':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',
+ ':sad:' => "\xf0\x9f\x99\x81",
'8-)' => "\xf0\x9f\x98\x8e",
'8-O' => "\xf0\x9f\x98\xaf",
- ':-(' => 'frownie.png',
- ':-)' => 'simple-smile.png',
+ ':-(' => "\xf0\x9f\x99\x81",
+ ':-)' => "\xf0\x9f\x99\x82",
':-?' => "\xf0\x9f\x98\x95",
':-D' => "\xf0\x9f\x98\x80",
':-P' => "\xf0\x9f\x98\x9b",
// This one transformation breaks regular text with frequency.
// '8)' => "\xf0\x9f\x98\x8e",
'8O' => "\xf0\x9f\x98\xaf",
- ':(' => 'frownie.png',
- ':)' => 'simple-smile.png',
+ ':(' => "\xf0\x9f\x99\x81",
+ ':)' => "\xf0\x9f\x99\x82",
':?' => "\xf0\x9f\x98\x95",
':D' => "\xf0\x9f\x98\x80",
':P' => "\xf0\x9f\x98\x9b",
* 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'.
+ * means all elements must match; 'not' means no elements may
+ * 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_maybe_load_widgets() {
/**
- * Filter whether to load the Widgets library.
+ * Filters whether to load the Widgets library.
*
* Passing a falsey value to the filter will effectively short-circuit
* the Widgets library from loading.
/**
* 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
+ * There is a {@see '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
* function.
*
- * The current behavior is to trigger a user error if WP_DEBUG is true.
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* This function is to be used in every function that is deprecated.
*
do_action( 'deprecated_function_run', $function, $replacement, $version );
/**
- * Filter whether to trigger an error for deprecated functions.
+ * Filters whether to trigger an error for deprecated functions.
*
* @since 2.5.0
*
* This function is to be used in every PHP4 style constructor method that is deprecated.
*
* @since 4.3.0
+ * @since 4.5.0 Added the `$parent_class` parameter.
+ *
* @access private
*
- * @param string $class The class containing the deprecated constructor.
- * @param string $version The version of WordPress that deprecated the function.
+ * @param string $class The class containing the deprecated constructor.
+ * @param string $version The version of WordPress that deprecated the function.
+ * @param string $parent_class Optional. The parent class calling the deprecated constructor.
+ * Default empty string.
*/
-function _deprecated_constructor( $class, $version ) {
+function _deprecated_constructor( $class, $version, $parent_class = '' ) {
/**
* Fires when a deprecated constructor is called.
*
* @since 4.3.0
+ * @since 4.5.0 Added the `$parent_class` parameter.
*
- * @param string $class The class containing the deprecated constructor.
- * @param string $version The version of WordPress that deprecated the function.
+ * @param string $class The class containing the deprecated constructor.
+ * @param string $version The version of WordPress that deprecated the function.
+ * @param string $parent_class The parent class calling the deprecated constructor.
*/
- do_action( 'deprecated_constructor_run', $class, $version );
+ do_action( 'deprecated_constructor_run', $class, $version, $parent_class );
/**
- * Filter whether to trigger an error for deprecated functions.
+ * Filters whether to trigger an error for deprecated functions.
*
* `WP_DEBUG` must be true in addition to the filter evaluating to true.
*
*/
if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) {
if ( function_exists( '__' ) ) {
- trigger_error( sprintf( __( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ), $class, $version, '<pre>__construct()</pre>' ) );
+ if ( ! empty( $parent_class ) ) {
+ /* translators: 1: PHP class name, 2: PHP parent class name, 3: version number, 4: __construct() method */
+ trigger_error( sprintf( __( 'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.' ),
+ $class, $parent_class, $version, '<pre>__construct()</pre>' ) );
+ } else {
+ /* translators: 1: PHP class name, 2: version number, 3: __construct() method */
+ trigger_error( sprintf( __( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ),
+ $class, $version, '<pre>__construct()</pre>' ) );
+ }
} else {
- trigger_error( sprintf( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $class, $version, '<pre>__construct()</pre>' ) );
+ if ( ! empty( $parent_class ) ) {
+ trigger_error( sprintf( 'The called constructor method for %1$s in %2$s is <strong>deprecated</strong> since version %3$s! Use %4$s instead.',
+ $class, $parent_class, $version, '<pre>__construct()</pre>' ) );
+ } else {
+ trigger_error( sprintf( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.',
+ $class, $version, '<pre>__construct()</pre>' ) );
+ }
}
}
/**
* 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
+ * There is a hook {@see '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.
+ * 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.
*
do_action( 'deprecated_file_included', $file, $replacement, $version, $message );
/**
- * Filter whether to trigger an error for deprecated files.
+ * Filters whether to trigger an error for deprecated files.
*
* @since 2.5.0
*
* For example:
*
* if ( ! empty( $deprecated ) ) {
- * _deprecated_argument( __FUNCTION__, '3.0' );
+ * _deprecated_argument( __FUNCTION__, '3.0.0' );
* }
*
*
do_action( 'deprecated_argument_run', $function, $message, $version );
/**
- * Filter whether to trigger an error for deprecated arguments.
+ * Filters whether to trigger an error for deprecated arguments.
*
* @since 3.0.0
*
}
}
+/**
+ * Marks a deprecated action or filter hook as deprecated and throws a notice.
+ *
+ * Use the {@see 'deprecated_hook_run'} action to get the backtrace describing where
+ * the deprecated hook was called.
+ *
+ * Default behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * This function is called by the do_action_deprecated() and apply_filters_deprecated()
+ * functions, and so generally does not need to be called directly.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @param string $hook The hook that was used.
+ * @param string $version The version of WordPress that deprecated the hook.
+ * @param string $replacement Optional. The hook that should have been used.
+ * @param string $message Optional. A message regarding the change.
+ */
+function _deprecated_hook( $hook, $version, $replacement = null, $message = null ) {
+ /**
+ * Fires when a deprecated hook is called.
+ *
+ * @since 4.6.0
+ *
+ * @param string $hook The hook that was called.
+ * @param string $replacement The hook that should be used as a replacement.
+ * @param string $version The version of WordPress that deprecated the argument used.
+ * @param string $message A message regarding the change.
+ */
+ do_action( 'deprecated_hook_run', $hook, $replacement, $version, $message );
+
+ /**
+ * Filters whether to trigger deprecated hook errors.
+ *
+ * @since 4.6.0
+ *
+ * @param bool $trigger Whether to trigger deprecated hook errors. Requires
+ * `WP_DEBUG` to be defined true.
+ */
+ if ( WP_DEBUG && apply_filters( 'deprecated_hook_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.' ), $hook, $version, $replacement ) . $message );
+ } else {
+ trigger_error( sprintf( __( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.' ), $hook, $version ) . $message );
+ }
+ }
+}
+
/**
* Mark something as being incorrectly called.
*
- * There is a hook doing_it_wrong_run that will be called that can be used
+ * There is a hook {@see '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.
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* @since 3.1.0
* @access private
do_action( 'doing_it_wrong_run', $function, $message, $version );
/**
- * Filter whether to trigger an error for _doing_it_wrong() calls.
+ * Filters whether to trigger an error for _doing_it_wrong() calls.
*
* @since 3.1.0
*
}
/**
- * Filter whether IIS 7+ supports pretty permalinks.
+ * Filters whether IIS 7+ supports pretty permalinks.
*
* @since 2.8.0
*
return 0;
}
-/**
- * Determine if SSL is used.
- *
- * @since 2.6.0
- *
- * @return bool True if SSL, false if not used.
- */
-function is_ssl() {
- if ( isset($_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;
-}
-
/**
* Whether to force SSL used for the Administration Screens.
*
* @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.
*/
return 1;
}
+ $current_site = get_current_site();
+
if ( defined( 'PRIMARY_NETWORK_ID' ) ) {
$main_network_id = PRIMARY_NETWORK_ID;
- } elseif ( 1 === (int) get_current_site()->id ) {
+ } elseif ( isset( $current_site->id ) && 1 === (int) $current_site->id ) {
// If the current network has an ID of 1, assume it is the main network.
$main_network_id = 1;
} else {
}
/**
- * Filter the main network ID.
+ * Filters the main network ID.
*
* @since 4.3.0
*
if ( is_null( $global_terms ) ) {
/**
- * Filter whether global terms are enabled.
+ * Filters 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.
*
* @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".
+ * @param string $context Optional. If specified adds filter hook {@see 'extra_$context_headers'}.
* Default empty.
* @return array Array of file headers in `HeaderKey => Header Value` format.
*/
$file_data = str_replace( "\r", "\n", $file_data );
/**
- * Filter extra file headers by context.
+ * Filters extra file headers by context.
*
* The dynamic portion of the hook name, `$context`, refers to
* the context where extra headers might be loaded.
*
* @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
+ * @see https://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
+ * @see https://src.chromium.org/viewvc/chrome?view=rev&revision=6985
*/
function send_nosniff_header() {
@header( 'X-Content-Type-Options: nosniff' );
$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.
+ * Filters the list of protocols allowed in HTML attributes.
*
* @since 3.0.0
*
*/
function wp_checkdate( $month, $day, $year, $source_date ) {
/**
- * Filter whether the given date is valid for the Gregorian calendar.
+ * Filters whether the given date is valid for the Gregorian calendar.
*
* @since 3.5.0
*
* 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
+ * inconvenient interruption. A filter called {@see 'wp_auth_check_load'} can be used
* for fine-grained control.
*
* @since 3.6.0
$show = ! in_array( $screen->id, $hidden );
/**
- * Filter whether to load the authentication check.
+ * Filters whether to load the authentication check.
*
* Passing a falsey value to the filter will effectively short-circuit
* loading the authentication check.
$same_domain = ( strpos( $login_url, $current_domain ) === 0 );
/**
- * Filter whether the authentication check originated at the same domain.
+ * Filters whether the authentication check originated at the same domain.
*
* @since 3.6.0
*
<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>
+ <button type="button" class="wp-auth-check-close button-link"><span class="screen-reader-text"><?php _e( 'Close dialog' ); ?></span></button>
<?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>
+ <div id="wp-auth-check-form" class="loading" data-src="<?php echo esc_url( add_query_arg( array( 'interim-login' => 1 ), $login_url ) ); ?>"></div>
<?php
}
*/
function wp_delete_file( $file ) {
/**
- * Filter the path of the file to delete.
+ * Filters the path of the file to delete.
*
* @since 2.1.0
*
// Strip timezone information
return preg_replace( '/(?:Z|[+-]\d{2}(?::\d{2})?)$/', '', $formatted );
}
+
+/**
+ * Attempts to raise the PHP memory limit for memory intensive processes.
+ *
+ * Only allows raising the existing limit and prevents lowering it.
+ *
+ * @since 4.6.0
+ *
+ * @param string $context Optional. Context in which the function is called. Accepts either 'admin',
+ * 'image', or an arbitrary other context. If an arbitrary context is passed,
+ * the similarly arbitrary {@see '{$context}_memory_limit'} filter will be
+ * invoked. Default 'admin'.
+ * @return bool|int|string The limit that was set or false on failure.
+ */
+function wp_raise_memory_limit( $context = 'admin' ) {
+ // Exit early if the limit cannot be changed.
+ if ( false === wp_is_ini_value_changeable( 'memory_limit' ) ) {
+ return false;
+ }
+
+ $current_limit = @ini_get( 'memory_limit' );
+ $current_limit_int = wp_convert_hr_to_bytes( $current_limit );
+
+ if ( -1 === $current_limit_int ) {
+ return false;
+ }
+
+ $wp_max_limit = WP_MAX_MEMORY_LIMIT;
+ $wp_max_limit_int = wp_convert_hr_to_bytes( $wp_max_limit );
+ $filtered_limit = $wp_max_limit;
+
+ switch ( $context ) {
+ case 'admin':
+ /**
+ * Filters the maximum memory limit available for administration screens.
+ *
+ * This only applies to administrators, who may require more memory for tasks
+ * like updates. Memory limits when processing images (uploaded or edited by
+ * users of any role) are handled separately.
+ *
+ * The `WP_MAX_MEMORY_LIMIT` constant specifically defines the maximum memory
+ * limit available when in the administration back end. The default is 256M
+ * (256 megabytes of memory) or the original `memory_limit` php.ini value if
+ * this is higher.
+ *
+ * @since 3.0.0
+ * @since 4.6.0 The default now takes the original `memory_limit` into account.
+ *
+ * @param int|string $filtered_limit The maximum WordPress memory limit. Accepts an integer
+ * (bytes), or a shorthand string notation, such as '256M'.
+ */
+ $filtered_limit = apply_filters( 'admin_memory_limit', $filtered_limit );
+ break;
+
+ case 'image':
+ /**
+ * Filters the memory limit allocated for image manipulation.
+ *
+ * @since 3.5.0
+ * @since 4.6.0 The default now takes the original `memory_limit` into account.
+ *
+ * @param int|string $filtered_limit Maximum memory limit to allocate for images.
+ * Default `WP_MAX_MEMORY_LIMIT` or the original
+ * php.ini `memory_limit`, whichever is higher.
+ * Accepts an integer (bytes), or a shorthand string
+ * notation, such as '256M'.
+ */
+ $filtered_limit = apply_filters( 'image_memory_limit', $filtered_limit );
+ break;
+
+ default:
+ /**
+ * Filters the memory limit allocated for arbitrary contexts.
+ *
+ * The dynamic portion of the hook name, `$context`, refers to an arbitrary
+ * context passed on calling the function. This allows for plugins to define
+ * their own contexts for raising the memory limit.
+ *
+ * @since 4.6.0
+ *
+ * @param int|string $filtered_limit Maximum memory limit to allocate for images.
+ * Default '256M' or the original php.ini `memory_limit`,
+ * whichever is higher. Accepts an integer (bytes), or a
+ * shorthand string notation, such as '256M'.
+ */
+ $filtered_limit = apply_filters( "{$context}_memory_limit", $filtered_limit );
+ break;
+ }
+
+ $filtered_limit_int = wp_convert_hr_to_bytes( $filtered_limit );
+
+ if ( -1 === $filtered_limit_int || ( $filtered_limit_int > $wp_max_limit_int && $filtered_limit_int > $current_limit_int ) ) {
+ if ( false !== @ini_set( 'memory_limit', $filtered_limit ) ) {
+ return $filtered_limit;
+ } else {
+ return false;
+ }
+ } elseif ( -1 === $wp_max_limit_int || $wp_max_limit_int > $current_limit_int ) {
+ if ( false !== @ini_set( 'memory_limit', $wp_max_limit ) ) {
+ return $wp_max_limit;
+ } else {
+ return false;
+ }
+ }
+
+ return false;
+}
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