wp_match_mime_types( string|array $wildcard_mime_types, string|array $real_mime_types )
Check a MIME-Type against a list.
Description
If the wildcard_mime_types parameter is a string, it must be comma separated list. If the real_mime_types is a string, it is also comma separated to create the list.
Parameters
- $wildcard_mime_types
-
(Required) Mime types, e.g. audio/mpeg or image (same as image/*) or flash (same as *flash*).
- $real_mime_types
-
(Required) Real post mime type values.
Return
(array) array(wildcard=>array(real types)).
Source
File: wp-includes/post.php
function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) {
$matches = array();
if ( is_string( $wildcard_mime_types ) ) {
$wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) );
}
if ( is_string( $real_mime_types ) ) {
$real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) );
}
$patternses = array();
$wild = '[-._a-z0-9]*';
foreach ( (array) $wildcard_mime_types as $type ) {
$mimes = array_map( 'trim', explode( ',', $type ) );
foreach ( $mimes as $mime ) {
$regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) );
$patternses[][$type] = "^$regex$";
if ( false === strpos( $mime, '/' ) ) {
$patternses[][$type] = "^$regex/";
$patternses[][$type] = $regex;
}
}
}
asort( $patternses );
foreach ( $patternses as $patterns ) {
foreach ( $patterns as $type => $pattern ) {
foreach ( (array) $real_mime_types as $real ) {
if ( preg_match( "#$pattern#", $real ) && ( empty( $matches[$type] ) || false === array_search( $real, $matches[$type] ) ) ) {
$matches[$type][] = $real;
}
}
}
}
return $matches;
}
Changelog
| Version | Description |
|---|---|
| WP-2.5.0 | Introduced. |