/* Protected Static Members */
- /** @var array List of common image files extensions and mime-types */
+ /** @var array List of common image files extensions and MIME-types */
protected static $mimeTypes = array(
'gif' => 'image/gif',
'jpe' => 'image/jpeg',
*/
public static function getMimeType( $file ) {
$realpath = realpath( $file );
- // Try a couple of different ways to get the mime-type of a file, in order of
- // preference
if (
$realpath
&& function_exists( 'finfo_file' )
&& function_exists( 'finfo_open' )
&& defined( 'FILEINFO_MIME_TYPE' )
) {
- // As of PHP 5.3, this is how you get the mime-type of a file; it uses the Fileinfo
- // PECL extension
return finfo_file( finfo_open( FILEINFO_MIME_TYPE ), $realpath );
- } elseif ( function_exists( 'mime_content_type' ) ) {
- // Before this was deprecated in PHP 5.3, this was how you got the mime-type of a file
- return mime_content_type( $file );
- } else {
- // Worst-case scenario has happened, use the file extension to infer the mime-type
- $ext = strtolower( pathinfo( $file, PATHINFO_EXTENSION ) );
- if ( isset( self::$mimeTypes[$ext] ) ) {
- return self::$mimeTypes[$ext];
- }
}
+
+ // Infer the MIME-type from the file extension
+ $ext = strtolower( pathinfo( $file, PATHINFO_EXTENSION ) );
+ if ( isset( self::$mimeTypes[$ext] ) ) {
+ return self::$mimeTypes[$ext];
+ }
+
return false;
}
$remote = substr( $remote, 0, -1 );
}
- // Replace all comments by a placeholder so they will not interfere
- // with the remapping
- // Warning: This will also catch on anything looking like the start of
- // a comment between quotation marks (e.g. "foo /* bar").
+ // Replace all comments by a placeholder so they will not interfere with the remapping.
+ // Warning: This will also catch on anything looking like the start of a comment between
+ // quotation marks (e.g. "foo /* bar").
$comments = array();
$placeholder = uniqid( '', true );
$source = preg_replace_callback(
$pattern,
- function ( $matchOuter ) use ( $local, $remote, $embedData ) {
+ function ( $matchOuter ) use ( $local, $remote, $embedData, $placeholder ) {
$rule = $matchOuter[0];
- // Check for global @embed comment and remove it
+ // Check for global @embed comment and remove it. Allow other comments to be present
+ // before @embed (they have been replaced with placeholders at this point).
$embedAll = false;
- $rule = preg_replace( '/^(\s*)' . CSSMin::EMBED_REGEX . '\s*/', '$1', $rule, 1, $embedAll );
+ $rule = preg_replace( '/^((?:\s+|' . $placeholder . '(\d+)x)*)' . CSSMin::EMBED_REGEX . '\s*/', '$1', $rule, 1, $embedAll );
// Build two versions of current rule: with remapped URLs
// and with embedded data: URIs (where possible).