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<?php
class LinkAttributes {
private static $attrsAllowed=array( 'rel', 'rev', 'charset ', 'type', 'hreflang', 'itemprop', 'media', 'title', 'accesskey', 'target' );
private function doExtractAttributes ( &$text, &$attribs ) {
global $wgRequest;
if ( $wgRequest->getText( 'action' ) == 'edit' ) {
return false;
}
/* No user input */
if ( null === $text )
return false;
/* Extract attributes, separated by | or ¦. /u is for unicode, to recognize the ¦.*/
$arr = preg_split( '/[|¦]/u', $text );
$text = array_shift( $arr );
foreach ( $arr as $a ) {
$pair = explode( '=', $a );
/* Only go ahead if we have a aaa=bbb pattern, and aaa i an allowed attribute */
if ( isset( $pair[1] ) && in_array( $pair[0], self::attrsAllowed ) ) {
/* Add to existing attribute, or create a new */
if ( isset( $attribs[$pair[0]] ) ) {
$attribs[$pair[0]] = $attribs[$pair[0]] . ' ' . $pair[1];
} else {
$attribs[$pair[0]] = $pair[1];
}
}
}
return true;
}
public function ExternalLink ( &$url, &$text, &$link, &$attribs ) {
self::doExtractAttributes ( $text, $attribs );
return true;
}
public function InternalLink ( $skin, $target, &$text, &$customAttribs, &$query, &$options, &$ret ) {
self::doExtractAttributes ( $text, $customAttribs );
return true;
}
}
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