* @return bool
*/
public static function isValidCode( $code ) {
- return
- // People think language codes are html safe, so enforce it.
- // Ideally we should only allow a-zA-Z0-9-
- // but, .+ and other chars are often used for {{int:}} hacks
- // see bugs 37564, 37587, 36938
+ static $cache = array();
+ if( isset( $cache[$code] ) ) {
+ return $cache[$code];
+ }
+ // People think language codes are html safe, so enforce it.
+ // Ideally we should only allow a-zA-Z0-9-
+ // but, .+ and other chars are often used for {{int:}} hacks
+ // see bugs 37564, 37587, 36938
+ $return =
strcspn( $code, ":/\\\000&<>'\"" ) === strlen( $code )
&& !preg_match( Title::getTitleInvalidRegex(), $code );
+ $cache[ $code ] = $return;
+ return $return;
}
/**