Also I wish it was possible to extend (and perhaps to define) classes via variable values:
class $myParser extends $wgParserConf['class'] { ... } $wgParserConf['class'] = $myParser;
Such way, multiple extensions could nest (override) default class. Even monkey patching is not so much needed then. Should probably be possible via eval(), however eval() is a hacky way. Perhaps a great idea for PHP 5.5. Dmitriy