## Enabling debugging ``` // enable debugging messages phpQuery::$debug = 1; // enable extensive debugging messages // used to debug document loading errors from phpQuery::newDocument() phpQuery::$debug = 2; ``` ## Debugging methods ``` // debug inside chain pq('.foo')->dump()->...; pq('.foo')->dumpWhois()->...; pq('.foo')->dumpTree()->...; pq('.foo')->dumpDie()->...; ```