public static function isFunc($funcName) { return is_callable($funcName) || is_string($funcName) && function_exists($funcName) && is_callable($funcName); }
/** * Stop profiler */ public function stop() { $this->_endTime = microtime(true); $this->tick(); if (Sys::isFunc('unregister_tick_function')) { unregister_tick_function(array($this, 'tick')); } }