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<?php class PushAndPull { private $queue=array(); public function push($push) { array_push($this->$queue,$push); } public function pull() { return array_shift($this->$queue); } } $obj = new PushAndPull(); $obj->$queue(); $obj->push(1);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $queue in /in/04MOc on line 22 Fatal error: Uncaught Error: Method name must be a string in /in/04MOc:22 Stack trace: #0 {main} thrown in /in/04MOc on line 22
Process exited with code 255.

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