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<?php class a { public $i = 1; public function foo($num) { return ($num + 1); } public function increment() { if($quantity = $this->foo($this->i) > 0) { echo $this->i = ($quantity + 1); } } } $test = new a(); $a->increment(); $a->increment();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $a in /in/NVkrS on line 22 Fatal error: Uncaught Error: Call to a member function increment() on null in /in/NVkrS:22 Stack trace: #0 {main} thrown in /in/NVkrS on line 22
Process exited with code 255.

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