3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function foo() { $f = function() use ($this) { $this->bar(); }; $f(); } public function bar() { echo __METHOD__; } } $a = new A; $a->foo();
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Fatal error: Cannot use $this as lexical variable in /in/6Vbq2 on line 6
Process exited with code 255.
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168.24 ms | 1395 KiB | 67 Q