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run code in 300+ PHP versions simultaneously
<?php class A { private $foo = 'old'; public function getFoo() { return $this->foo . "\n"; } } $a = new A; $f = function () { $this->foo = 'new'; }; echo $a->getFoo(); $f->bindTo($a, get_class($a)); $f(); echo $a->getFoo();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
old Fatal error: Uncaught Error: Using $this when not in object context in /in/felWl:9 Stack trace: #0 /in/felWl(16): {closure}() #1 {main} thrown in /in/felWl on line 9
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
old Fatal error: Using $this when not in object context in /in/felWl on line 9
Process exited with code 255.
Output for 5.3.0 - 5.3.29
old Fatal error: Call to undefined method Closure::bindTo() in /in/felWl on line 15
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/felWl on line 8
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/felWl on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/felWl on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/felWl on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/felWl on line 3
Process exited with code 255.

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