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run code in 300+ PHP versions simultaneously
<?php abstract class Foo { abstract public function fooFunc(); } class Bar extends Foo { public function fooFunc() { return 'hello'; } } $callable = array(new Bar, 'fooFunc'); var_dump(is_callable($callable)); var_dump(call_user_func($callable));
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 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 - 8.2.19, 8.3.0 - 8.3.7
bool(true) string(5) "hello"
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/QEReI 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_CLASS in /in/QEReI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/QEReI on line 3
Process exited with code 255.
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