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run code in 300+ PHP versions simultaneously
<?php // unsilenced class Fooable { public function foo($a, $b, $c) {} } // silenced @([function () { class ExtendedFooable extends Fooable { public function foo($d) {} } }][0])();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Declaration of ExtendedFooable::foo($d) must be compatible with Fooable::foo($a, $b, $c) in /in/bm0oR on line 11
Process exited with code 255.
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
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/bm0oR on line 13
Process exited with code 255.
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