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run code in 300+ PHP versions simultaneously
<?php class Foo { function escape($str) { return '`' . $str . '`'; } function bar() { $str = 'hello world !'; return preg_replace_callback('~\w+~', function($m){ return $this->escape($m[0]); }, $str); } } $foo = new Foo(); echo $foo->bar();
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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
`hello` `world` !
Output for 5.3.0 - 5.3.29
Fatal error: Using $this when not in object context in /in/7Dchp on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/7Dchp on line 13
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/7Dchp on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/7Dchp on line 13
Process exited with code 255.
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265.26 ms | 401 KiB | 356 Q