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run code in 200+ php & hhvm versions
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<?php class Foo { function escape($str) { return '`' . $str . '`'; } function bar() { $str = 'hello world !'; $cb = array($this, 'escape'); return preg_replace_callback('~\w+~', function($m) use ($cb) { return call_user_func($cb, $m[0]); }, $str); } } $foo = new Foo(); echo $foo->bar();
based on l35Ds
Output for 5.3.0 - 7.3.0beta1
`hello` `world` !
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/O7EKD on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/O7EKD on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/O7EKD on line 14
Process exited with code 255.