3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dir = new RecursiveDirectoryIterator(__DIR__); $it = new RecursiveCallbackFilterIterator($dir, function a() {return true;}); var_dump($it);
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected 'a' (T_STRING), expecting '(' in /in/dc6d5 on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting '(' in /in/dc6d5 on line 5
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/dc6d5 on line 5
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/dc6d5 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/dc6d5 on line 5
Process exited with code 255.
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209.1 ms | 1394 KiB | 121 Q