3v4l.org

run code in 300+ PHP versions simultaneously
<?php public function foo(\DateTime $a, \DateTime $b = null) { return; } foo(null, null);
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected 'public' (T_PUBLIC) in /in/WapfA on line 3
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_PUBLIC in /in/WapfA on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PUBLIC in /in/WapfA on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_FUNCTION in /in/WapfA 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_FUNCTION in /in/WapfA on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WapfA on line 3
Process exited with code 255.

preferences:
228.9 ms | 1386 KiB | 124 Q