3v4l.org

run code in 300+ PHP versions simultaneously
<?php $goal = 'g'; function g($str = null){ echo "pwat"; $g = function ($str = null){ echo "pwet"; }; return $g; } return g()()();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
pwatpwet Fatal error: Uncaught Error: Value of type null is not callable in /in/lD5Af:13 Stack trace: #0 {main} thrown in /in/lD5Af on line 13
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
pwatpwet Fatal error: Uncaught Error: Function name must be a string in /in/lD5Af:13 Stack trace: #0 {main} thrown in /in/lD5Af on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/lD5Af on line 13
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/lD5Af on line 7
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/lD5Af on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lD5Af on line 7
Process exited with code 255.

preferences:
246.78 ms | 401 KiB | 455 Q