3v4l.org

run code in 300+ PHP versions simultaneously
<?php $functionName = 'MyFunction'; ${$functionName} = function() { echo 'called.'; } MyFunction();
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected 'MyFunction' (T_STRING) in /in/MAIJv on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING in /in/MAIJv on line 7
Process exited with code 255.
preferences:
166.69 ms | 1395 KiB | 53 Q