3v4l.org

run code in 300+ PHP versions simultaneously
<?php ${'foo'}() function foo(){ echo "wtf"; }
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected 'function' (T_FUNCTION) in /in/jHAEh on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_FUNCTION in /in/jHAEh on line 3
Process exited with code 255.
preferences:
180.42 ms | 1395 KiB | 60 Q