3v4l.org

run code in 300+ PHP versions simultaneously
<?php function sum( $a) { return function( $b) use ($a) { return $a + $b; } } echo sum(2)(3);
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Parse error: syntax error, unexpected '}' in /in/VJh2E on line 7
Process exited with code 255.
preferences:
181.09 ms | 1395 KiB | 66 Q