3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [23, 21, 83, 195, 1, 293]; usort($a, function($v1, $v2) { return $v1 <=> $v2; })
Output for 7.0.0 - 7.0.1
Parse error: syntax error, unexpected end of file in /in/tKOnW on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '>' in /in/tKOnW on line 6
Process exited with code 255.
preferences:
167.69 ms | 1395 KiB | 25 Q