3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sum = function ($a, $b) { return $a + $b; } echo '5 + 4 = ' . $sum(5, 4);
Output for 5.4.0 - 5.4.12
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/SFn4U on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.22
Parse error: syntax error, unexpected T_ECHO in /in/SFn4U on line 7
Process exited with code 255.
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178.75 ms | 1395 KiB | 43 Q