3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a($a) { print "a says $a}n"; $b = function($b) { } } a("foo");
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Parse error: syntax error, unexpected '}' in /in/ReW0u on line 8
Process exited with code 255.
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175.62 ms | 1395 KiB | 66 Q