3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a','b') if(array_key_exists('a',$a)){ echo 'true'; }
Output for 5.4.0 - 5.4.12
Parse error: syntax error, unexpected 'if' (T_IF) in NnVtp on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.22
Parse error: syntax error, unexpected T_IF in NnVtp on line 4
Process exited with code 255.

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