3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' =>, 'b' => 2); echo $arr['a'] ? $arr['a'] : $arr['b'];
Output for 5.3.0 - 5.3.22, 5.3.24, 5.4.0 - 5.4.12, 5.4.14
Parse error: syntax error, unexpected ',' in CtvZ7 on line 2
Process exited with code 255.
Output for 5.3.23, 5.4.13
Parse error: syntax error, unexpected ',' in /in/0LWRG on line 2
Process exited with code 255.
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169.54 ms | 1395 KiB | 47 Q