3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; strtolower(&$a); 1 instanceof StdClass; $this = "a";
Output for 5.4.0 - 5.4.22
Fatal error: Call-time pass-by-reference has been removed in /in/LIqNH on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Deprecated: Call-time pass-by-reference has been deprecated in /in/LIqNH on line 3 Fatal error: instanceof expects an object instance, constant given in /in/LIqNH on line 4
Process exited with code 255.
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181.88 ms | 1399 KiB | 58 Q