3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = true; $b = false; $a &!= $b; var_dump($a);
Output for 5.4.0 - 5.4.17, 5.5.0 - 5.5.1
Parse error: syntax error, unexpected '!=' (T_IS_NOT_EQUAL) in /in/tlsgQ on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_IS_NOT_EQUAL in /in/tlsgQ on line 6
Process exited with code 255.
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179.81 ms | 1395 KiB | 55 Q