3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null $b = false var_dump((is_null($a) xor $b)?true:false);
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '$b' (T_VARIABLE) in /in/v1Jsn on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/v1Jsn on line 4
Process exited with code 255.
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186.38 ms | 1395 KiB | 64 Q