3v4l.org

run code in 300+ PHP versions simultaneously
<?php unset $x[100000000000000000000000000000000000000000000000000000000000000000000];
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '$x' (T_VARIABLE), expecting '(' in /in/aWhj1 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE, expecting '(' in /in/aWhj1 on line 2
Process exited with code 255.
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196.25 ms | 1395 KiB | 64 Q