3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 0xFF + 00xFFFF;
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected 'xFFFF' (T_STRING), expecting ',' or ';' in /in/epGXU on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING, expecting ',' or ';' in /in/epGXU on line 2
Process exited with code 255.
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175.31 ms | 1395 KiB | 61 Q