3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("False", true); if not (FALSE) { echo "TRUE"; } else { echo "FALSE"; }
Output for 5.4.0 - 5.4.8
Parse error: syntax error, unexpected 'not' (T_STRING), expecting '(' in /in/GvO2k on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.18
Parse error: syntax error, unexpected T_STRING, expecting '(' in /in/GvO2k on line 5
Process exited with code 255.
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