3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("FOR","ha"); for($i=0;$i<10;$i++){ echo for; }
Output for 5.4.0 - 5.4.21, 5.5.0 - 5.5.5
Parse error: syntax error, unexpected 'for' (T_FOR) in /in/ucUi8 on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_FOR in /in/ucUi8 on line 6
Process exited with code 255.
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171.29 ms | 1395 KiB | 63 Q