3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i<10;$i++){ echo $i ."\n"; }
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16, 5.5.0
Parse error: syntax error, unexpected ')', expecting ';' in /in/sTUhb on line 3
Process exited with code 255.

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