3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "heloo"; ?.
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '?' in /in/anQlj on line 3
Process exited with code 255.

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191 ms | 1395 KiB | 67 Q