3v4l.org

run code in 300+ PHP versions simultaneously
<?php foreach ($i = 1, $i <= 10, $i++) { echo $i; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.24
Parse error: syntax error, unexpected ',' in /in/Yu0GC on line 3
Process exited with code 255.

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