3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $a = array('a', 'b', 'c', 'd'); foreach ($a as &$v) { } foreach ($a as $v) { } print_r($a);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected '<', expecting end of file in /in/vr39j on line 3
Process exited with code 255.

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