3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; define('Foo\\TRUE', \false, \true); define('Foo\\TRUE', \true, \true); if (true) { echo "TRUE"; } else { echo "FALSE!!!"; } if (false) { echo "TRUE!!!"; } else { echo "FALSE"; }

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44.81 ms | 402 KiB | 5 Q