3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Output for 4.3.0 - 5.6.0rc2, 5.7@20140507, 5.7@20140521, 5.7@20140701, hhvm-3.0.1, hhvm-3.1.0, hhvm-3.2@0529'; echo preg_replace('/.*/', '0', $str);

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60.72 ms | 402 KiB | 5 Q