3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tempID = "1234512312345"; $firsttwodigits = substr($tempID, 0, 2); $secondtwodigits =substr($tempID, 2, 4); echo $firsttwodigits; echo $secondtwodigits; ?>

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65.96 ms | 402 KiB | 5 Q