3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo str_pad('38299339999', 8, '0', STR_PAD_LEFT);
Output for 8.2.31 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
38299339999
preferences:
42.24 ms | 763 KiB | 4 Q