3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '0x' . bin2hex(inet_pton('2607:400:0:1f3::1:6')), 16, 10;
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
0x26070400000001f300000000000100061610
preferences:
136.77 ms | 407 KiB | 5 Q