3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Hex1 = '880f16b'; $Hex2 = '989b7f5'; $Added = $Hex1 . $Hex2; // = 880f16b989b7f5 echo $Added;
Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
880f16b989b7f5
preferences:
210.16 ms | 404 KiB | 248 Q