3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string='I will be converted to hexa'; var_dump(unpack('H10',$string)); var_dump(unpack('H*',$string)); var_dump(bin2hex($string));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.26, 8.4.1 - 8.4.13
array(1) { [1]=> string(10) "492077696c" } array(1) { [1]=> string(54) "492077696c6c20626520636f6e76657274656420746f2068657861" } string(54) "492077696c6c20626520636f6e76657274656420746f2068657861"
preferences:
129.16 ms | 408 KiB | 5 Q