bin2hex in PHP

Syntax of bin2hex

string bin2hex(string binary)

Converts binary to a hexadecimal (base-16) value. Up to a 32-bit number, or 2,147,483,647 decimal, can be converted

Example of bin2hex

<?php 
$str = bin2hex("Hello World!");
echo($str); 
?>

48656c6c6f20576f726c6421