Hexdec () PHP Function

Definition: The Hexdec () PHP Function is used to convert a hexadecimal number into a decimal number. The function will ignore any non-hex characters it encounters. The opposite function Dechex () will convert a decimal into a hexadecimal number.

Also Known As: hexadecimal

Examples:

<?php
echo(hexdec(1) . "<br />");
echo(hexdec(e3e) . "<br />");
echo(hexdec(fffffff) . "<br />");
echo(hexdec(d7d) . "<br />");
?>

This will return:
1
3646
268435455
3453