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hexdec

(PHP 4, PHP 5)

hexdecHexadecimal to decimal

Description

number hexdec ( string $hex_string )

Returns the decimal equivalent of the hexadecimal number represented by the hex_string argument. hexdec() converts a hexadecimal string to a decimal number.

hexdec() will ignore any non-hexadecimal characters it encounters.

Parameters

hex_string

The hexadecimal string to convert

Return Values

The decimal representation of hex_string

Changelog

Version Description
4.1.0 The function can now convert values that are too big for the platforms integer type, it will return the value as float instead in that case.

Examples

Example #1 hexdec() example

<?php
var_dump
(hexdec("See"));
var_dump(hexdec("ee"));
// both print "int(238)"

var_dump(hexdec("that")); // print "int(10)"
var_dump(hexdec("a0")); // print "int(160)"
?>

See Also

PHP Manual