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getrandmax	hypot

	Last updated: Thu, 26 Jun 2008

hexdec

(PHP 4, PHP 5)

hexdec — Hexadecimal 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

Since 4.1.0 The function can now convert values that are to 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)"

?>