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Описание

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.

Список параметров

hex_string: The hexadecimal string to convert

Возвращаемые значения

The decimal representation of hex_string

Список изменений

Версия	Описание
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.

Примеры

Пример #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)"
?>

Смотрите также

dechex() - Decimal to hexadecimal
bindec() - Binary to decimal
octdec() - Octal to decimal
base_convert() - Convert a number between arbitrary bases