hexdec
(PHP 4, PHP 5)
hexdec — Hexadecimal to decimal
說明
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.
參數
- hex_string
-
The hexadecimal string to convert
Return值
The decimal representation of hex_string
更新日誌
| 版本 | 說明 |
|---|---|
| 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. |
範例
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)"
?>