PHP hexdec() Function

❮ PHP Math Reference

Example

Convert hexadecimal to decimal:

<?php
echo hexdec("1e") . "<br>";
echo hexdec("a") . "<br>";
echo hexdec("11ff") . "<br>";
echo hexdec("cceeff");
?>
Try it Yourself »

Definition and Usage

The hexdec() function converts a hexadecimal number to a decimal number.

Tip: To convert decimal to hexadecimal, look at the dechex() function.


Syntax

hexdec(hex_string);

Parameter Values

Parameter Description
hex_string Required. Specifies the hexadecimal string to convert

Technical Details

Return Value: The decimal value of hex_string
Return Type: Float / Integer
PHP Version: 4+

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