How to use base_convert() Function In PHP

The base_convert() function converts a given number to the desired base. Both the base should be between 2 and 32 and bases with digits greater than 10 are represented with letters a-z i.e 10 is represented as a, 11 is represented as b and 35 is represented as z.

Syntax:

string base_convert($inpNumber, $fromBase, $desBase)

Example:

PHP

<?php 
  
function hexToDec($hex) { 
    return base_convert($hex, 16, 10); 
} 
  
$hexNum = '634E24'; 
$decimalNum = hexToDec($hexNum); 
  
echo "Decimal Value: " . $decimalNum; 
  
?>

Output

Decimal Value: 6508068

Hexadecimal to Decimal Conversion in PHP

Given a Hexadecimal Number, and the task is to convert Hexadecimal to a Decimal Number using PHP.

Examples:

Input: hexNum = '1A'
Output: 

Input: hexNum = '634E24'
Output: 6508068

There are three different methods to convert Hexadecimal to Decimal number, these are:

Table of Content

Using hexdec() Function
Using base_convert() Function
Using for Loop

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Using hexdec() Function

Using for Loop

How to use base_convert() Function In PHP

PHP

Hexadecimal to Decimal Conversion in PHP

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