PHP | base_convert( ) Math Function

The base_convert() function in PHP is used to convert a number given in an arbitary base to a 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.
The case of the letters is not sensitive.

Syntax:

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

Parameters Used: This function accepts three parameters and are described below:

1. $inpNumber : It is the number to be converted.
2. $fromBase : It is the original base of the number.
3. $desBase : It is the base to which you want to convert.

Return Value: It returns a string which reperesents the number converted to the desired base.

Examples:

Input : base_convert(B296, 16, 8)
Output : 131226

Input : base_convert(B296, 16, 2)
Output : 1011001010010110

Input : base_convert(621, 8, 16)
Output : 191

Input : base_convert(110011, 2, 16)
Output : 33

Below programs illustrate the base_convert() function in PHP:

• Converting hexadecimal to octal:
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  <?php    $hexadec = "B296";  echo base_convert($hexadec, 16, 8);    ?>

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  Output:

  131226

• Converting hexadecimal to binary:
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  <?php    $hexadec = "B296";  echo base_convert($hexadec, 16, 2);    ?>

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  Output:

  1011001010010110

• Converting octal to hexadecimal:
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  <?php    $octal = "621";  echo base_convert($octal, 8, 16);    ?>

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  Output:

  191

• Converting binary to hexadecimal:
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  <?php    $binary = "110011";  echo base_convert($binary, 2, 16);    ?>

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  Output:

  33

Reference:
http://php.net/manual/en/function.base-convert.php

Shubrodeep Banerjee

I am a technology enthusiast who has a keen interest in programming I am pursuing Engineering in Computer Science from GEU, Dehradun I like to unwind by watching movies and English sitcomsI have a keen interest in music