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PHP base_convert() Function

< PHP Math Reference

Example

Convert a hexadecimal number to octal number:

<?php
$hex = "E196";
echo base_convert($hex,16,8);
?>

Definition and Usage

The base_convert() function converts a number from one number base to another.

Syntax

base_convert(number,frombase,tobase);

Parameter	Description
number	Required. Specifies the number to convert
frombase	Required. Specifies the original base of number. Has to be between 2 and 36, inclusive. Digits in numbers with a base higher than 10 will be represented with the letters a-z, with a meaning 10, b meaning 11 and z meaning 35
tobase	Required. Specifies the base to convert to. Has to be between 2 and 36, inclusive. Digits in numbers with a base higher than 10 will be represented with the letters a-z, with a meaning 10, b meaning 11 and z meaning 35

Technical Details

Return Value:	The number converted to the specified base
Return Type:	String
PHP Version:	4+

More Examples

Example 1

Convert an octal number to a decimal number:

<?php
$oct = "0031";
echo base_convert($oct,8,10);
?>

Example 2

Convert an octal number to a hexadecimal number:

<?php
$oct = "364";
echo base_convert($oct,8,16);
?>

< PHP Math Reference