PHP: base_convert() function

Last update on August 19 2022 21:51:15 (UTC/GMT +8 hours)

Description

The base_convert() function is used to convert a number from one base to another.

Version:

(PHP 4 and above)

Syntax:

base_convert (cstring, initial_base, change_base )

Parameters:

Name	Description	Required / Optional	Type
cstring	The number to convert.	Required	String
initial_base	The initial base.	Required	integer
new_base	The base to convert to.	Required	integer

Note: Both initial_base and new_base have to be between 2 and 36, inclusive. Digits in numbers with a base higher than 10 will be represented by the letters a-z, with a meaning 10, b meaning 11 and z meaning 35.

Return value:

cstring converted to base new_base.

Value Type: String.

Example:

In the following example base_convert() function converts an hexa number to octal number.

<?php
$hexa = 'E164';
echo base_convert($hexa, 16, 8);
?>

Output:

View the example function in the browser

See also

PHP Function Reference

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