PHP base_convert() Function
Example
Convert a hexadecimal number to octal number:
<?php
$hex = "E196";
echo base_convert($hex,16,8);
?>
Try it Yourself »
Definition and Usage
The base_convert() function converts a number from one number base to another.
Syntax
base_convert(number,frombase,tobase);
Parameter Values
| 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
Convert an octal number to a decimal number:
<?php
$oct = "0031";
echo base_convert($oct,8,10);
?>
Try it Yourself »
Example
Convert an octal number to a hexadecimal number:
<?php
$oct = "364";
echo base_convert($oct,8,16);
?>
Try it Yourself »
❮ PHP Math Reference
