PHP base_convert()Functions

PHP Math 参考手册PHP Math Reference Manual

Examples

Convert hexadecimal number to octal number:

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

Run example »

Definition and Usage

The base_convert() function converts a number between arbitrary bases.


Syntax

base_convert(number,frombase,tobase);

Parameters Description
number Required. Specifies the number to convert.
frombase Required. Specifies the original base of the number. Between 2 and 36 (inclusive). Numbers higher than decimal are represented by letters a-z, for example a represents 10, b represents 11, and z represents 35.
tobase Required. Specifies the base to convert to. Between 2 and 36 (inclusive). Numbers higher than decimal are represented by letters a-z, for example a represents 10, b represents 11, and z represents 35.

Technical Details

Return value: numberConverted to the specified base.
Return type: String
PHP Version: 4+


实例s

More Examples

Example 1

Convert octal number to decimal number:

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

Run example »

Example 2

Convert octal number to hexadecimal number:

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

Run example »


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