base64_encode

(PHP 3, PHP 4, PHP 5)

base64_encode -- Encodes data with MIME base64

Description

string base64_encode ( string data )

Encodes the given data with base64.

This encoding is designed to make binary data survive transport through transport layers that are not 8-bit clean, such as mail bodies.

Base64-encoded data takes about 33% more space than the original data.

The encoded data, as a string.

Example 1. base64_encode() example


<?php
$str = 'This is an encoded string';
echo base64_encode($str);
?>

The above example will output:

VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==