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base64_encode

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

Encodes data with MIME base64

Description

base64_encode(string $string): string

Encodes the given string 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.

php

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

The above example will output:

output

VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==