PHP base64_encode()
base64_encode — Encodes data with MIME base64
Function
string base64_encode ( string $data );
Parameters
$data - The data to encode.
Return values
The encoded data, as a string or FALSE on failure.
Example
<?php $str = 'base64 encoded string'; echo base64_encode($str); ?>
Github
https://github.com/base64encode/examples/blob/master/base64encode.php
See also:
PHP base64_decode