Encodes data with MIME base64 – PHP

$string = "123456abcdef";
echo base64_encode($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.

Use this to create Base64 encoded string of a given string: