(PHP 3, PHP 4 )
base64_encode -- Encodes data with MIME base64
( string data)
base64_encode() returns data encoded 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.
Example 1. base64_encode() example
$str = 'This is an encoded string';
This example will produce :
See also base64_decode(), chunk_split() and RFC 2045 section 6.8.