PHP Functions Essential Reference

base64_encode

string base64_encode(string data) 

Encodes data with base64 encoding.

Returns:

Base64-encoded string; FALSE if the argument passed has no length when converted to a string

Description:

base64_encode() encodes data using the Base64 algorithm and returns the encoded data.

Note:

Base64 encoding is used to encode data before it’s transferred across legacy email systems that only support 7-bit ASCII. For more information on base64, refer to RFC 2045.

Availability:

UNIX, Windows

Version:

3+, 4+

See also:

base64_decode() 

Example:

Use base64_encode() to create a simple MIME mail function

function simple_mime_mail ($to, $subject, $message) { // Find out how many arguments were passed to the function $num_args = func_num_args (); // ...