base64_encode

(PHP 3, PHP 4, PHP 5)

base64_encode -- Encodes data with MIME base64

Beskrivelse

string base64_encode ( string data )

Encodes the given data 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.

Parameterliste

data

The data to encode.

Returneringsværdier

The encoded data, as a string.

Eksempler

Eksempel 1. base64_encode() example

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

Ovenstående eksempel vil udskrive:

VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==

Se også

base64_decode()
chunk_split()
convert_uuencode()
RFC 2045 section 6.8