Description
string
base64_encode ( 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 <?php $str = 'This is an encoded string'; echo base64_encode($str); ?> |
This example will produce : VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw== |
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See also base64_decode(), chunk_split() and RFC 2045 section 6.8.