PHP 4, PHP 5, PHP 7, PHP 8
base64_encode - Encodes data with MIME base64
base64_encode( string$string ): 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.
The data to encode.
The encoded data, as a string.
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