PHP Base64_decode and base64_encode_php Tutorials

PHP Base64_decode and Base64_encode

Base64_decode
(PHP 4, PHP 5)

Base64_decode-BASE64 encoded mime of decoded data

Describe
String Base64_decode (String $ data [, Boolean $ strict = false])
Decodes a BASE64 encoded data.

Parameters

Data
Encoded data.

Strict
Returns False if the input contains a Base64 alphabet other than the character.


return value
Failed to return raw data or false. The returned data may be binary.

Modify

Release Notes
5.2.0 a strict supplement


Instance

Example # 1 Base64_decode () example

$str = ' vghpcybpcybhbiblbmnvzgvkihn0cmluzw== ';
echo Base64_decode ($STR);
?>
The above example would output:

This is an encoded string

Base64_encode
(PHP 4, PHP 5)

Base64_encode-Base64 with MIME-encoded data

Describe
String Base64_encode (string $ data)
Encode specific data for Base64.

This encoding is intended to enable binary data to survive transport through the transport layer and does not support 8-bit encoding, such as an e-mail organization.

The data that is BASE64 encoded takes approximately 33 more space than the original data.

Parameters

Data
This data is encoded.


return value
Encodes the data as a string.

Instance

Example # 1 Base64_encode () example

$str = ' This was an encoded string ';
echo Base64_encode ($STR);
?>
The above example would output:

vghpcybpcybhbiblbmnvzgvkihn0cmluzw==

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