Base64_encode and UrlEncode string encryption methods in PHP _php tutorial

This article introduced about the use of PHP Ase64_encode and UrlEncode to the string for simple encryption, is also a more common method, the need for students to refer to this article Oh.

Base64_decode
Decodes the BASE64 encoded string.

Syntax: String Base64_decode (string encoded_data);

return value: String

Function type: Encoding processing

Content Description

This function is decoded as a MIME BASE64 encoded string. The decoded string may be a Chinese string or other binary data.

Cases

The code is as follows	Copy Code
$str = ' vghpcybpcybhbiblbmnvzgvkihn0cmluzw== '; echo Base64_decode ($STR); ?>

Str UrlEncode ($string)
This feature is handy for encoding strings when you want to pass variables to the next page as part of the URL's query as a convenient method.

I wrote this simple function to create a Get query URL () from an array:

The code is as follows	Copy Code
$query _string = ' foo= '. UrlEncode ($foo). ' &bar= '. UrlEncode ($bar); Echo '; ?>

Look at a two comprehensive function.

The code is as follows	Copy Code
$encryption = "username"; echo Base64_encode ($encryption);//echo "dxnlcm5hbwu="; echo " "; echo UrlEncode ("http://". $encryption);//echo "Http%3a%2f%2fusername"; echo " "; Echo SHA1 ($encryption);//echo "249ba36000029bbe97499c03db5a9001f6b734ec" echo " "; ?>

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