RC4 is fairly fast, secure and symmetric encryption algorithm. Developed by Ron Rivest in 1987 was kept trade secret until 9th September 1994 when it was posted on a Cypherpunks mailing list. Generally the key it uses is limited to 40 bits for various legal reasons but 128bits is the more common forms these days. To prove it's strength products like Oracle Secure SQL are examples. It's symmetric meaning it uses the same key and steps as to encrypt when decrypting.
This class can be used to retrieve and parse e-mail messages from a POP3 or IMAP using the PHP IMAP extension.
It can connect to a mail server, retrieve the total number of messages in a mailbox, retrieve the headers, body and attachment files of a given message, and delete a message
PHPPDO is a database abstraction layer over the current PHP database functions, which aim is to offer a migration path for new applications to the PDO classes presented in PHP 5.1
A set of PHP classes and library functions to help facilitate building, debugging, and rendering of XML, HTML, XHTML, WAP/WML Documents, and SVG (Scalable Vector Graphics) images as well as complex html 'widgets' .
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