Start programming in PHP. Learn what PHP is and how it integrates with HTML, and the major features of the PHP language.
Learn how to store persistent PHP session data in a SQL server and create an auto-login system that recognizes returning users.
Learn how to load, extract, and manipulate data from XML documents with the SimpleXML extension for PHP.
Learn to use the intricate and sometimes underused capabilities of PHP's date and time functions to create, format, calculate, and compare dates and times.
Explore solutions to common PHP programming challenges, and then compare the results with other programming languages in the Code Clinic series.
Learn how to use the iterators and data structures in the Standard PHP Library to traverse, filter, and sort data.
Learn how to access and manipulate databases using the object-oriented PHP extensions PDO and MySQLi.
Develop a PHP class that requires only a few lines of code to handle single- and multi-file uploads both flexibly and securely.
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