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MySQL in PHP - Running Some Queries
Continuing the process of adding access to a MySQL Database to our HTML pages, we now need to interact with the database we previously selected from the server to which we also previously connected.

Databases in PHP - MySQL in PHP
Having studied database basics and taken a look at the Structured Query Language, it's time to dig in. Now we take a look at the use of MySQL in PHP.

Saving Sessions in a File
How to save session information from one session to another.

Sessions
Sessions are a method storing and tracking data.

Cookies
Do you know how to make a decent batch of cookies?

Error Handling
Every programmer wants to practice effective error handling. Learn how to control the size and other aspects of file uploading on your server by error handling.

Uploading Files
Learn how to upload a file using php.

File System
One of the most useful features of a server side language is its ability to interface with the file system on the server that hosts the website. This feature clearly distinguishes the language from a client side language such as JavaScript. While JavaScript is sent down to the client's browser and is then interpreted on their computer, server side languages such as PHP are interpreted and resolved on the server, and only the end result is sent down to the client's browser. It is because of this fact that the language has the ability to interface with the files on the server. PHP has the ability to work with both text files and sophisticated database systems. This part of the tutorial discusses text files; we'll get into databases later.

Functions, Cont.
The usefulness of functions is greatly enhanced by the ability to pass information from the main body of code to the function and in the opposite direction, or between one function and another it is calling Values that are sent to a function are called arguments.

Passing Data
The usefulness of functions is greatly enhanced by the ability to pass information from the main body of code to the function and in the opposite direction, or between one function and another it is calling Values that are sent to a function are called arguments.

Functions
Learn how to define your own function and how to call a function. You'll also learn the variable scope.

Logic Flow
Do you want to learn about logic flow?

Expressions and Operators
Learn the ins and outs of Expressions and Operators.

Variables
Let's learn a little about Variables.

Processing the Form
Now it's time to process the order form.

Order Form
Learn how to build a simple order form and process it.

Introduction PHP
This PHP Tutorial Series starts with an introduction to PHP.

A Case for A Case
Simplify that Mountain of JavaScript validation code.

No Dotted Line On Links
You know that dotted box that appears around links and active images? Here's how to lose it.

Capturing a Key
The user presses a key, and something happens. Exactly what is up to you. This works across browsers and with all ASCII characters.