Learn the three main basic data types used in MySQL and how to utilize them to build a more effective dynamic web site. Lots of web developers use MySQL but not all of them harness the power of these features.
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This is by no means a complete list but it should help you convert ASP to PHP or the other way around. PHP has many more built in commands than ASP (VBScript), so several lines of code in ASP may convert so a single line in PHP. If you have a large application to move from ASP to PHP, the ASP Translator is a free web application that will save you hours of work. It converts comments, variables, if/then, loops, and many commands from ASP to PHP, all in your web browser.
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A PHP session variable is used to store information about, or change settings for a user session. Session variables hold information about one single user, and are available to all pages in one application.
An array can store one or more values in a single variable name.
The real power of PHP comes from its functions.
In PHP - there are more than 700 built-in functions available.
Looping statements in PHP are used to execute the same block of code a specified number of times.
Variables are used for storing values, such as numbers, strings or function results, so that they can be used many times in a script.
You cannot view the PHP source code by selecting “View source” in the browser - you will only see the output from the PHP file, which is plain HTML. This is because the scripts are executed on the server before the result is sent back to the browser.
This tutorial will not explain how to install PHP, MySQL, or Apache Server.
If your server supports PHP - you don’t need to do anything! You do not need to compile anything or install any extra tools - just create some .php files in your web directory - and the server will parse them for you. Most web hosts offer PHP support.
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A PHP file may contain text, HTML tags and scripts. Scripts in a PHP file are executed on the server.
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