PHP → Tips and Tutorials → Development

Checking Data

This article discusses three basic steps that can be taken to avoid creating bad code: ensuring that you can trust your input by verifying the input you receive from users, manipulating that input data carefully, and providing the appropriate people ...

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Top 21 PHP Programming Mistakes - Part 2: Seven Serious Mistakes

In this second part of the series, it describes 7 common mistakes in PHP programming that will lead to drastically slower run times and less secure scripts, in addition to less maintainable code. Topics covered: Not Following Basic Naming Conventions...

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  • Linux
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Top 21 PHP progamming mistakes - Part I: Seven Textbook Mistakes

This article is intended for the PHP programmer interested in avoiding some of the most common mistakes when applying PHP. This first part of the article series presents a list of 7 mistakes that while not critical, will lead to slower and less maint...

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  • Linux
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COM Functions in PHP4 (Windows)

The built-in COM functionality of PHP4 is quite attractive for some of us programming in the win32 environment. So far, there is not much documentation on the subject. This short article will explain how to use COM in real PHP4 programming with three...

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  • Linux
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Back To Class

Classes and objects are powerful OOP concepts - and PHP4 supports them too. This article explains some basic OO entities (including classes, constructors and extensibility) with examples of a table builder and a guestbook.

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Introduction to Control Structures

Control structures are some of the coolest things in PHP. They take a lot of the work off of your shoulders and place the burden on the language itself. They are especially useful for making sites where you need to make a page do something over and o...

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Creating dynamic dropdown lists in mySQL

This tutorial describes how to build a basic admin interface to allow you to add and delete users from the browser instead of having to Telnet into the mySQL monitor and do it manually. Main function dealt here is to create a dynamic drop down list p...

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  • Linux
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Session Handling with PHP 4

Unlike PHP 3, PHP 4.0 has built-in capabilities to handle session management. The session management functionality in PHP 4.0 is easy to use, powerful and open for custom modifications. Creating sessions allows you to keep track of the actions of a p...

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An Introduction to Classes

This tutorial teaches you how to write and use classes, to make your PHP code more flexible and easier to manage. The tutorial guides you through the construction of a simple, security-related class that performs some basic security functions for a w...

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  • Linux
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Using Strings

A large portion of Web programming requires strings to be handled and generated, so knowing how to use and handle strings properly is extremely important for PHP programmers. This tutorial starts with the simple constructs used to create strings and ...

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  • Linux
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