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PHP/MySQL: Most Popular Articles

These articles are the most popular over the last month.
Want to Redirect Your Website? Here's How to Do...
Sample code for creating a PHP redirection script to transfer users from one web page URL on your site to a new page URL or web site
Working With PHP Inside HTML
How to embed php into HTML, or put HTML inside PHP so you can use both on the same page of your website.
How to Tell Which Version of PHP You Have
Do you need to check what version of PHP your server is running? This simple tutorial shows you how.
How to Create Links in Your PHP Documents
Creating a link with PHP uses the same code as it dose in HTML, depending on where we are getting our information, and where in our file it is.
How Can I Fix A Database Connection Error?
Some common problems that can occur when trying to connect to a MySQL database, and give errors.
Understanding the MySQL Command: Limit
Limit the results of your MySQL query to results between a certain number range.
Understanding PHP Login Script
PHP code to create a login script - free code and tutorial to create a login script with PHP
A Quick Guide to Using PHP for Connections with...
How to access stored data from a MySQL database using PHP
How to Create a Simple Search Form with PHP...
This free tutorial teaches you how to search your site using php and mysql to give the site users instant search results. PHP and SQL. Page 3.
Uploading Files with PHP
Upload a file from your browser to your server using PHP in this step-by-step guide. On this page is an example of a piece of code used to upload files.
How to Gather Information with Server User...
$_SERVER['HTTP_USER_AGENT'] is used to retrieve information about the users browser and computer operating system, using PHP. Learn how with our tutorial.
What's the Difference Between a Cookie and a...
What is the difference between sessions and cookies in PHP?
How Do I Order MySQL Data?
How to sort your MySQL data using a SQL Order By statement
Need to Turn on PHP Error Reporting? Here's How
It is a lot easier to know what went wrong with your PHP script if you have a helpful error message instead of just a blank screen. This tutorial teaches you how to turn on error reporting.
A Beginner's Guide to Basic PHP Sessions
Once you have set a variable in a PHP session, this tutorial tells you how to retrieve it.
How to Execute PHP from an .html File
This tutorial explains how to execute php code in a file with a .html extention
Can You Read and Write in Binary?
What are binary numbers, and how do you read them
The Starting Steps to Learning PHP
Learn PHP programing free with our easy to understand online tutorials. Learn to make a website using PHP code online.
How to Store User Submitted Files and Data in...
How to insert data from a form into a MySQL database using PHP
Hello, World!
How to write a. PHP/MySQL.
How to Rename a Column in a MYSQL Database
How to change the name of a column in a MySQL database
How to Use the Print_r () PHP Function
Print_R is used to return an array in a human readable form in PHP
Saving User Uploads to MySQL
Upload a file from your website to your server, and write it's details to a MySQL database - Using PHP and SQL.
How to Build a Very Simple PHP Calendar
Learn how to generate a simple PHP calendar using our PHP calendar tutorial.
How to Use 'Pagination' to Easily View MySQL...
Use Pagination to display results of your MySQL query over multiple pages in PHP
How to Create a Countdown Timer for Website...
Create a simple countdown clock ticker in PHP using the mktime function.
An Introduction to Loops in PHP
Learn PHP from a simple web based tutorial. Learn to use the three types of loops - WHILE, FOR, and FOREACH loops in PHP programing. Page 3.
How and Why to Comment Your PHP Code
How and why to comment your code in PHP
Setting Up A Short URL Forward
Sometimes when you have a really long, unfriendly URL you want something shorter and easier to remember. We show you how to do this using a PHP redirect.
How to Get More Information From PHP
Use phpinfo to learn more about the version of PHP your server is running. PHPinfo command cans show you your PHP version, path, and specific settings.
Loading a Blank White Screen Instead of Your...
Common solutions to PHP problems - PHP page not loading, showing a blank or white screen
Backup and Restore MySQL Databases
Restore and upload your MySQL data using the backup you made and downloaded from a command prompt
Easily Create Tables in MySQL Using phpMyAdmin:...
How to create a MySQL database table using phpMyAdmin
Want to Use "is_numeric ()" Functions in PHP?...
The PHP function is_numeric is used to check if a variable is a number.
How to Create and Save PHP in Notepad
How to use Notepad to create and save PHP files
What is PHP Used For?
What is PHP Used For? Answers to this new programmer question.
A Beginner's Guide to Learning PHP
Learn PHP from a simple web based tutorial. Explore basic PHP syntax, using variables, operators and operands, and the use of conditional statements.
Does your website have PHP?
How to determine if your hosting runs PHP
10 Things Every Web Developer Should Be Doing...
Ten cool things you can do with PHP on your website, as well as tutorials of how to create these things.
How to Remove Columns from a Table with Drop...
How to remove (drop) a column from a table using MySQL with your SQL database.
How to Repair a MySQL Database with phpMyAdmin
How to repair a MySQL table using phpMyAdmin if you are getting errors or having trouble accessing it.
A Beginner's Guide to PHP and MySQL
This site explains what PHP and MySQL are as well as how to use them and how they can work together to create dynamic content for websites.
How to Install PHP in Mac OS X
How to install PHP onto your Mac OS X
MySQL Connect Files in PHP
When you have many pages requiring access to your MySQL database, it is a good idea to keep your connection login in a separate file, and call it from each of these PHP pages.
How to Learn SQL/MySQL Free (Guides and...
Just the basics you need to learn SQL code to use with your MySQL database. Free tutorial to learn MySQL.
How to Set and Use Cookies in PHP
Cookies are used to store information about a user on their computer. We can set cookies using PHP to track visitors, as shown in our tutorial.
PHP File Upload Security Ideas
Ideas to protect your website when you allow users to upload to your server.
How to Use a PHP Form to Collect User Data
Collect data from HTML forms to process with a PHP script as shown in our tutorial
How to Use the Show Tables SQL Command
The show tables SQL command is used to display all the tables in a MySQL database
Renaming PHP Uploads
How to rename files uploaded by users to your website before saving them to your server.
Installing MySQL on a Mac
How to install MySQL on your Apple computer
Want to Create a Template for Your Website?...
Site templates for easy updating with include files headers and footers using PHP
Managing Data in MySQL: A Quick How-To Guide
Add data to MySQL by using Insert Into SQL code as demonstrated in our tutorial
How to Display Today's Date on Your Website
An example of how to print the current date on a web page written in HTML using PHP
How to Use PHP to Write to a File
Using PHP to create a file on your server and write data to it
Session_start() PHP Function
The session_start() function is used at the beginning of all PHP pages utilizing sessions.
How to Create a Simple Address Book with PHP
Connect to MySQL for your online address book
How to Add Columns with MySQL Command
How to add a column to MySQL using the add column SQL command
How to Use "\$_SERVER" Functions in PHP
A free PHP tutorial explaining the difference between $_SERVER[’PHP_SELF’], $_SERVER[’SCRIPT_NAME’], and $_SERVER['REQUEST_URI']
How To Check Your PHP Version
Hot to check your PHP Version. PHP / MySQL.
Your PHP code can't be viewed by viewing the...
You can't see PHP code when you view a document source, you only see the HTML it outputs.
Why Use PHP?
The top three reasons why to use PHP on your website.
A Simple Guide to Writing Functions in PHP
Learn PHP from a simple web based tutorial. How to use functions in PHP, use the date function, or write your own functions. Learn Date function formatting. Page 3.
How to Use "SSI" to Include External Files in PHP
Include external files into a PHP file using the include or require commands
A Beginner's Guide to PHP
An absolute beginner's guide to writing and understanding their first PHP program.
Using TextEdit for PHP
TextEdit comes standard on an Apple Macintosh computer. By following these simple steps you can use this program to create and save PHP files.
Counting Outbound Clicks With PHP
This tutorial demonstrates how to use php and mysql to count which sites have the most click throughs on your site.
Need to Know What Your IP Is? Try This
This is a very short easy to understand tutorial about how do create a 'What is my IP' style script, to look up the users IP address as they visit the site
How to Use "Rand ()" PHP Functions to Generate...
Generating a random number in PHP with the rand () function, or generating a random number between two given parameters
Creating Thumbnails with PHP using the GD Library
In this tutorial we explore how to do this using imagecopyresized () and use imagecopyresampled. We also cover calling the image from the PHP file.
Is_string () PHP Function
The is_string php function is used to check if the value is a string. It will return true or false.
How To Generate a Unique ID
PHP code to generate a random unique user ID
Web Page Hit Counter
Free web page hit counter code for your website, for a simple free web site hit counter written in PHP.
How to change a column's size or type in MySQL
Just because you made a MySQL column one type or size doesn't mean that it has to stay that way. Learn how to change each column in MySQL.
The Advanced PHP Programmer's Guide to Everything
Understanding the preg_match PHP function and how to use it on your PHP website. Page 2.
A Practical PHP Form to Mail
How to send an email from a form on a website to your email using PHP
A Simple Rating System in PHP
A PHP script that allows you to give a 1-5 star ratings for items on your website.
2 Important Reasons to Use the Mail () Function
Using the PHP MAIL function to send form data to email. Page 3.
Show Databases SQL Command
Using the show databases SQL command to show all the databases on the MySQL server
How to Quickly Setup 'phpBB' on Your Website
How to install a phpBB web forum on your website - a tutorial for beginners
An Easy Guide to Using Functions That Read and...
How to open an external file with PHP and download its contents to use within your PHP file.
How To Create a Database in MySQL
How to create a new database in MySQL using SQL or phpmyadmin.
Learn PHP in 8 Weeks
In just a few minutes ever week, you can learn all the basics of PHP. This course is broken down into eight short lessons. In just eight weeks you will have a firm grasp of all the basic PHP concepts.
Understanding how SQL databases work
Learn MySQL from a simple web based tutorial. Learn and understand SQL code
Customizing phpBB's template
How to edit your phpBB template to have a custom look, or theme.
PHP CSS Switcher
Allow your users to change CSS style on your site, using PHP and Cookies
Store PHP Code in a MySQL Database
Store your PHP code in a MySQL database and call it when needed
Create a Link from a Database
How to retrieve a URL and text from a database and create a link on your website using PHP.
A Quick Guide to Using "Alter Table" Commands...
How to use the MySQL alter table command, and what to combine it with to do different things to your database.
How to Autogenerate Graphics and Images with GD...
You can use the GD Library in PHP to dynamically create images
Formatting Your PHP
How to make your PHP pages pretty with formatting
Websites in a mobile world
Making your website mobile friendly as a PHP programmer.
How to Connect PHP Files to a MySQL Database
How to connect to MySQL from a PHP file and execute commands.
How do I pass variables in the URL in PHP 5?
If you pass variables in the URL in PHP 4, the same scripts might not work in PHP 5 without some editing. Here is how to fix it.
Convert Temperature
Convert Temperature - Convert Fahrenheit to Celsius Temperature using a free php script. Page 2.
Why Don't I See My Code When I View Source?
When you view source on your PHP files, why can't you see your code?
Installing PHP on Linux
How to install Apache and PHP on your Linux computer
What is a Plain Text Editor?
Text editors are useful tools for programers and web designers, we can tell you what a text editor is and how to use one.
Calculating Area with PHP
How to create a PHP program to collect the length and width from the user and then calculate the area of the rectangle. A free PHP Tutorial.
How to Use the Modify SQL Command
Change the size of a MySQL column by using the Modify SQL command
Learn More About Your Server's PHP
The phpinfo () is used to gather lot of information about what is running on your PHP server.
Server Side Scripting
Server side scripting means that all of the code is executed on the server before the data is passed to the user's browser.
How tutorial of how to use GoTo in PHP to skip over code.
Connect to MySQL from PHP
How to connect to your MySQL database from a PHP document
How can I learn PHP?
A guide to how to get started learning PHP
PHP Flat File Counter
This tutorial shows you step by step how to create a flat file counter (no database) using PHP. Page 2.
Adding PHP to your website this year!
Add some new PHP to your website every month this year! PHP makes a great new year's resolution!
Simple PHP & MySQL Poll
This tutorial explains how to make a basic poll using PHP and MySQL, along with the GD Library to give a pie chart of the poll results.
Using MySQL with iOS
While there are multiple methods of storing local data in an iOS app, sometimes the data already exists in one of your databases
Detect a User's IP Address
Record a user's IP address using this free PHP script.
How to Setup PHP Error Reporting in MySQL
How to report an error into PHP from MySQL when your SQL code has errors
Show Columns - MySQL Command
The show columns command is used to display all the columns for a given table and their details.
Use - SQL Command
Use the USE Command in MySQL to switch databases
A Quick PHP Variable Reference
Everything you've ever wanted to know about PHP variables in an easy to understand, free tutorial.
Session_destroy () PHP Function
Session_destroy () is used to destroy all the data in a current session
Finding the Document Root
Often when installing scripts you need to know the document root. This simple script can give you that information.
Add Unique - MySQL Command
Add a unique table column in MySQL to ensure you do not have any duplicates, but using 'Add Unique' in your SQL Code
Echo () PHP Function
Echo Function in PHP outputs (echos) the data to the page
How to use Arrays in PHP
Information about how to set up arrays in PHP programming.
How to Write a 'Last Visited' Script in PHP
How to make a PHP script that welcomes the user and tells them when they last visited.
Session_unset () PHP Function
Session_unset() is used to clear all the variables in a PHP session
Pow () PHP Function
How to use exponents in PHP to raise a number to the power of another number.
Automatically display when a file was last...
How to show the date a file was last modified using PHP and filemtime. This is great for automatically dating time sensitive data on your website.
Describe SQL Command
The describe SQL command is used to list all of the fields in a table and the data format of each field. It is phrased as: describe ;
How To Redirect Users to Hidden Pages
A simple password style redirect that sends a user to the word they enter plus .html as a way of hiding pages
My PHP page never stops loading!
PHP Error Help - Your PHP page loads continually, and never completes. It keeps returning data or thinking.
PHP Code Showing Instead of Running
If you are running PHP on a web server, make sure you have a host who is setup to run PHP. Mac and Windows require more steps.
MySQL Quick Start Guide
Get a head start on learning MySQL before school starts!
MySQL with Android
How to connect your Android app to a MySQL database
Random Numbers
PHP can generate a random number over a very large range, or pick randomly between only two or three choices. Here's how to do both.
How to use phpMyAdmin for your database.
A basic overview of what you can do to your database with phpMyAdmin.
How to Use the 'Str_Replace ()' for String...
Str_replace is used to find and replace parts of a string in PHP
Artificial Intelligence with PHP
Artificial intelligence is a responsive form of programing designed to simulate a human response. These sites give us more insight on how to do it with PHP.
Automatic Copyright Dates
This script automatically updates the copyright date on your website every year so that you don't have to worry about it.
Installing phpBB Mods
Once you have installed phpBB, you may want to add in additional features to customize your board. These are called mods or addons, and are easy to install.
Substr () PHP Function
How to use the Stbstr PHP Function to return part of a string in PHP
How to post form a form to phpBB forum
How to post from a form (or application) to a phpBB forum
Print () PHP Function
The print function in php is used to output (print) data.
Do you know how to drop a database?
The drop database command in MySQL will remove a database from the MySQL server.
Where are your users coming from?
How to find a user's IP address using PHP
Guess The Number Tutorial
Guess the random number with this PHP script. Page 2.
Why PHP is a Server-Side Programming Language
PHP is a server side language, this means that all calculation are preformed on the server and not seen by the end user.
Calculating the Hypotenuse in PHP
How to calculate the Hypotenuse of a right triangle using PHP and the hypot function. Page 2.
Avatar: not just a movie.
An avatar is used to represent you online.
Making PHP time human friendly
How to make PHP time make sense to human users
Get_magic_quotes_gpc PHP Function
Check if magic quotes is turned on or off in your php configuration.
Eval () PHP Function
Eval () is used to evaluate its input string as PHP and then process it as such
Review of vBulletin
Review of the vBulletin message board system
How to define an array in PHP
How to create an array in PHP. PHP / MySQL.
The Three Most Basic Regular Expressions
The three most simple regular expressions that you will use with PHP
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