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PHP Persistent Connections Causing MySQL Load

PHP persistent connections cause a high load on your MySQL database. For small Web applications, the load is not substantial. For busy websites, the load can cause timeout errors and memory issues on...

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How to Code PHP & MySQL to Choose the State

A drop-down box provides programmers with a convenient way to allow readers to choose a state. The drop-down box standardizes data, so all state entries from the user are the same. You use the PHP...

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How to Make an XML Playlist Using PHP

The PHP language has internal XML functions you use to set up a playlist formatted in XML tags. You loop through each of your song titles and print the playlist to an XML document. You can use this...

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How to Do a Live Search With PHP and MySQL

The PHP and MySQL languages integrate together, so you can create dynamic Web pages on your website. The MySQL database contains the data, and you use the PHP language to send queries to the database....

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How to Query Spreadsheets With PHP

The PHP language lets you open a spreadsheet and display the results to your users. You use this function when you have an internal spreadsheet that contains data you want to use to calculate and...

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How to Add & Subtract Integers in Different Columns in MySQL

The MySQL database engine includes functions that allow you to add and subtract different columns in a database table. MySQL uses the plus sign and negative sign to add and subtract integers in a list...

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How to Set Up DSN to MySQL on GoDaddy

On your website hosted with GoDaddy you have many different options for managing a database, including installing DSN on your MySQL database. Once installed, GoDaddy's system sets every thing up for...

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How to Convert Excel to CSV in PHP

PHP includes functions for opening an Excel file, parsing the data and writing the data to a comma-separated value file. A CSV file permits you to transfer data between two different applications such...

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How to Use an API XML Feed in PHP

Reading feeds lets you import data from blogs and website feeds and display them in your PHP websites. RSS feeders are set up in XML, so each feed is set up with a standard layout. You must first open...

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PHP Fatal Error: Cannot Use String Offset As an Array

An offset error in PHP is a fatal error that occurs when you incorrectly try to use an index value for an array on a string variable. When this error occurs, execution of your PHP program halts and...

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How to Call an External PHP File Form with HTML

The "action" attribute for the HTML "<form>" tag is used to call an external PHP file. The method attribute of the "<form>" tag is used to specify whether you are going to use PHP "$_POST"...

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How to Convert a PHP String to Date

When working with programming languages, it is common to need to convert an item from one data type to another. There is often a need to convert something a user has provided into a usable type—such as...

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How to Find the Number of PHP Array Rows

When working with arrays in any programing language, you need to ensure that you know how many rows you have in the array before you attempt to process the array. If you attempt to process or work with...

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How to Make a PHP Mailing List

PHP is a versatile language that can handle most server tasks for any website. Mailing lists are a popular component of web activity, and PHP can manage them with ease. Since PHP is automatically...

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How to Read a DOC File Using PHP

PHP programmers are often seeking ways to extend the functionality of this language outside its comfort zone. PHP is mostly used on Linux operating systems, but the visitors of PHP websites are usually...

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How to Change a Font Type With PHP

Fonts on websites, like all other text characteristics, are manipulated using HTML. The font type, as well as its font family, color and size, are standard aspects that are changed often. Sometimes, it...

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How to Format Phone Numbers in PHP

Most web development applications save a 10-digit number in the database without any dashes or parentheses. Hypertext preprocessor (PHP) is a web scripting language that allows the developer to create...

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How to Execute a PHP File in Linux

PHP is often thought of as a Web developer's language, with the files being executed by a Web server. However, it can also be used as a shell scripting language to create scripts that are executed on a...

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How To Change MySQL Root Password

The MySQL database application has an administrator account called "root." This user has complete administrative control over all aspects of the database. This user also should have a very secure...

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How to Create an MP3 Player in PHP

MP3 audio files can be easily embedded into your website using some simple PHP and HTML scripting. One way to create an MP3 player on your website would be to embed the MP3 file directly, however this...

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