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How to Use the Dollar Sign in a String in PHP
In PHP, a text string preceded by the dollar sign character ("$") is used to declare a variable. The "$" literal value needs special treatment when used inside text values assigned to variables...
View ArticleHow to Insert a Percent Symbol Beside a PHP String
Strings are chunks of text that you can save to variables and perform operations on when programming in languages such as PHP. In a PHP script, you can use a variable as a name that holds the text....
View ArticleHow to Create a Table in GoDaddy With MySQL
GoDaddy has a custom interface available for each customer with an account that has a MySQL database installed. You use the interface to create a table in your MySQL database, which stores all your...
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How to Disable Triggers in MySQL
MySQL triggers are a list of SQL statements that are contained in the database catalog. Triggers can be activated by database activities such as "Update," "Delete" or "Insert." The trigger can be...
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How to Unset Class in PHP
Calling a class allows a PHP Web developer to access methods and properties from a set of code (object) that has been pre-written. This prevents the developer from having to re-invent the wheel and...
View ArticleHow to Insert Multiple Triggers in MySQL
Triggers are one of the new features in MySQL, the relational database management system. Triggers are related to certain tables and are activated by a particular event. You can use triggers to check...
View ArticleHow to Simple Count Prime Numbers in PHP
The PHP programming language serves an important role as a scripting language for many Web applications. Programmers can use PHP to calculate user input, write page information to Web browsers in HTML...
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How to Select the Value From a List Box to Another List Box in PHP
PHP is a server side scripting language that comes with built-in features that help make the creation of dynamic user interfaces straightforward and robust. For example, PHP offers two built-in super...
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How to Use PHP with a Thermal Printer
PHP is an open-source programming language that makes it easy for you to install and use a thermal printer. Because of its open-source applications, it also supports other types of printers, such as...
View ArticleHow to Concatenate in DB2 SQL
The concatenate operator joins two strings from different fields or tables in DB2. Concatenation is a convenient method of joining fields when complimentary information is stored in separate database...
View ArticleHow to Use PHP to Populate a Database
Populating a database in PHP lets you transfer data that's temporarily available in your script to a permanent database location that you can access at a later time. This is useful for purposes such as...
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How to Create a Online Quiz With PHP
By adding dynamic features like quizzes to web pages, developers find ways to engage surfers and encourage them to spend more time interacting on their sites. Thanks to web-centric languages like PHP...
View ArticleMy Query Is Fast in MySQL and Slow in PHP
Improving your MySQL query times in your PHP script increases your browsing speed and prevents script time outs from occurring. PHP is a scripting language with features to help you create dynamic web...
View ArticleHow to: PHP Click Tracking Pixels
Tracking information about the visitors to your website helps you determine how frequently people are loading a specific page and at what times. Click-tracking works by placing a single one-by-one...
View ArticleHow to Tell DB2 to Round a Number
DB2 and other SQL programs store floating-point numbers with varying degrees of precision. In most cases, the number of decimal places shown when the number is displayed on the screen or printed in a...
View ArticleHow to Program a Bullet in PHP
Bullet lists in PHP display a summarized group of details or information for your website readers. You use the PHP "echo" statement to create bullet lists. You must first "echo" the "ul" tag, which...
View ArticleHow 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 Find SQL Injections in WordPress
With only one small mistake in the code of a WordPress theme or plugin, a hacker can gain access to your website and deface it, steal information about your users or even delete the content from your...
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Multiple Inserts Into MySQL
You use SQL statements to manage the data in a MySQL database, including inserting new rows into the tables. The SQL insert statement indicates the name of the table you're inserting data into, the...
View ArticleCentOS for Installing PHP With MySQL
The PHP programming language is an open source scripting language that is mainly used for Web applications. It can also be used as a command line scripting language or to create desktop applications....
View ArticleCan I Use PHP Coding With an HTML Editor Like KompoZer?
With KompoZer, you can create websites without knowing any code. Its visual interface streamlines this process. You can insert PHP into your Web pages with KompoZer. However, if you frequently use the...
View ArticleHow to Save TinyMCE Data to MySQL PHP
TinyMCE is a developer platform that helps you create Web pages. The software is especially useful if you have little programming experience, but you want to create dynamic pages. With some PHP...
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How to Make an RSVP Button for a Facebook Event Using HTML
Facebook is a popular social networking platform that has increasingly been used to plan and manage events. It provides an “Events” feature that allows you to create and schedule an event using the...
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How to Flush a Slow Query Log in MySQL
When it's started with the --log-slow-queries option, the MySQL slow query log stores a list of all SQL statements that took longer than a preset time to execute. This allows you to see any SQL queries...
View ArticleHow to Speed Up PHP Curl
The PHP cURL library is a set of extensions that add functionality for websites that need to connect to external sources such as other websites or other processing pages. You use the "GZIP" function to...
View ArticleTutorial for SNMP in PHP
The SNMP protocol is an older solution for remotely auditing and managing information about network resources. You can use this protocol in PHP to retrieve information about a remote resource on the...
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MySQL Integer: Signed Vs. Unsigned
The MySQL database system provides developers with a range of numerical data types to choose from, including various integer types. The range of values you can store within a database using integers...
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What Is the PHP Mail Character Limit?
The "mail" function is used in PHP to send email messages. While PHP does not specifically impose limits on the size of an email message, it does set a limit on the amount of memory it will allocate to...
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How to Build an Automated Register Bot
A bot, short for robot, can perform tasks automatically in place of a human. Bots can be used, for example, to register users on websites or to respond to requests. They are often employed to log in to...
View ArticleHow to Access a Webcam in PHP
The PHP language runs on a Web server to host dynamic pages for your readers. You can use PHP to dynamically create JavaScript code that accesses a connected webcam or video. Use this type of scripting...
View ArticleHow to Import Connections Into MySQL Workbench
The MySQL Workbench includes a connection section you use to connect your desktop to a MySQL database. If you have connections exported to a file, import these connection settings to the Workbench....
View ArticleHow to Create a Tree Menu With PHP & MySQL
A tree menu is a visual representation of a list of items, organized so that some items or categories, called parent nodes, can be expanded and show sub-items, called child nodes. Using PHP, you can...
View ArticlePHP Mkdir Permission Does Not Work
PHP provides a function called "mkdir" that lets you create a new directory. An optional argument specifies the numeric value of the permissions to be assigned to the new directory. For example,...
View ArticlePHP Error: Undefined Offset
In PHP, an indexed array stores key-value pairs of data using non-zero integers as keys. The first array element has a key of zero and subsequent elements are consecutively numbered. An array that uses...
View ArticlePHP Fatal Error: Cannot Unset String Offsets
In the Personal Home Page (PHP) programming language, you change a string -- a sequence of characters -- by using offsets to access and modify individual characters. Employing the wrong PHP functions...
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Does Joomla Use a Lot of RAM?
Joomla is an open-source content management system. Originally designed to run on the popular LAMP platform made up of the Linux operating system, Apache Web server, mySQL database server and PHP...
View ArticleTwitter API Password Length Limit
Twitter's application programming interface is something that programmers can use to make applications, websites and widgets that interact with Twitter itself. The conversation that happens between...
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Get_Headers Vs. cURL Speed on PHP
PHP Client URL Library -- or cURL -- is a method to retrieve remote files. Get_headers and cURL functions create internet connections to retrieve HTTP status codes and website information. Web data...
View ArticleHow to Join Two Strings in PHP
While most operations involving strings in PHP are performed by functions, there are two string operators. The concatenation operator is denoted with a period. It joins two strings together. The...
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How to Insert an Item Combobox in PHP
Combo boxes or drop-down menus are a staple in online forms. Combo boxes often show a list of common choices, such as a list of countries or states, to make it easier and faster for users to fill out a...
View ArticleHow to Convert an Associative Array to String PHP
When working with associate arrays in PHP it may be helpful to convert the array into a string. You can use string functions so that you can display its contents on your Web page. An associate array is...
View ArticleWhat Is MySQL?
MySQL is an open source, relational database management system. Co-founder Monty Widenius named the software after his daughter, My. It is a client/server system that supports multiple administrative...
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PHP Syntax Error: Unexpected T String
When you program in PHP, or in any language, there will be times when you receive confusing error messages. Often, an error message does not actually indicate the cause of a problem directly, but...
View ArticleHow to Import SQLite to MySQL
As a little brother to MySQL, SQLite is great for lightweight database needs in most applications. However, as things scale, you may be faced with the need for a more sophisticated database management...
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How to Display the Most Viewed in PHP
A Web developer can use the PHP scripting language to create a dynamic website that provides content to users based on the content's popularity. The developer codes a PHP script to count each time...
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How to Convert Images Into Binary Data Using PHP
Image files stored on Web servers can be converted to binary strings using PHP. Converting an image to binary allows you to easily store it and pass values, without worrying about the encoding being...
View ArticleHow to Enable InnoDB in MySQL 5 With cPanel
InnoDB is a transactional database storage engine that is designed to work with the popular MySQL database platform. MySQL traditionally made use of the MyISAM storage engine, although this began to...
View ArticleHow to Convert Newline for MySQL
Converting newline characters in MySQL fields can be helpful when you want to display data in a different program or operating system that uses a different newline character. A newline character...
View ArticleHow to Convert a String to UTF-8 in PHP
Most Web pages written in English come encoded in ISO-8859-1, a character encoding set suited to displaying English text with no special characters or accent marks. This character set is also known as...
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Tutorial for Creating a Table Using Wamp 2.0 MySQL
In order to set up a server on the Web or simply test a site on a home computer before publication , you'll need to install a WAMP software package such as WampServer. WAMP is an acronym for Windows,...
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