What can I do with PHP programming language
PHP is a server-side scripting language, and as such, it can be used to perform a wide range of tasks on the server side of a web application. Here are…
PHP return reference vs return value
In PHP, a function can either return a value in a way that creates a copy of it or returns a reference to it. The method of return can have…
Misunderstanding isset() behavior in PHP
The isset() function in PHP is often misunderstood, leading to errors and unintended outcomes in code. In this article, we will delve deeper into the workings of isset() and show…
How to avoid leaving dangling array references after foreach loops in PHP
In PHP, when using a foreach loop to iterate over an array, you may sometimes accidentally create a “dangling array reference” after the loop has been completed. This occurs when…
Installing and uninstalling PHP extensions using PECL
PECL is a repository for PHP Extensions. It provide a directory which contains numerous PHP extensions and hosting facilities where these extensions can be downloaded. Using PECL to install extensions:…
What is the difference between include, include_once, require, and require_once in PHP
PHP provides four functions which enable you to insert code from other files. * include()* require()* include_once()* require_once() All four can take a local file or URL as input. None…
How to encrypt a string in PHP
The following code encrypts a string. crypt() function encrypts the string. The last line prints the encrypted string. There is no such function called decrypt(). This is because crypt uses…
PHP Unit Testing with SimpleTest
What is Unit Testing Most developers agree that testing is important but few test their code. Even fever do it methodically. Many developers do not realize that there is a…
Installing and using phpDocumentor on Ubuntu
phpDocumentor is a tool which creates complete documentation like Javadocs for PHP code. Installing phpDocumentor Install libraries. Restart Apache. Install PEAR. PEAR is a repository of php extensions: Tell PEAR…
PHP: How to convert XML to JSON
Converting XML to JSON is very easy in PHP. See the following code. line 1: open an empty file to write JSON line 2: load xml file line 3: convert…