Here’s a short article on a useful PHP feature – the unset construct allows you to destroy a variable, making it unavailable for use. There are a few reasons why you might want to unset a variable: Making sure you don’t accidentally use a variable you don’t want to… Read More »Using PHP unset Function to Destroy a Variable, With Examples
One way to pass data to a web page is via the URL query string. The data must be properly encoded – urlencode() and rawurlencode() in PHP do this. The PHP urlencode() function URL encodes strings in PHP and is widely used, but it is not the best… Read More »Encode Strings with PHP urlencode/rawurlencode [Examples]
Here’s a handy guide on using if/else/elseif conditional statements in PHP to execute code based on certain conditions. if/else statements are found in pretty much all programming languages. Computer programs need to perform actions based on a user selection, or the result of a calculation, or the… Read More »How to Use if…else Conditional Statements in PHP [Examples]
This quick tutorial will show you how to use the PHP echo statement to print/display information on screen. A computer program isn’t much good if it doesn’t display some output to the user. The echo statement prints a simple string of text in PHP – usually to the web… Read More »How to Use the PHP echo Statement, With Examples
This article will show you several methods on how to print an array in PHP, with some examples. Arrays in PHP can be processed using foreach loops to interact with each element in the array. This article focuses on directly printing an array in full… Read More »Print an Array in PHP using print_r and var_dump, With Examples
This article will show you how to refresh a web page in the browser using the PHP programming language. It’s sometimes necessary to set a page to reload automatically, usually at some interval, to keep the page updated with changing information. For example, you may… Read More »Refresh or Redirect a Page using PHP, With Examples
This article will show you how to use multidimensional arrays in the PHP programming language, explaining what they are and how to use them. What is an Array? An array is a type of PHP variable that can hold multiple values. It’s a list of… Read More »Multidimensional Arrays in PHP – How To Use, With Examples
This article will explain the difference between PHP and HTML and outline which you should use for your project (probably both – and I’ll explain why). If by the end of this article you’re still trying to navigate your way through the different web programming… Read More »PHP vs HTML – What’s The Difference? Which Should You Use?
This article will explain how to pass a PHP variable by reference and why you might want to do it – with some examples. What is a Variable? You probably already know this one. A variable stores a value – it has a name, and… Read More »Passing Variables by Reference in PHP, with Examples
This is a quick “now you know” article showing you how to validate your PHP code using PHP from the command line instead of using an online PHP validator. Online PHP Validators So, you’ve got some PHP code, and you want to check that it’s… Read More »PHP Validator – Safely Checking Your PHP Code Syntax Quickly and Easily
