Fixing (and avoiding) the “Fatal error: Call to a member function on a non-object” error.

This is a PHP error that happens whenever you attempt to use a scalar value as an array.

In this article, we discuss why you should avoid mixing PHP and HTML.

This is a simple tutorial on how to download files with cURL in PHP.

This tutorial shows you how to use a custom user agent with the cURL functions in PHP.

This is a short guide on how to “fix” undefined index / offset errors in PHP.

This is a simple guide on how to check to see if session_start has already been called in PHP.

Pinging a website in PHP is pretty easy if you know how to use the function fsockopen.

This is a simple guide on how to expire user sessions in PHP after a set amount of time.

In this guide, we show you how to calculate the difference between two dates in PHP. We’ll also tell you how to convert it into other formats.

In this article, we look at at the fatal PHP error “class contains abstract methods”. We also give you tips on how to fix it.

This is a short guide on how to modify a JSON file with PHP.

A simple guide on how to handle cURL errors in PHP.

A simple guide on how to send JSON via a POST request in PHP

This is a simple guide on how to loop through the characters of a string in PHP.

A simple guide on how to print out values in a PHP multidimensional array.

As you probably already know, PHP has an array called $_SERVER, which contains information such as: The server name. The request method (whether the request is POST, GET or PUT, etc). The IP address of the user. The visitor’s user agent. It has also has an index called HTTP_REFERER, which should give you the address of […]