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PHP $_POST is a super global variable that can contain key-value pairs of HTML form data submitted through the post method. We will learn different ways to check $_POST if a and contains some data in this article. These methods will use iss...

We will use PHP and ajax by printing a simple sum of two numbers 2 and . Also, print a php array in JSON. 3 object We will also use PHP with ajax by getting the HTML formatted output from the number division in PHP. Printing simple addition...

This article shows you how to div id store a in a PHP variable and pass it to JavaScript code. We will answer the following questions. What is div id ? How to div id store in a PHP variable? How to pass variables to JavaScript code? Let’s...

Let's say you're in a login form and you enter the wrong information; in this case, you probably want to go back to the login page. PHP has a built-in function header() to redirect a page to a specific page. But what if the login page is at...

Different tasks may require running multiple versions of PHP. You may need to switch PHP versions by running two sites on the same server or testing older versions of code using outdated methods. We can switch PHP versions on Ubuntu using t...

In this tutorial article, we will discuss about resizing images in PHP. Load the image before resizing Before we can resize an image, we must first load it as an image resource in our script. This is file_get_contents() different from using...

We can upload images in PHP using simple file upload operation, but first, php.ini file upload should be enabled from Files. This tutorial demonstrates how to upload images in PHP. php.ini Enable file upload from file in PHP to upload image...