How to check undefined variable in JavaScript/jQuery
To check an undefined variable in JavaScript or jQuery, we can use one of these two methods. Com...
Tag: How-To
How to check variable types in PHP
To check variable types in PHP, we have many variable handling functions available. Below is the li...
PHP gettype() Function: Check data type by PHP get type
The PHP gettype() function is a PHP function that is used to check the type of variables. This PHP ...
How to extend group_concat() limit in MySQL & phpMyAdmin
To extend group_concat() limit in MySQL there are two methods, either using SQL command or by setti...
PHP session_name with example: set & get session name
Session name in PHP is usually a random name provided by server which is unique for any web app. We...
How to connect MySQL database in PHP – PHP MySQL
Before learning how to connect MySQL database in PHP, I would like to give a brief introduction abou
Database connection in PHP using PDO – PHP PDO
Database Connection in PHP Before starting to database connection I would like to explain why we...
How to search child element in a div or any element by JQuery has()
Hello Readers. This article is about how you can find any element within an element. For example, i...
Close div by close button click or body click by jQuery
In this code there are two elements, a div which acts like a pop up and a button which is clicked to...
How to Install PHP: A Beginner’s Guide
Before diving into the world of PHP, you need to install it first. Don’t worry; it’s easier than it...