PHP Variables
PHP Data Types
PHP Echo & Print
PHP Strings
PHP Numbers
PHP Constants
PHP Operators
PHP if...else...elseif Statements
Switch Statement
PHP Loops
PHP Arrays
Superglobals
PHP Coding Standards
PHP Form Handling
PHP Form Validation
PHP URLs Validation
PHP Form Required Validation
Complete Form Example
PHP File Functions Open/Read
PHP File Create/Write
PHP File Upload
PHP Cookies Handling
PHP Session Handling
PHP filter_var() Function
PHP Validation Filters
PHP Sanitization Filters
Using Filters
Filters Advanced
JSON
PHP Date and Time
MySQL Database
MySQL Connect
MySQL Commands-Creating a Table
MySQL Commands-Inserting The data
MySQL Commands-Prepared Statement
MySQL Commands-Selecting The Data
MySQL Commands-Where and Order By
MySQL Commands-Deleting And Updating The Data
PHP-OOP Introduction
PHP-Classes/Objects
PHP-Constructor/Destructor
PHP-Access Modifiers
PHP-Inheritance
PHP-Inheritance and Protected Access Modifier
PHP-Overriding Inherited Methods
PHP-Final keyword
PHP-Abstract Classes
PHP-Constants
PHP-Traits
PHP-Static Methods and Properties
Introduction to Functions
Defining A function
Returning Values From A Function
Dynamic Function Calls
Variable Scope
Understanding Arguments Or Parameters
Testing For A Function Existence
Returning Multiple Values From A Function
Making practical Use By Building Code Libraries For Code Re-usability
Using Include() And Require()
AJAX stands for Asynchronous JavaScript and XML. It is a technique which is used to request data from a remote server without reloading the entire page. AJAX is not a programming language rather a technique used by web developers to make the websites behave like a desktop application. HTML, CSS, JavaScript, XML, and JSON, and PHP are involved in AJAX where HTML and CSS are used at client side. JavaScript is used to make a request, XML and JSON are the formats for the request. PHP is used at the server side for AJAX requests.
Asynchronous means that we are exchanging the data like requesting the data from the server or posting the data to the server in the background without refreshing the page. In the standard client-server application, the client has to wait for the server response to execute other tasks on the webpage. In Standard AJAX application, multiple requests can happen simultaneously, and the client doesn’t have to wait for a response from the server to make a new request.
Responses in AJAX application are handled in the form of callback that is a special function used in AJAX via which server can respond to the client whenever it is ready to send data to the client.
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