php what is code example

Example 1: php ??

// Example usage for: Null Coalesce Operator
$action = $_POST['action'] ?? 'default';

// The above is identical to this if/else statement
if (isset($_POST['action'])) {
    $action = $_POST['action'];
} else {
    $action = 'default';
}

Example 2: what php can do

PHP can generate dynamic page content.
PHP can create, open, read, write, delete, and close files on the server.
PHP can collect form data.
PHP can send and receive cookies.
PHP can add, delete, modify data in your database.
PHP can be used to control user-access.
PHP can encrypt data and apply validation.
PHP used to send and receive E-Mails.
PHP can be used to integrate with other third party tools.
PHP can output images, PDF files, and even Flash movies. You can also output any text, such as XHTML and XML.

Example 3: What is PHP

PHP is a server side scripting language. It is open source. It is embedded language.

Example 4: What is PHP

PHP is a scripting language normally used by web developers to build websites.
It supports object oriented programming.
It even has support for building windows desktop applications with PHP Desktop

Example 5: what is PHP

PHP is a general-purpose scripting language especially suited to web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1994; the PHP reference implementation is now produced by The PHP Group
Implementation language: C (primarily; some components C++)
Stable release: 7.4.11 / October 1, 2020; 5 days ago
Preview release: 8.0.0 Release Candidate 1 / October 1, 2020; 5 days ago
Typing discipline: Dynamic, weak since version 7.0: Gradual
Designed by: Rasmus Lerdorf
Developer: The PHP Development Team, Zend Technologies