The strlen() function returns the length of string

function myFunction()

Is the syntax to create a function

The strcmp() function is used to compare the strings including case

The fopen() function is used to open files in PHP

What is the output of the following PHP code:-

<?php $i = 5; while (--$i > 0 && ++$i) { print $i; } ?>

If $a = 12 what will be returned when
($a == 12) ? 5 : 1
is executed?

The abstract classes are the classes in which at least one method need to be abstract. Abstract classes in PHP are declared with the help of keyword abstract

In object-oriented PHP encapsulation is a concept of wrapping up or binding up the data members and methods in a single module

In object-oriented programming, classes are the blueprints of php objects

PHP supports five class property scopes: public, private, protected, final and static

To create a new object in PHP we can use the new statement to instantiate a class.

Class constants are created like: const NAME = ‘VALUE’;

“->” is a dynamic class method invocation in PHP

PHP supports six method scopes: public, private, final, static, protected and abstract. But it does not support friendly

When we declare a method is as final then it is not possible to override that method. Methods should not be overridden due to some security or any other reasons

Returns the version of the Common Gateway Interface (CGI) the server is using

Normally implemented over a ....

Examples: IIS web server, cloud services, …..

Remove a session variable

Composer is dependency management tool for PHP, like a library full of books
Per project tool (vendor folder), not per system

f PHP_SELF is used in your page then a user can enter a slash (/) and then some Cross Site Scripting (XSS) commands to execute.