IMCA - Web Development Using PHP

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Advantage and Disadvantage of cookies

Advantages of Cookies:

Remember User Preferences
Cookies can store things like user settings (e.g., language, theme, login status) so the website doesn’t
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What is query string in PHP

A query string is the part of a URL that comes after the question mark (?) . It is used to pass extra information from one page to another, usually to help customize or filter content on the server side.

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Difference between session and cookies ?

The main difference between sessions and cookies in PHP is where the data is stored .

Cookies are stored
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What is multidimensional Array with Example ?

A multidimensional array is just an array of arrays . It helps you store and organize data in more than one dimension — like a list of lists.

2D Array :

<?php
$students = array(
array("John", 20, "A"),
array("Jane", 22,
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How does the PHP interpreter process and parse the PHP code ?

The PHP interpreter processes and runs PHP code in a step-by-step way. When you write PHP code and run it, the interpreter first reads the entire PHP file from top to bottom. It looks for
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What is foreach loop ? Explain

In PHP , the foreach loop is a control structure specifically designed to iterate over arrays . It provides an easy and clean way to loop through each element of an array without needing to manage a counter or index manually.

There are two main syntaxes:

1. Using
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