PHP

Question 1

What is PHP?

Answer 1

PHP is a server-side scripting language used in web development. It is embedded in HTML and is used to create dynamic web pages, interact with databases, etc.

Question 2

What did PHP stand for? And What does it stand for today?

Answer 2

PHP orignally stood for Personal Home Page

now its stands for Hypertext Preprocessor.

Question 3

Who was the founder of PHP?

Answer 3

Rasmus Lerdorf

Question 4

Why should we use/learn PHP? Or what are the advantages of PHP?

Answer 4

• PHP is open source and free
• It is easy to learn and use
• It compatible with every os including windows, linux, and mac-os
• It has large community
• It supports a large amount of databases
• It has large ecosystem of framewords, CMS plarforsm and extensive liraries

Question 5

What are the disadvantages of PHP?

Answer 5

• It is less secure than other sever-side solutions, as it has been historically vulnerable to SQL injection
• It not suitable for large aplications unless used with a framework like laravel
• It is slower than other server-side solutions like node js, go, etc.
• It has poor error handling

Question 6

How do you create and access elements in a multi-dimensional array in PHP?

Answer 6

The same as in JS

Question 7

How do you create a key/value pair/associateve array in PHP?

Answer 7

$associativ_array_name = array(
“key” => value,
“key2” => value
);