What questions are asked about PHP in interview?

PHP Interview Questions

  • 1) What is PHP?
  • 2) What is PEAR in PHP?
  • 3) Who is known as the father of PHP?
  • 4) What was the old name of PHP?
  • 5) Explain the difference b/w static and dynamic websites?
  • 6) What is the name of scripting engine in PHP?
  • 7) Explain the difference between PHP4 and PHP5.

What is PHP question and answer?

PHP stands for PHP: Hypertext Preprocessor is a widely used open-source server-side scripting language especially suited for creating dynamic websites and mobile APIs. PHP supports many databases like MySQL, Solid, PostgreSQL, Oracle, Sybase, generic ODBC, etc. PHP code is embedded within HTML.

What you should know about PHP?

What Is PHP? #

  • It is a very easy and forgiving language. Variables can be anything, and you can create them anytime you want.
  • It is part of the free LAMP stack (Linux, Apache, MySQL, PHP) and thus available on almost any server you can rent on the Web.
  • It does not need a special editor, environment or build process.

Is PHP a strongly typed language *?

A Loosely typed language is a language that can create variables of different types easily. It refers to those programming scripts that do not require defining a variable type. This is the reason why PHP is a loosely typed language.

What are cookies in PHP?

PHP cookie is a small piece of information which is stored at client browser. It is used to recognize the user. Cookie is created at server side and saved to client browser. Each time when client sends request to the server, cookie is embedded with request. Such way, cookie can be received at the server side.

Who is the father of PHP?

Rasmus Lerdorf
PHP/Designed by
Created in 1994 by Rasmus Lerdorf, the very first incarnation of PHP was a simple set of Common Gateway Interface (CGI) binaries written in the C programming language.

What should a PHP developer know?

6 Key Skills a PHP Developer Should Have

  • Knowledge of other programming languages.
  • Get to grips with PHP best practices and design patterns.
  • Be comfortable with Composer, PSR, PHPUnit.
  • Problem Solving.
  • Good Communication.
  • Adaptability.

How do you write Hello World in PHP?

$string = ‘Hello World! ‘; // You can echo the variable, similar to the way you would echo a string. echo $string; // You could also use print. print $string; // Or, if you are familiar with C, printf can be used too.

What is $_ session in PHP?

PHP $_SESSION is an associative array that contains all session variables. It is used to set and get session variable values. Example: Store information.

What are the 3 types of cookies?

There are three types of computer cookies: session, persistent, and third-party. These virtually invisible text files are all very different. Each with their own mission, these cookies are made to track, collect, and store any data that companies request.

Why do you need to know PHP questions and answers?

PHP Questions and Answers has been designed with a special intention of helping students and professionals preparing for various Certification Exams and Job Interviews. This section provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with appropriate explanations.

What are the most common uses of PHP?

PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them. PHP can handle forms, i.e. gather data from files, save data to a file, thru email you can send data, return data to the user. You add, delete, modify elements within your database thru PHP.

Which is the best way to learn PHP?

Happy Coding! Note: It’s fine if you are playing around with PHP codes with the help of an online PHP editor, to enjoy a full-fledged PHP environment (since online editors have several caveats, e.g. embedding PHP within HTML) up and running on your own machine is much better of an option to learn PHP.

How to test if two objects refer to the same class in PHP?

We can test if two objects are referring to the same instance of the same class by the use of the identity operator ‘===’. 14) How can PHP and HTML interact? It is possible to generate HTML through PHP scripts, and it is possible to pass pieces of information from HTML to PHP.