Top Php Interview Questions and Answers For Freshers and Experienced Candidates

Php Interview Questions and Answers
Php Interview Questions and Answers

PHP is a server-side scripting language which is mostly used for creating awesome looking websites. RASMUS LERDORF is the father of PHP. PHP 5 and the above php 5 versions works with MySQLi (Database Management System). here i Stands for ** Improved **.

What is PHP

Created in 1994 by Rasmus Lerdorf, the absolute first manifestation of PHP was a simple arrangement of Common Gateway Interface (CGI) parallels composed inside the C programming language. 

PHP (Hypertext Preprocessor) is understood as a general-purpose scripting language that will be wont to develop dynamic and interactive websites. it had been among the primary server-side languages that would be embedded into HTML, making it easier to feature functionality to sites without having to call external files for data.

PHP may be a programming language for rear development only. JavaScript, in turn, was initially designed as a front development language. Thus, in case you're attempting to settle on a choice among PHP and JavaScript, the conversation is decreased to which language you might want to use for back improvement.

The Use of Learning PHP

PHP is the best user-accessible programming language in server-side scripting. it's more malleable than C, C++, or ASP. PHP improves website traffic. For developing complex, dynamic, and user-accessible web applications, web developers always use the PHP language because it is easy as compared to other languages. With the computerized economy set to fill cosmically in the coming years, and the greater part of that advanced economy utilizing PHP in some structure, PHP improvement abilities are going to be very high in demand for the foreseeable future.

PHP programs are often written on any editor, like - Notepad, Notepad++, Dreamweaver, etc. These programs save with. PHP extension, i.e., filename. PHP inside the htdocs folder.

And if I think PHP is difficult to find out then let me clear you PHP is one of the better programming languages to find out. This is often because PHP features a strong ecosystem of resources available for beginners and it's a syntax that's forgiving to beginners. Whether you struggle to find out PHP depends on your experience with programming.

Here we are getting to tell you an example of how you'll run a PHP code:

  • INSTALL XAMPP
  • RUN YOUR FIRST PHP SCRIPT
  • Go to the XAMPP server directory
  • Create my.php
  • Create a file and name it "my.php"

Open my.php and put the following code.

<?php
echo "Hi Jhon!";
?>

Open New Tab

Run it by opening a new tab in your browser

Load hello.php

On your browser window, type http://localhost/my.php

Output

You should see the following output

Hi Jhon!

Important PHP Interview Questions and Answers Listed By Experts

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What is the use of in_array() function in PHP?

If you want to check particular value exists in an...
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How to redirect a page in php?

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How to get the date of post in a separate day, month and year variables wordpress.??

Sometimes our custom design requires Day, month an...
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$message vs. $$message in PHP.

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What are the different types of errors in PHP?

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What is PEAR in PHP?

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What is difference between echo() and print()?

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In a PHP class what are the three visibility keywords of a property or method?

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What is Polymorphism?

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What is PHP?

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What is the use of "echo" in php?

It is used to print a data in the webpage, Example...
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Who is the father of php and explain the changes in php versions?

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How to create a session? How to set a value in session ? How to Remove data from a session?

Create session : session_start(); Set value into...
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How to set cookies in PHP?

Setting new cookie =============================...
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How to declare an array in php?

Just Follow the Below example::: Eg : var $a...
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What is the difference between Session and Cookie?

The main difference between sessions and cookies i...
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require_once(), require(), include().What is difference between them?

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What are some of the big changes PHP has gone through in the past few years?

There are a number, but the big ones people are lo...
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Explain how a PHP session works?

A PHP session cookie is set in the clients browser...
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In PHP what is the difference between a Class and an Interface?

Interfaces do not contain business logic, only met...
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How can we encrypt and decrypt a data present in a mysql table using mysql?

AES_ENCRYPT () and AES_DECRYPT ()
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what types of loops exist in php?

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