New Php Interview Questions of 2019

I am looking for new php interview questons so that i can increase my knowledge and share with my php professionals through my website. I have collected list of 70+ php interview questions with answers as mentinoed below but still i am looking for more php questions with answers.

List of PHP Interview Questions

*What is PHP? Why it is used?

  • What are the advantages of PHP?
  • Who developed PHP?
  • What is the latest version of PHP and Mysql?
  • Please explain the difference between unlink() and unset()?
  • How many types of errors in PHP?
  • What is the significant difference between require() and include()?
  • How to we can get IP Address of users machine?
  • Difference between require() and require_once()? When can we use these functions?
  • What is the difference between GET & POST ?
  • How can we make a constant in PHP?
  • List some array functions in PHP?
  • List some string function name in PHP?
  • How can we upload a file in PHP?
  • Explain the difference between session and cookies in PHP?
  • What are headers in PHP?
  • What is the difference between file_get_contents() and file_put_contents() in PHP?
  • In PHP, how to redirect from one page to another page?
  • What is the meaning of "enctype= multipart/form-data" ?
  • What is the role of the .htaccess file in php?
  • How to add comments in PHP?
  • Explain the difference between array_merge() and array_combine()?
  • How to get a total number of elements used in the array?
  • What is the difference between public, protected and private?
  • What is the difference between implode() and explode() in php?
  • What is the difference server side and browser side validation?
  • How to create and destroy cookies in PHP?
  • What is the difference between fopen() and fclose()?
  • What is the difference between php 5 and php 7?
  • How to get last inserted id after insert data from a table in mysql?
  • How to remove HTML tags from data in PHP?
  • What is str_replace()?
  • What is substr() in PHP? and how it is used?
  • What the use of var_dump()?
  • What is the use of nl2br() in PHP?
  • Please explain the difference between $var and $$var?
  • Please explain the difference between isset() and empty()?
  • Explain the difference between mysql_fetch_array(), mysql_fetch_object()?
  • What are the construct() and destruct() methods in a PHP class?
  • How to get complete current page URL in PHP?
  • How to include a file code in different files in PHP?
  • List some sorting functions in PHP?
  • How can we enable error reporting in PHP?
  • What are magic methods?
  • What are traits? How is it used in PHP?
  • What is inheritance in PHP? How many types of inheritance supports PHP?
  • How to download files from an external server with code in PHP?
  • What are the different MySQL database engines?
  • What is the difference between = , == and ===?
  • How to make a class in PHP?
  • What are the final class and final method?
  • Please write a query to find the 2nd highest salary of an employee from the employee table?
  • What is the role of a limit in a MySQL query?
  • How to get a total number of rows available in the table?
  • What is MVC?
  • What is a composer?
  • What is the use of $_SERVER["PHP_SELF"] variable?
  • What is the use of @ in Php?
  • What is namespace in PHP?
  • How we get browser details of clients machine?
  • What is the use of cURL()?
  • Write a program to display Reverse of any number?
  • How to check whether a number is Prime or not?
  • Write a program to display a table of any given number?
  • How to write a program to make chess?
  • What is the difference between abstract class and interface in php?
  • What are aggregate functions in MySQL?
  • What is the difference between MyISAM and InnoDB?
  • What is SQL injection?
  • How to redirect https to HTTP URL through .htaccess?
  • What is the Apache?
  • What is the difference between Apache and Tomcat?
  • What is the best way to avoid email sent through PHP getting into the spam folder?
  • What is PEAR in PHP?
  • What is the difference between REST and Soap?
  • How to make database connection in PHP?
  • How to remove blank spaces from the sting?**