Are you looking for a PHP job? We at Remittance Sol bring in all positive solutions and you can now easily crack the interview that gives you confidence in real-time. We come up with the PHP interview questions that are usually asked in the interviews and we thus help you to prepare free from any worries. It’s time to know us better and you can now prepare for the PHP interview that helps you to feel confident.
Our experts are well-familiar with the technical specifications and you can now understand the pattern of questions. Hence, you can now face the employer with full confidence and thus you can now get the best job earning a good livelihood.
Get Full Job Satisfaction
We here help you to get full job satisfaction and you can thus go ahead in life eliminating all the challenges. Once you go through the PHP questions, we publish you can easily handle the interview that helps you to regain your self-confidence. Our PHP experts know what types of questions are asked and accordingly we guide you. It’s time to get a clear view of the pattern and we ensure that you can now prepare for the interview knowing that you are going to win the job.
Understanding the Strategies
Now, we help you to understand the strategies and you can now crack the interview in a single attempt. We show you how to explore better job opportunities exploring life in a new way. Usually the questions are related to following facts:
- It’s important know the codes using which you can create a customized PHP application.
- Next, you need to know do the codes support platforms like Android, Windows, Linux etc.
- You must have a clear idea of the outputs against the codes that give you the confidence to write the programs in your way.
We turn out with different question pattern for both freshers and experienced professionals ensuring that you can now comprehend the real-time benefits. We also make you aware of the errors, which may arise and you must get familiar with the feasible solutions. In this way, you can now comprehend how PHP comes up as the best form of technology helping you to explore all beneficial options. We turn out with a mission to help you pass the interview and thus you can now join a reputed company as an expert PHP developer writing the codes successfully.
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Now, you may be thinking why you should choose us. We are here to help you with the best type of PHP interview questions that give you the poise knowing that you are getting the ultimate guidance. Our PHP developers have ample experience in this field and thus you can now get an idea of how to place the answers during a PHO interview session.
PHP Interview Question And Answers
Q. 1. What is core PHP?
Ans: Core PHP is the basic form of PHP and is used to create dynamic web pages. Core PHP is the unadulterated PHP and both Core PHP and PHP use the same frameworks. It uses the basic functions, rules and logic and Core PHP can run without a library.
Q. 2. What is PHP? What are its advantages?
Ans: PHP is a general-purpose scripting language and is used to develop websites. It’s an open-source platform and can be embedded into HTML. Now here are listed some basic advantages of PHP:
Advantages of PHP
- This language is easy to implement.
- It gives users a better performance.
- It brings in more control for the web developer.
Q. 3. What is a PHP framework?
Ans: The PHP framework is referred to Model View Controller (MVC). MVC is an architectural pattern that distinguishes business logic from the UI. Model represents data, view features the presentation layer and controller takes care of the business logic.
Q. 4. What is CodeIgniter?
Ans: Codeigniter is a PHP MVC framework and is used to develop web applications involving much less time. Codeigniter comes up with the excellent libraries, which establish an easy connection to the database.
Q. 5. What is CakePHP?
Ans: Cake PHP is an open-source web framework, which follows the MVC architecture. This framework comes up with the smarter plugins, which you can easily implement. It refers to an advance PHP hybrid featuring the data mapper pattern.
Q. 6. What’s the logic behind PHP frameworks?
Ans: Model View Architecture (MVC) is the main logic behind the PHP framework. This pattern helps the developer to avoid producing repetitive codes and it saves time and effort. It establishes a secure connection to the database and the developer executes the code successfully.
Q. 7. How to create a directory using PHP?
Ans: You can create a directory with PHP using the mkdir() function. The code is mkdir(“/path/to/my/dir”, 0700); There is the option to use the fopen() function to create a file inside the directory.
Q. 8. What does PHP Echo do?
Ans: PHP has two basic ways to get the output, echo and print. You can use the eco statement with or without parentheses, echo or echo(). For eg: <?php
Echo “<h2>PHP is Fun! </h2>”;
Echo “Hello world! <br>”;
Q. 9. How to test a PHP developer’s skills?
Ans: A PHP aptitude test can be conducted to test the skills of a PHP developer. Nowadays, it’s easy to arrange an online test and you can invite the PHP develop to take part in the test. The paper may have both theoretical and practical questions to get an idea of the practical knowledge of the developer.
Q. 10. What is the difference between print & echo in PHP?
Ans: Echo and print in PHP almost have similar values. Both are used to get the output data displayed on the screen. However, there is a small difference echo has no return value whereas print has a return value of 1.
Q. 11. Can we run a PHP file without a browser?
Ans: PHP is a server-side scripting language and it runs on a server. However, you can write PHP code without having a web server. The code to run PHP without a web browser is mentioned below: Php path-to-your-script.php.
Q. 12. How to include or call a .HTML file in .PHP?
Ans: First, you need to save the HTML, which you want to include into the .PHP file. You have to use the include PHP function for each HTML file. For eg:
<?php
//do php stuff
include(‘file0ne.html’);
include(‘fileTwo.html’);
?>
Q. 13. How to combine PHP and Python files?
Ans: Usually, a website either uses a PHP file or a Python file. However, if both the files are used it’s something out of the box. This can be done using the Service-oriented architecture where every part of the website follows the standalone microservice communicating via an HTTP request.
Q. 14. How to fix parse errors in your PHP code?
Ans: Parse errors often come up and you have to focus on the code context Often the syntax errors are hidden the previous code lines. You can compare the syntax examples from the manual identifying the errors.
Q. 15. What are the different types of errors in PHP?
Ans: PHP comes up with four types of errors, which are:
- Parse or syntax error, which usually happens from the end of the programmer.
- The fatal error happens when the PHP compiler understands the PHP code but returns an undeclared function.
- The warning errors indicate the missing filed.
- Notice error shows that there is something wrong in the program.
Q. 16. How to close an error in an application message?
Ans: An error message is triggered when there is an interruption in the software. You have to look through the API documentation to find the solution to the error. You need to turn off the software interruption and it automatically closes the error.
Q. 17. How to solve undefined index in PHP?
Ans: Sometimes, a develop may get an error as ‘Notice: Undefined Index”. This error comes up when there is a variable or constant without an assigned value. You can easily avoid this error using the isset() function.
Q. 18. How to pass a value to a PHP script using AJAX?
- AJAX can be used to pass value to a PHP script. You can use the AJAX function and in the same function you can use AJAX to retrieve the values. The code is:
$.ajax({
url: ‘ajax.php’,
type: “POST”,
dataType: ‘json’,
data: ({name: 145}),
success: function(data){
console.log(data);
}
});
Q. 19. How to include a file in PHP, based on user info in DB?
Ans: Based on the user information in DB, it’s possible to include a file in PHP. The process is:
- Use the DB query to retrieve the user data.
- You have to execute an if statement to evaluate the file to be loaded.
- Make sure that the if files exists.
- Use ‘include’ to import the specific file.
- If you get an error message you have to identify the issue.
Q. 20. What is type juggling on PHP?
Ans: When you are handling a variable type, it’s referred to as Type Juggling. In PHP the variable type is identified on the context where it’s used. If an integer is assigned it becomes an integer variable. The integer is assigned to the variable $num.
Q. 21. How to get the value of a last session ID using a session in PHP?
Ans: The function session_id() is used to get the session id of the current session in PHP. Sometimes, the constant SID is also used to recover the current name and session id. If you specify the id, it substitutes the current session id.
Q. 22. What is a session variable? Why are we using them?
Ans: Session variables are the specific variables and you would notice them in the current session of an active application. We use session variables to store specific data and the developer can access them while developing a web application.
Q. 23. How to create, retrieve and delete session arrays in PHP?
Ans: The code to create session array is:
<?php
session_start();
$_SESSION[‘name’]=’myname/other var
?>
The code to retrieve session array is:
<?php
Session_start();
echo $_SESSION[‘name’];
?>
The code to delete session array is:
<?php
session_start();
session_destroy();
?>
Q. 24. How to create a referral link using PHP?
Ans: Here are the steps to create referral links in PHP:
- First the referrals would sign up for the program retrieving data from the PHP database.
- Next, the system comes up with unique referral links.
- Then add the code for the referral system to check if the user is being referred by another user in index.php.
Q. 25. What are the extensions of PHP File?
Ans: .php, .phtml, .php3, .php4, .php5, .php7, .phps
Q. 26. What are the various methods/ways to pass data from one web page to another web page?
Ans: The different ways to pass the data as follows:
Session
Cookie
Database
URL parameters
Q. 27. What is escaping to PHP ?
Ans: The PHP parsing engine needs a way to differentiate PHP code from other elements in the page. The mechanism for doing so is known as ‘escaping to PHP’.
Q. 28. What function do we use to find the length of string, and length of the array?
Ans: For finding the length of the string we use strlen() function and for an array, we use count() function
Q. 29 Is PHP a case sensitive language ?
Ans: No, PHP is partially case sensitive.
Q. 30. What are the traits in PHP?
Ans: These are PHP mechanisms for code re-usability to ease developers for using the code in different class hierarchies.
Q. 31. How will you define a constant in PHP?
Ans: To define a constant you have to use define() function and to retrieve the value of a constant, you have to simply specifying its name. Unlike with variables, you do not need to have a constant with a $.
Q. 32. How can we change the value of a constant?
Ans: We cannot change the value of a constant.
Q. 33. What are PHP magic constants?
Ans: PHP provides a large number of predefined constants to any script which it runs known as magic constants.
Q. 34. What is the difference between unset() and unlink() function.
Ans: unset() is used to destroy a variable whereas unlink() is used to destroy a file.
Q. 35. What is the purpose of _LINE_ constant?
Ans: _LINE_ − The current line number of the file.
Q. 36. How to print the current date and time.
Ans: Get current date and time
<?php echo date ( ‘Y-m-d H:i:s’ ) ; ?>
