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Search freelancers or jobs. Apply as a Freelancer Get Started. Q What are PHP sessions and how do they work? Q How are classes loaded in PHP? Q What are some of your favorite PHP design patterns? A Design patterns are basically best-practice templates that programmers can use to consistently write well-designed code more quickly.

PHP Interview Questions And Answers

Here are a couple examples along with their use cases: The Singleton: Used when you only want to allow access to one instance of a particular class. Q Determine the output of the code below. Q Explain why the two code snippets below will evaluate to the same output. Q Explain the difference between classes and interfaces. Q Predict the output of the code below. Submit a PHP interview question. At a glance: PHP Developers. Hire a top PHP Developer.

Kevin C. Sergey S. Zoho Creator. Josh B. Web Developer 3.

Top 65 SQL Interview Questions and Answers - SQL Interview Preparation - SQL Training - Edureka

Kevin M. Paul M. Bryan M. Luke D. Ossian R. Gal D. Joseph D. James S. In PHP, Ksort has used to sort an array by key in reverse order.


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What are the data types of PHP? Which PHP version is actually used today? Nowadays, PHP 7 is the actually used version.

PHP MySQL Web Programming Interview Questions, Answers, and Explanations: PHP MySQL FAQ

In my opinion, this will define how good a… Click To Tweet What is NULL? What is the use of Constant Function? A constant function is used to return the constant value. What is the correct way to start and complete a PHP block of code? Does PHP support multiple inheritances? In PHP 5, you have to name your constructors.

In PHP 5, interfaces are introduced. What are tags used? What is the difference between explode and split functions? Is PHP supports multiple inheritance? What is the use of count function in MySQL? How to send a mail in PHP? Explain what the meaning of a final class and a final method is? How can you break PHP script? I can use exit function for that. What is the default page in web server?


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  5. Most of the times it will be index page. Explain how a comparison of objects done in PHP 5 is? What are the different types of errors in PHP? There are 4 basically types of error in PHP. Parse Error — Commonly caused due to syntax mistakes in codes. Warning Error — This error occurs when you try to include a file that is not present.

    Notice Error — This error occurs when you try to utilize a variable that has not been declared. What is session and why do we use it? Explain which type of operation is required when passing values into an URL? What is cookie and why do we use it? What function do we use to find length of string, and length of array? For finding a length of string we apply strlen function and for array we use count function. Describe how PHP and Javascript can interact? How can we modify the value of a constant? We cannot alter the value of a constant. What is the difference between unset and unlink function?

    Explain which is required to be able to utilize image function?

    10 Essential PHP interview questions and answers - Upwork™

    What is AJAX? What is jQuery? What is the difference between SQL and Mysql? There are three functions are used to get image properties. That functions are: imagesy for getting image height.

    What are the different types of join? In PHP, echo is used to print data on the webpage. Explain how failures in execution are worked with include and require functions? How to include a file to a PHP page? How to declare an array in PHP? How to Retrieve a Cookie Value?

    PHP Interview Questions and Answers For Freshers

    What is SQL injection? What should you do to be capable to export data into an Excel file? Describe what the default session time in PHP is? In PHP. How to destroy a cookie in PHP? How to enlarge the execution time of a PHP script?