When you decide about making your career in PHP development you must go through the following Most Frequently Asked PHP Interview Questions.
Simple PHP Interview Questions
- What is the latest version of PHP?
- How will you display text on a web page using PHP? Discuss three different ways.
- When will you use the switch case statement instead of if..else? Describe how does the switch case statement work?
- What are the different operators available in PHP?
- When we use === operator? What is the difference between == and ===?
- How would you implement call by value and call by reference mechanism in PHP? Illustrate with an example.
- When do we use the GET or POST method in processing a form? Discuss the difference between GET, POST, and REQUEST variables?
- What are super global variables in PHP?
- Besides the print_r() function, what are other ways to display an array in PHP? Give an example.
- When should you use try-catch block?
Advanced PHP Interview Questions
- When will you prefer PDO over mysqli?
- Discuss any two mechanisms of sending mail in PHP.
- When do we use query() method of mysqli?
- What is the purpose of mysqli_connect()?
- For the purpose of running a prepared statement of SQL, which functions of mysqli should be used?
- Similarly, which functions of PDO do we need to run a prepared statement?
- Differentiate between MongoDB and MySQL.
- What is the purpose of the bind_param() function?
- When do we use SQLite database?
- What are the advantages of SQLite?
Further Reading
When should we prefer to React over PHP?
Examples of Array Functions in PHP
Exploring PHP Arrays: Tips and Tricks
Registration Form Using PDO in PHP
Inserting Information from Multiple CheckBox Selection in a Database Table in PHP
PHP Projects for Undergraduate Students
Architectural Constraints of REST API
Creating a Classified Ads Application in PHP
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