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Sr Php Developer Interview Questions

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740 sr php developer interview questions shared by candidates

1. Can you explain the difference between `include()` and `require()` in PHP, and when would you use each? 2. How do you handle errors and exceptions in PHP? Can you provide an example of custom exception handling? 3. Describe how you would optimize a PHP application for performance, especially when dealing with large databases or high traffic.
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Senior PHP Developer

Interviewed at Ilsa Interactive

3.9★
Nov 29, 2024

1. Can you explain the difference between `include()` and `require()` in PHP, and when would you use each? 2. How do you handle errors and exceptions in PHP? Can you provide an example of custom exception handling? 3. Describe how you would optimize a PHP application for performance, especially when dealing with large databases or high traffic.

asked about php and mysql basics 1.difference between '==', '===' 2.types of inheritance 3.do multiple inheritance supported by php. if not then why? how to achieve it 4. types of errors 5. what is lazy loading 6.get the 2nd max value from an array 7. document.load() document.ready() 8. sql query to find 2nd highest mark from student and mark table
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Sr PHP Developer

Interviewed at Inno Valley Works

3.8★
Mar 19, 2025

asked about php and mysql basics 1.difference between '==', '===' 2.types of inheritance 3.do multiple inheritance supported by php. if not then why? how to achieve it 4. types of errors 5. what is lazy loading 6.get the 2nd max value from an array 7. document.load() document.ready() 8. sql query to find 2nd highest mark from student and mark table

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