Some of the common basic questions in PHP includes
- What is the difference between include_once and require_once. In how many ways you can include a file
- Can you list down some of the array / string functions in PHP with usage
- Are you familiar with OOPS. Please list down some of the OOPS concepts in PHP
- What is the latest PHP version. What are the new features that are introduced in this latest version
- How can you find a string inside another string.
- What is the different between unset() and unlink()
- How can you define constants in PHP and in how many ways
- What is DRY principle
- What are the best coding practices in PHP and what is coding standard you follow.
- What are magic methods in PHP
Some of the basic questions you might be asked for PHP OOPS concepts
- What is the difference between method overloading and method overriding
- What is inheritance, how many types of inheritance PHP supports
- What is encapsulation
- What is polymorphism
- What is an abstract class
- What is an interface
- Difference between abstract class and an interface
- What are traits in PHP. Write syntax.
- Can you achieve multiple inheritance in PHP. If yes, explain with examples.
- What is static and final keyword
- What is a constructor
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