Which of the following is the correct syntax for a PHP class implementing two interfaces named FirstInterface and SecondInterface?

easy📝 Syntax Q12 of 15

PHP - Interfaces and Traits

Which of the following is the correct syntax for a PHP class implementing two interfaces named FirstInterface and SecondInterface?

Aclass MyClass extends FirstInterface, SecondInterface {}

Bclass MyClass implements FirstInterface, SecondInterface {}

Cclass MyClass implements FirstInterface SecondInterface {}

Dclass MyClass uses FirstInterface, SecondInterface {}

Step-by-Step Solution

Solution:

Step 1: Identify correct keyword for interfaces
PHP uses the keyword implements to indicate a class uses interfaces.
Step 2: Check syntax for multiple interfaces
Multiple interfaces are listed separated by commas after implements.
Final Answer:
class MyClass implements FirstInterface, SecondInterface {} -> Option B
Quick Check:
implements + comma-separated interfaces = correct syntax [OK]

Quick Trick: Use 'implements' and commas to list interfaces [OK]

Common Mistakes:

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