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Why does PHP allow methods to be declared final but not allow overriding them in child classes?

hard📝 Conceptual Q10 of 15
PHP - Inheritance and Polymorphism
Why does PHP allow methods to be declared final but not allow overriding them in child classes?
ATo prevent accidental changes that break class behavior.
BTo force all methods to be overridden.
CTo make classes abstract automatically.
DTo allow multiple inheritance.
Step-by-Step Solution
Solution:
  1. Step 1: Understand purpose of final methods

    Final methods protect important behavior from being changed in subclasses.
  2. Step 2: Analyze options

    Preventing accidental changes helps keep class behavior consistent and reliable.
  3. Final Answer:

    To prevent accidental changes that break class behavior. -> Option A
  4. Quick Check:

    Final methods protect class behavior integrity [OK]
Quick Trick: Final methods protect important behavior from change [OK]
Common Mistakes:
  • Thinking final forces overriding
  • Confusing final with abstract
  • Believing final enables multiple inheritance

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