Answer
public is accessible everywhere, private only inside the class, protected inside the class and subclasses.
Quick Answer
public: accessible from anywhere (outside the class, subclasses, same class). protected: accessible within the class and its subclasses. private: accessible only within the same class - not even subclasses. Apply to properties and methods. Default is public in PHP. Use private for internal implementation, protected for extensible behavior, public for the class's interface.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ