Certification Course Answers 2026

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LinkedIn PHP Skill Quiz Assessment Answers

Both self and this are keywords that can be used to refer to member variables of an enclosing class. The difference is that $this->member should be used for __ members and self::$member should be used for __ members.

Both self and this are keywords that can be used to refer to member variables of an enclosing class. The difference is that $this->member should be used for __ members and self::$member should be used for __ members.