When it comes to the value of a variable, what is the difference between NULL and empty?

Here is the answer of the question: When it comes to the value of a variable, what is the difference between NULL and empty?

  • NULL is a blank value; empty is the lack of a value.
  • A NULL value has an allocated address in memory; empty does not.
  • NULL referes to the lack of a value for an integer; empty refers to the lack of a value for a string.
  • NULL is the lack of a value; empty is a blank value.

The above question is related to “LinkedIn PHP Skill Quiz“. You can find all the updated questions and answers related to to “LinkedIn PHP Skill Quiz” on the “LinkedIn PHP Skill Quiz” page. If you find the update in question or answers, do comment on this page and let us know. We will update the answers as soon as possible.

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