A

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Q. Which function checks if a variable is NULL?

  • (A) is_null()
  • (B) isempty()
  • (C) empty()
  • (D) check_null()
  • Correct Answer - Option(A)
  • Views: 28
  • Filed under category PHP
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Explanation by: Admin

is_null() returns true if the variable is NULL.

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