A

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Q. Which function is used to check if a variable is set?

  • (A) is_set()
  • (B) isset()
  • (C) var_exists()
  • (D) has_value()
  • Correct Answer - Option(B)
  • Views: 21
  • Filed under category PHP
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Explanation by: Admin

isset() checks if a variable is set and is not NULL.

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