A

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Q. Which function can be used to check if a key exists in an array?

  • (A) key_exists()
  • (B) array_key_exists()
  • (C) exists_key()
  • (D) has_key()
  • Correct Answer - Option(B)
  • Views: 26
  • Filed under category PHP
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Explanation by: Admin

array_key_exists() checks for the presence of a key in an array.

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