A

Admin • 828.03K Points
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Q. How do you check if a key exists in an array?

  • (A) array_has_key()
  • (B) key_exists()
  • (C) in_array()
  • (D) has_key()
  • Correct Answer - Option(B)
  • Views: 10
  • Filed under category PHP
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Explanation by: Admin
key_exists() checks if a specified key exists in an array.

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