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Web technologies Questions | PHP Quiz | Set-2 | Question 12

  • Last Updated : 20 Sep, 2021

From the below filter which one is used to checking whether an element exists or not?
(A) filter_has_var
(B) filter_var
(C) filter_id
(D) filter_var_array


Answer: (A)

Explanation: The filter_has_var is the below filter which one is used to checking whether an element exists or not.

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