Which one of the following filter checks if variable of specified type exists?
A. filter_has_var
B. filter_var
C. filter_id
D. filter_var_array
Answer: Option A
This Question Belongs to PHP >> PHP Filter
Related Questions on PHP Filter
A. Only 2
B. 2 and 3
C. None of the mentioned
D. All of the mentioned
A. filter_var_array()
B. filter_var()
C. filter_input
D. filter_input_array
A. No output is returned
B. Integer is not valid
C. Integer is valid
D. Error
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