Which of the following is/are an external data?
1. Cookies
2. Input data from a form
3. Server Variables
4. Web services data
A. Only 2
B. 2 and 3
C. None of the mentioned
D. All of the mentioned
Answer: Option D
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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