Which One Of The Following Filter Checks If The Variable Of The #138
Which one of the following filter checks if the variable of the specified type exists?
This multiple choice question (MCQ) is related to the book/course
gs gs107 PHP: Hypertext Preprocessor.
It can also be found in
gs gs107 Error Handling and Exception Handling - PHP Filter - Quiz No.1.
Which one of the following filter checks if the variable of the specified type exists?
filter_has_var
filter_var
filter_id
filter_var_array
