Check to see if a cgi variable with name and index is a file or not. keep in mind that the cgi environments may contain several variables with same name. the index allows us to specify which one.
returns true if the cgi variable is file.
See Implementation
Check to see if a cgi variable with name and index is a file or not. keep in mind that the cgi environments may contain several variables with same name. the index allows us to specify which one.
returns true if the cgi variable is file.