echo gettype("4");
The statement will output the string "string".
file_exists()
filesize() function
Q: – Which function contains the current session's ID?
session_id()
If cookies are not available, the SID constant contains a name/value pair that can be incorporated in a query string. It will pass the session ID from script request to script request.
4;
gettype(44);
5/12;
They are all expressions because they all resolve to values.
Q: – What function do you use to open a file for reading or writing?
fopen() function
You can use the require() or include() statement to incorporate PHP files into the current document. You could also use include_once() or require_once().
5 < 2
What data type will the returned value be?
The expression will resolve to false, which is a Boolean value.
Submitted By:-Payal Gupta Email-ID: – payalgupta1325@yahool.com
