⟩ Tell us how can we get the error when there is a problem to upload a file?
$_FILES[‘userfile’][‘error’] contains the error code associated with the uploaded file.
$_FILES[‘userfile’][‘error’] contains the error code associated with the uploaded file.
Tell me what is the definition of a session?
Tell us what does $_COOKIE means?
Explain me what is the goto statement useful for?
Tell me how can we determine whether a PHP variable is an instantiated object of a certain class?
Tell me how is it possible to parse a configuration file?
Explain me what is the difference between $_FILES[‘userfile’][‘name’] and $_FILES[‘userfile’][‘tmp_name’]?
Do you know what’s the difference between __sleep and __wakeup?
Explain what does the function get_magic_quotes_gpc() means?
Tell me what is the main difference between require() and require_once()?
Explain difference between urlencode and urldecode?