Suppose after successful login following values are stored in session as per the given code:- session_start(); $_SESSION['logged'] = 1; $_SESSION['id'] = $id; $_SESSION['name'] = $contact_name; $_SESSION['email'] = $email; Now how will you remove the email value from the session?

Which is not a valid PHP debugger?

What is the output?

What is the use of memory_get_peak_usage()?

Which is true about the curl_setopt() API?

Which is incorrect about empty()?

To determine if the file pointer is at the end of a successfully opened file, use the...

In PHP5, your 'construct' method must be named the exact same thing as your 'class'.

Which is used to format a number ?

The function setcookie( ) is used to

Which of the following will return TRUE?