What will be the output: preg_match( '@^(?:http://)?([^/]+)@i', 'http://www.php.net/index.html', $matches ); $match = $matches[1]; echo $match;

What is the time complexity of a call to array_key_exists()?

What data types cannot be used with PHP5 Type Hinting?

Which superglobals doesn't contain data from the client?

Function to convert data into a binary string according to a specified format?

PHP function to get information about the current session cookie?

What is the output?

The built-in function to get the number of parameters passed is

In PHP5, what is the difference between using self and $this, and when is each appropriate?

What is the output?

Which is not a valid Xdebug configuration setting?