Which of the following will return the complete URL of the requested PHP page?

What is the output?

What is the output?

Which is not true regarding XForms?

Which printing construct/function accepts multiple parameters?

Why does the PHP function 'require_once' work slower than 'require'?

Which does not have a resource for a return type?

When passing an object to json_encode(), the default behavior can be modified by:

How would you fall back on the default value of 'Unknown', if a request-parameter is missing or empty?

What's the output? function luckyA (&$beebar){ $beebar *= 2; return $beebar; } $x= 4; $y = luckyA($x); $x += 5; echo $x . ', ' . $y;

Which is not magic method?