$array1 = array('blue' => 1, 'red' => 2, 'green' => 3, 'purple' => 4); $array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7, 'cyan' => 8); var_dump(array_diff_key($array1, $array2));

What is the end tag in PHP

What function in PHP to display?

Use of Unlink()

Function to insert one or more elements to the end of an array.

Function to calculate the sum of values in an array

Which will return the extension of a file name?

Which code snippet has the most appropriate headers to force the browser to download a CSV file?

With regards to the 'static' keyword in PHP, which statements is false?

Which environment variable is used to fetch the IP address of the user in a PHP application?

Which is true about the 'new' operator in PHP?