What will the function below print when called? $value = "hello world"; function printHello($x = "hello") { $x = $value; var_dump($x); }

What's the output?

Which is a predefined class in PHP?

Which PHP function reads entire file into an array?

What's the output? File: view.php File: test.php

What doesn this statement means $a === $b

Which is not a valid cURL parameter in PHP?

Which is a correct declaration?

Which is a ternary operator?

Which statement will return true?

Function to calculate the amount of memory allocated to a PHP script?