What will be the output of the following PHP 7.1 code?

$example = true;

example_y();

if ($example){

function example_x()

{

echo "PHP\n";

}

}

if ($example)example_x();

function example_y()

{

echo "Example\n";

}

?>

What will be the output? declare(ticks=1); function t_handler() { echo 'Example function\n'; } register_tick_function( $x = 1; if ($x > 0) { $x += 2; print($x); } ?>

What Output will be? interface Exp { public function x();} class First implements Exp { public function x() {} } class Second {} function x(Exp $e){ echo get_class($e).'\n'; } x(new First); x(new Second); ?>

Which is the correct syntax for a function with iterable generator return type?

Under which scenario, a TypeError may be thrown? i) When the argument type, which is being passed to a function, does not match its corresponding declared parameter type. ii) When the returned value from a function does not match the declared function return type. iii) When an invalid number of arguments are passed to a built-in PHP function.

How can you delete a file using a php function?

Which responsible for change the current directory?

(8 < 1 || 4 >= 4 ) will return

A fatal error would be caught by

Which function would you use to append one or more elements to the end of the array?