Compare two values with === operator in PHP

Question

What is the output of the following code ?
```php
function are_equal($a, $b) {
	if ($a === $b) {
		echo "$a is identical to $b
";
	}
}
are_equal(1, 1);
are_equal(0.0, 0);
are_equal("a", "a");
are_equal(array(), array());
```

Accepted Answer

```
1 is identical to 1
a is identical to a
Array is identical to Array
```

Answer

```
1 is identical to 1
0 is identical to 0
a is identical to a
```

Answer

```
1 is identical to 1
a is identical to a
```

Answer

```
1 is identical to 1
0.0 is identical to 0.0
a is identical to a
Array is identical to Array
```

Question from the PHP - Fundamentals test

Compare two values with === operator in PHP