MrMaksimize/gist:2360518

## gistfile1.aw
<?php

$array_one = array('bird' => 'penguin');

$t1 = $array_one['bird']; //that's fine
$t2 = $array_one['mammal']; //doesn't exist, throws a notice
$t3 = empty($array_one['mammal']) ? NULL : $array_one['mammal']; //checks if mammal is empty, if it is, sets null, otherwise sets the value.
	<?php

	$array_one = array('bird' => 'penguin');

	$t1 = $array_one['bird']; //that's fine
	$t2 = $array_one['mammal']; //doesn't exist, throws a notice
	$t3 = empty($array_one['mammal']) ? NULL : $array_one['mammal']; //checks if mammal is empty, if it is, sets null, otherwise sets the value.