Assume you have an existing associative array, $people, that already contains username and email values. What is

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Question:

Assume you have an existing associative array, $people, that already contains username and email values. What is the PHP statement to add a 'position' element to the array that has a value of 'student' while keeping the username and email elements unchanged ?

$people['position'] = 'student';

$people=>position = 'student';

$user->array->push('role', 'student');

$user['role'] = 'student';

$people = ('position' => 'student');

$people->array->push('position', 'student');

$people->position = 'student';