What will the $array array contain at the end of the execution of the following script?

<?php
$array = array ('1', '1');
foreach ($array as $k => $v) {
$v = 2;
}
?>

• array (’2′, ’2′)
• array (’1′, ’1′)
• array (2, 2)
• array (Null, Null)
• array (1, 1)
• I don’t know

Answer:
array (’1′, ’1′)