/PHP/How to loop with while in php for array associative

How to loop with while in php for array associative

$assocarray = array('a' => 1, 'b' => 2, 'c' => 3);
$keys = array_keys($assocarray);
rsort($keys);
while (!empty($keys)) {
    $key = array_pop($keys);
    echo $key . ' = ' . $assocarray[$key] . '<br />';
};

Source: stackoverflow.com

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