PHP 길이우선정렬

1 PHP

$fruits = ['banana','melon','pineapple','apple','lemon'];
usort($fruits, function($a,$b) {
    $lendiff = strlen($a) - strlen($b);
    return ($lendiff == 0) ? strcmp($a,$b) : $lendiff;
});
print_r($fruits);

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• 길이우선정렬