ArrayObject::ksort
(PHP 5 >= 5.2.0, PHP 7)
ArrayObject::ksort — Sort the entries by key
설명
public void ArrayObject::ksort
( void
)
Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.
인수
이 함수는 인수가 없습니다.
반환값
값을 반환하지 않습니다.
예제
Example #1 ArrayObject::ksort() example
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->ksort();
foreach ($fruitArrayObject as $key => $val) {
echo "$key = $val\n";
}
?>
위 예제의 출력:
a = orange b = banana c = apple d = lemon
참고
- ArrayObject::asort() - Sort the entries by value
- ArrayObject::natsort() - Sort entries using a "natural order" algorithm
- ArrayObject::natcasesort() - Sort an array using a case insensitive "natural order" algorithm
- ArrayObject::uasort() - Sort the entries with a user-defined comparison function and maintain key association
- ArrayObject::uksort() - Sort the entries by keys using a user-defined comparison function
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