ArrayObject::appendArrayObject::asort
(PHP 5 >= 5.1.0)
ArrayObject::asort — Sort the entries by value
説明
void ArrayObject::asort
( void
)
Sorts the entries such that the keys maintain their correlation with the entries they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant.
パラメータ
この関数にはパラメータはありません。
返り値
値を返しません。
例
例1 ArrayObject::asort() example
<?php
$fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple");
$fruitArrayObject = new ArrayObject($fruits);
$fruitArrayObject->asort();
foreach ($fruitArrayObject as $key => $val) {
echo "$key = $val\n";
}
?>
上の例の出力は以下となります。
c = apple b = banana d = lemon a = orange
The fruits have been sorted in alphabetical order, and the key associated with each entry has been maintained.
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