ArrayObject::asort

(PHP 5 >= 5.2.0)

ArrayObject::asort — Sort the entries by value

Descrizione

public 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.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

Nessun valore viene restituito.

Esempi

Example #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";
}
?>

Il precedente esempio visualizzerà:

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.

Vedere anche:

ArrayObject::ksort() - Sort the entries by key
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