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ArrayObject::asort

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

ArrayObject::asortSort the entries by value

Descrizione

public ArrayObject::asort(int $flags = SORT_REGULAR): true

Sorts the entries in ascending order, such that its keys maintain their correlation with the values they are associated with.

This is used mainly when sorting associative arrays where the actual element order is significant.

Nota:

If two members compare as equal, they retain their original order. Prior to PHP 8.0.0, their relative order in the sorted array was undefined.

Elenco dei parametri

flags

The optional second parameter flags may be used to modify the sorting behavior using these values:

Sorting type flags:

Valori restituiti

Always returns true.

Log delle modifiche

Versione Descrizione
8.2.0 The return type is true now; previously, it was bool.

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:

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