(PHP 5 >= 5.2.0)
ArrayObject::ksort — Sort the entries by key
Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.
Esta función no tiene parámetros.
No se devuelve ningún valor.
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";
}
?>
El resultado del ejemplo sería:
a = orange b = banana c = apple d = lemon