(PHP 5 >= 5.2.0, PHP 7)
ArrayObject::ksort — Sort the entries by key
Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.
This function has no parameters.
No value is returned.
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";
}
?>
The above example will output:
a = orange b = banana c = apple d = lemon