ArrayObject::ksort

(PHP 5 >= 5.2.0, PHP 7)

ArrayObject::ksortSort the entries by key

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public ArrayObject::ksort ( void ) : void

Sorts the entries by key, maintaining key to entry correlations. This is useful mainly for associative arrays.

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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";
}
 
?>

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a = orange
b = banana
c = apple
d = lemon

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