ArrayObject::ksort

(PHP 5 >= 5.2.0, PHP 7)
Sort the entries by key
public void ArrayObject::ksort ( void )

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

Returns:

No value is returned.

Examples:
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
See also:

ArrayObject::asort() -

ArrayObject::natsort() -

ArrayObject::natcasesort() -

ArrayObject::uasort() -

ArrayObject::uksort() -

doc_php
2016-02-24 16:20:24
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