Sort an array using a "natural order" algorithm
Syntax
natsort ( array &$array ) : bool
Parameters
array
The input array.
Return
Returns TRUE on success or FALSE on failure.
Examples
1
<?
$array = array("d" => "Lemon", "a" => "orange", "B" => "Banana", "C" => "apple");
natsort($array);
foreach ($array as $key => $value) {
echo "$key => $value\n";
}
?>
B => Banana d => Lemon C => apple a => orange
2
<?
$array1 = $array2 = array("img12.svg", "img10.svg", "img2.svg", "img1.svg", "IMG4.svg", "IMG3.svg");
asort($array1);
echo "asort:\n";
print_r($array1);
natsort($array2);
echo "natsort:\n";
print_r($array2);
?>
asort:
Array
(
[5] => IMG3.svg
[4] => IMG4.svg
[3] => img1.svg
[1] => img10.svg
[0] => img12.svg
[2] => img2.svg
)
natsort:
Array
(
[5] => IMG3.svg
[4] => IMG4.svg
[3] => img1.svg
[2] => img2.svg
[1] => img10.svg
[0] => img12.svg
)
3
<?
$array1 = $array2 = array('-5', '3', '-2', '0', '-1000', '9');
asort($array1);
echo "asort:\n";
print_r($array1);
natsort($array2);
echo "natsort:\n";
print_r($array2);
?>
asort:
Array
(
[4] => -1000
[0] => -5
[2] => -2
[3] => 0
[1] => 3
[5] => 9
)
natsort:
Array
(
[2] => -2
[0] => -5
[4] => -1000
[3] => 0
[1] => 3
[5] => 9
)
