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natcasesort

Description

The natcasesort of Array for PHP sort an array using a case insensitive "natural order" algorithm.

Syntax

natcasesort(
    array &$array
): true

Parameters

array

The input array.

Return

Returns true.

Examples

1 · array

<?

$array =
[
    "d" => "Lemon",
    "a" => "orange",
    "B" => "Banana",
    "C" => "apple"
];

natcasesort($array);

print_r($array);

Array
(
    [C] => apple
    [B] => Banana
    [d] => Lemon
    [a] => orange
)

2 · compare · int

<?

$array1 = $array2 =
[
    -5,
    3,
    -2,
    0,
    -1000,
    9
];

asort($array1);
echo "asort:\n";
print_r($array1);

natcasesort($array2);
echo "natcasesort:\n";
print_r($array2);

asort:
Array
(
    [4] => -1000
    [0] => -5
    [2] => -2
    [3] => 0
    [1] => 3
    [5] => 9
)
natcasesort:
Array
(
    [2] => -2
    [0] => -5
    [4] => -1000
    [3] => 0
    [1] => 3
    [5] => 9
)

3 · compare · string

<?

$array1 = $array2 =
[
    "img12.svg",
    "img10.svg",
    "img2.svg",
    "img1.svg",
    "IMG4.svg",
    "IMG3.svg"
];

asort($array1);
echo "asort:\n";
print_r($array1);

natcasesort($array2);
echo "natcasesort:\n";
print_r($array2);

asort:
Array
(
    [5] => IMG3.svg
    [4] => IMG4.svg
    [3] => img1.svg
    [1] => img10.svg
    [0] => img12.svg
    [2] => img2.svg
)
natcasesort:
Array
(
    [3] => img1.svg
    [2] => img2.svg
    [5] => IMG3.svg
    [4] => IMG4.svg
    [1] => img10.svg
    [0] => img12.svg
)