natcasesort
Description
Sort an array using a case insensitive "natural order" algorithm
Syntax
natcasesort ( array &$array ) : bool
Parameters
array
The input array.
Return
Returns TRUE on success or FALSE on failure.
Examples
1
<? $array = array("d" => "Lemon", "a" => "orange", "B" => "Banana", "C" => "apple"); natcasesort($array); foreach ($array as $key => $value) { echo "$key => $value\n"; } ?>
C => apple B => Banana d => Lemon 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($array1); natcasesort($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 )
3
<? $array1 = $array2 = array('-5', '3', '-2', '0', '-1000', '9'); asort($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 )