The natcasesort() sorts an array using a case insensitive "natural order" algorithm.
Note − This function is case-insensitive.
Syntax
natcasesort(arr)
Parameters
arr − The array to sort
Return
The natcasesort() function returns TRUE on success, or FALSE on failure.
Example
The following is an example −
<?php
$stu_rank = array("Rank10","Rank2","rank3","rank1","Rank7","rank4");
natcasesort($stu_rank);
print_r($stu_rank);
?>Output
The following is the output that shows case insensitive sort −
Array ( [3] => rank1 [1] => Rank2 [2] => rank3 [5] => rank4 [4] => Rank7 [0] => Rank10 )