ArrayObject natcasesort() Function in PHP Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report The natcasesort() function of the ArrayObject class in PHP is used to sort the elements of the ArrayObject following a natural order case sensitive sorting algorithm. Natural ordering means to arrange the elements in a order a normal human being would do. Syntax: void natcasesort() Parameters: This function does not accepts any parameters. Return Value: This function does not returns any value. Below programs illustrate the above function: Program 1: php <?php // PHP program to illustrate the // natcasesort() function $arr = array("b" => "geeks", "d" => "are", "a" => "awesome", "e" => "YAAY"); // Create array object $arrObject = new ArrayObject($arr); // Sort the ArrayObject $arrObject->natcasesort(); // Print the sorted ArrayObject print_r($arrObject); ?> Output: ArrayObject Object ( [storage:ArrayObject:private] => Array ( [d] => are [a] => awesome [b] => geeks [e] => YAAY ) ) Program 2: php <?php // PHP program to illustrate the // natcasesort() function $arr = array("45" => "geeks", "92" => "are", "10" => "awesome"); // Create array object $arrObject = new ArrayObject($arr); // Sort the ArrayObject $arrObject->natcasesort(); // Print the ArrayObject print_r($arrObject); ?> Output: ArrayObject Object ( [storage:ArrayObject:private] => Array ( [92] => are [10] => awesome [45] => geeks ) ) Reference: https://www.php.net/manual/en/arrayobject.natcasesort.php Create Quiz Comment G gopaldave Follow 0 Improve G gopaldave Follow 0 Improve Article Tags : Web Technologies PHP PHP-array PHP-function PHP-ArrayObject +1 More Explore BasicsPHP Syntax4 min readPHP Variables5 min readPHP | Functions6 min readPHP Loops4 min readArrayPHP Arrays5 min readPHP Associative Arrays4 min readMultidimensional arrays in PHP5 min readSorting Arrays in PHP4 min readOOPs & InterfacesPHP Classes2 min readPHP | Constructors and Destructors5 min readPHP Access Modifiers4 min readMultiple Inheritance in PHP4 min readMySQL DatabasePHP | MySQL Database Introduction4 min readPHP Database connection2 min readPHP | MySQL ( Creating Database )3 min readPHP | MySQL ( Creating Table )3 min readPHP AdvancePHP Superglobals6 min readPHP | Regular Expressions12 min readPHP Form Handling4 min readPHP File Handling4 min readPHP | Uploading File3 min readPHP Cookies9 min readPHP | Sessions7 min read Like