PHP | asort() Function Last Updated : 09 Nov, 2022 Comments Improve Suggest changes Like Article Like Report The asort() function is an inbuilt function in PHP which is used to sort an array according to values. It sorts in a way that relation between indices and values is maintained. By default it sorts in ascending order of values. Syntax: bool asort( $array, $sorting_type ) Parameters: This function accepts two parameters as mentioned above and described below: $array: This parameter specifies the array which to be sort. It is a mandatory parameter. $sorting_type: This is an optional parameter. There are different sorting types which are discussed below: SORT_REGULAR: The value of $sorting_type is SORT_REGULAR then items are compare normally. SORT_NUMERIC: The value of $sorting_type is SORT_NUMERIC then items are compares numerically. SORT_STRING: The value of $sorting_type is SORT_STRING then items are compares as string. SORT_LOCALE_STRING: The value of $sorting_type is SORT_STRING then items are compares as string, based on current locale. Return Value: This function returns True on success or False on failure. Below programs illustrate the asort() function in PHP. Program 1: php <?php // PHP program to illustrate // asort() function // Input different array elements $arr = array("0" => "Web Technology", "1" => "Machine Learning", "2" => "GeeksforGeeks", "3" => "Computer Graphics", "4" => "Videos", "5" => "Report Bug", "6" => "Article", "7" => "Sudo Placement", "8" => "SContribute", "9" => "Reset", "10" => "Copy", "11" => "IDE", "12" => "Gate Note", ); // Implementation of asort() asort($arr); // for-Loop for displaying result foreach ($arr as $key => $val) { echo "[$key] = $val"; echo"\n"; } ?> Output: [6] = Article [3] = Computer Graphics [10] = Copy [12] = Gate Note [2] = GeeksforGeeks [11] = IDE [1] = Machine Learning [5] = Report Bug [9] = Reset [8] = SContribute [7] = Sudo Placement [4] = Videos [0] = Web Technology Program 2: php <?php // PHP program to illustrate // asort() function // Input different array elements $arr = array("a" => 11, "b" => 22, "d" => 33, "n" => 44, "o" => 55, "p" => 66, "r" => 77, "s" => 2, "q" => -11, "t" => 3, "u" => 1000, "z" => 1, ); // Implementation of asort() asort($arr); // for-Loop for displaying result foreach ($arr as $key => $val) { echo "[$key] = $val"; echo"\n"; } ?> Output: [q] = -11 [z] = 1 [s] = 2 [t] = 3 [a] = 11 [b] = 22 [d] = 33 [n] = 44 [o] = 55 [p] = 66 [r] = 77 [u] = 1000 Related Articles: sort() Function arsort() Function uksort() Function usort() Function Reference: http://php.net/manual/en/function.asort.php Comment More infoAdvertise with us Next Article PHP | asort() Function J jit_t Follow Improve Article Tags : Web Technologies PHP PHP-array PHP-function Similar Reads PHP arsort() Function The arsort() in PHP is used to sort an array according to values. It sorts in a way that relation between indices and values is maintained. By default it sorts in descending order of values. Syntax: bool arsort( $array, $sorting_type ) Parameters: This function accepts two parameters as mentioned ab 2 min read PHP Array Functions Arrays are one of the fundamental data structures in PHP. They are widely used to store multiple values in a single variable and can store different types of data, such as strings, integers, and even other arrays. PHP offers a large set of built-in functions to perform various operations on arrays. 7 min read PHP | collator_asort() Function The collator_asort() function is an inbuilt function in PHP which is used to sort array maintaining the index association. This function sorts an array such that array indices maintain their correlation with the array elements they are associated with. The array elements are sorted according to curr 2 min read PHP | collator_sort() Function The collator_sort() function is an inbuilt function in PHP which is used to sort an array using specified collator. This function returns True on success or False on failure. Syntax: Procedural style: bool collator_sort( $coll, $arr, $sort_flag ) Object oriented style: bool Collator::sort( $arr, $so 2 min read PHP DsSet sort() Function The Ds\Set::sort() function of DS\Set class in PHP is used to in-place sort the elements of a specified Set instance according to the values. By default, the Set is sorted according to the increasing order of the values. Syntax: void public Ds\Set::sort ([ callable $comparator ] ) Parameters: This f 2 min read Like