Ksort () in the php array function sequence sorts the element key names in ascending order to maintain
Source: Internet
Author: User
The ksort () function sorts the array in ascending order by key name and retains the original key for the array value. The second optional parameter contains an additional sorting flag.
Ksort () definition and usage The ksort () function sorts the array in ascending order by key name and retains the original key for the array value.
The second optional parameter contains an additional sorting flag.
If yes, TRUE is returned. otherwise, FALSE is returned.
Syntax Ksort (array, sorttype) parameter description
Array is required. Specifies the array to be sorted.
Sorttype is optional. Specifies how to arrange the values of an array. Possible values:
SORT_REGULAR-default. Process with their original type (without changing the type ).
SORT_NUMERIC-process the value as a number
SORT_STRING-process the value as a string
SORT_LOCALE_STRING-process the value as a string based on local settings *.
*: This value is newly added to PHP 4.4.0 and 5.0.2. Before PHP 6, you can use setlocale () to change the region settings of the system. From PHP 6, you must use the i18n_loc_set_default () function.
Example
Copy codeThe code is as follows:
$ My_array = array ("e" => "Dog", "B" => "Cat", "c" => "Horse ");
Ksort ($ my_array );
Print_r ($ my_array );
?>
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