sort Sort an array &reftitle.description; boolsort arrayarray intsort_flags This function sorts an array. Elements will be arranged from lowest to highest when this function has completed. &reftitle.parameters; array The input array. sort_flags The optional second parameter sort_flags may be used to modify the sorting behavior using these values: Sorting type flags: SORT_REGULAR - compare items normally (don't change types) SORT_NUMERIC - compare items numerically SORT_STRING - compare items as strings SORT_LOCALE_STRING - compare items as strings, based on the current locale. Added in PHP 4.4.0 and 5.0.2. Before PHP 6, it uses the system locale, which can be changed using setlocale. Since PHP 6, you must use the i18n_loc_set_default function. &reftitle.returnvalues; &return.success; &reftitle.changelog; &Version; &Description; 4.0.0 The sort_flags parameter was added. &reftitle.examples; $val) { echo "fruits[" . $key . "] = " . $val . "\n"; } ?> ]]> &example.outputs; The fruits have been sorted in alphabetical order. &reftitle.notes; ¬e.no-key-association; Like most PHP sorting functions, sort uses an implementation of Quicksort. Be careful when sorting arrays with mixed types values because sort can produce unpredictable results. &reftitle.seealso; arsort asort ksort rsort usort uksort array_multisort krsort natsort natcasesort