?php $arr = array( 5 = 1, 12 = 2); $arr[] = 56; / / This is the same as $arr[13] = 56; / / at this point of the script $arr["x"] = 42; / / This adds a new element to / / the array with key "x "unset($arr[5]); / / This removes the element from the array unset($arr); / / This deletes the whole array?
Useful functions