تالار گفتمان nCIS.ir

$array=array(100,14,7,8,9,6,87,778,99,8,36,4,147,36,9,4,747,99,6,33,1,47,477,17,669,3,7,7,666,555,44,33,33,223,233,453,6756,4534,12,24,12,4535,77,87,43,23);

function getMaxItems($array, $count)
{
    rsort($array);
    $result = array();
    while(count($result) < $count && count($array) > 0) {
        $result[] = array_shift($array);
    }
    return $result;
}

$array = array(100, 14, 7, 8, 9, 6, 87, 778, 99, 8, 36, 4, 147, 36, 9, 4, 747, 99, 6, 33, 1, 47, 477, 17, 669, 3, 7, 7, 666, 555, 44, 33, 33, 223, 233, 453, 6756, 4534, 12, 24, 12, 4535, 77, 87, 43, 23);

echo '<pre>' . print_r(getMaxItems($array, 10), true) . '</pre>';

/* Output:
Array
(
    [0] => 6756
    [1] => 4535
    [2] => 4534
    [3] => 778
    [4] => 747
    [5] => 669
    [6] => 666
    [7] => 555
    [8] => 477
    [9] => 453
)
*/

<?php

function maxN(array $numbers, $n)
{
   $maxHeap = new SplMaxHeap;
   foreach($numbers as $number) {
       $maxHeap->insert($number);
   }
   return iterator_to_array(
       new LimitIterator($maxHeap, 0, $n)
   );
}

$array=array(100,14,7,8,9,6,87,778,99,8,36,4,147,36,9,4,747,99,6,33,1,47,477,17,669,3,7,7,666,555,44,33,33,223,233,453,6756,4534,12,24,12,4535,77,87,43,23);
print_r( maxN( $array, 10 ) );

Array
(
   [45] => 6756
   [44] => 4535
   [43] => 4534
   [42] => 778
   [41] => 747
   [40] => 669
   [39] => 666
   [38] => 555
   [37] => 477
   [36] => 453
)

$user=$this->model->all_user();
$user_c=array();

foreach($user as $us){
$user_c[]=$this->model->count_user($us['id']);
}

function getMaxItems($array, $count)
{
    $sorted = $array;
    rsort($sorted);
    $result = array();
    while(count($result) < $count && count($array) > 0) {
        $item = array_shift($sorted);
        $key = array_search($item, $array);
        unset($array[$key]);
        $result[$key] = $item;
    }
    return $result;
}

$array = array(100, 14, 7, 8, 9, 6, 87, 778, 99, 8, 36, 4, 147, 36, 9, 4, 747, 99, 6, 33, 1, 47, 477, 17, 669, 3, 7, 7, 666, 555, 44, 33, 33, 223, 233, 453, 6756, 4534, 12, 24, 12, 4535, 77, 87, 43, 23);

echo '<pre>' . print_r(getMaxItems($array, 10), true) . '</pre>';

/* Output:
Array
(
    [36] => 6756
    [41] => 4535
    [37] => 4534
    [7] => 778
    [16] => 747
    [24] => 669
    [28] => 666
    [29] => 555
    [22] => 477
    [35] => 453
)
*/