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  1. <?php
  2. error_reporting(-1);
  3. $total = 15;
  4. $skip  = 5;
  5. $array = array();
  6.  
  7.  
  8. for ($i = 1; $i <= $total; $i++) {
  9.     array_push($array, $i);
  10. }
  11.  
  12. function counter($array, $skip, $total)
  13. {
  14.     $end = end($array);
  15.     foreach ($array as $key => $value) {
  16.         if ($value == $end) {
  17.             $last = $key;
  18.         }
  19.         for ($i = 0; $i <= $total; $i++) {
  20.             if ($key == ($skip + $skip * $i) - 1) {
  21.                 $char = $key;
  22.                 unset($array[($skip + $skip * $i) - 1]);
  23.             }
  24.         }
  25.         $remain = $last - $char;
  26.     }
  27.     $array = array_values($array);
  28.     $ar    = array();
  29.     foreach ($array as $key => $value) {
  30.         array_push($ar, $key + $remain);
  31.     }
  32.     if ($remain != 0) {
  33.         $array = array_combine($ar, $array);
  34.     }
  35.     return $array;
  36. }
  37.  
  38. while (count($array) >= $skip) {
  39.     $array = counter($array, $skip, $total);
  40. }
  41. var_dump($array);
Success #stdin #stdout #stderr 0.01s 20520KB
comments (?)
stdin
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Standard input is empty
stdout
copy 
array(4) {
  [1]=>
  int(1)
  [2]=>
  int(2)
  [3]=>
  int(7)
  [4]=>
  int(13)
}
stderr
copy 
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: char in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
PHP Notice:  Undefined variable: last in /home/NyWDoG/prog.php on line 25
https://ideone.com/8cxQ04
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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