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  1. <?php
  2.  
  3. function declOfNum($num, $titles) {
  4. $cases = array (2, 0, 1, 1, 1, 2);
  5. return $titles[($num%100>4 && $num%100<20)? 2 : $cases[min($num%10, 5)]];
  6. }
  7.  
  8. $allCount = 51;
  9. $endWord = declOfNum($allCount , array('ь', 'я', 'ей'));
  10. echo $allCount . ' пользовател' . $endWord;
Success #stdin #stdout 0.02s 24448KB
stdin
Standard input is empty
stdout
51 пользователь