1: <?php
 2: 
 3: namespace BN\Compiler\Postfix\Operands;
 4: 
 5: use BN\Collections\Stack;
 6: 
 7: class FixedCount extends Operands
 8: {
 9:     protected function popOperands(Stack $stack)
10:     {
11:         $operands = array();
12:         $count = 0;
13:         while (!$stack->isEmpty()) {
14:             $operands[] = $stack->pop();
15:             if (++$count == $this->operandsCount) {
16:                 break;
17:             }
18:         }
19:         return $operands;
20:     }
21: 
22:     protected function isOperandsCountValid($operandsCount)
23:     {
24:         return $operandsCount == $this->operandsCount;
25:     }
26: }
27: