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class WebformEvalMathStack in Webform Calculator 7.2

Hierarchy

Expanded class hierarchy of WebformEvalMathStack

File

./matheval.class.php, line 368

View source
class WebformEvalMathStack {
  public $stack = array();
  public $count = 0;
  public function push($val) {
    $this->stack[$this->count] = $val;
    $this->count++;
  }
  public function pop() {
    if ($this->count > 0) {
      $this->count--;
      return $this->stack[$this->count];
    }
    return null;
  }
  public function last($n = 1) {
    if (isset($this->stack[$this->count - $n])) {
      return $this->stack[$this->count - $n];
    }
  }

}

Members