code: public static function QUOTIENT(...$args)
      {
          // Return value
          $returnValue = null;
  
          // Loop through arguments
          foreach (Functions::flattenArray($args) as $arg) {
              // Is it a numeric value?
              if ((is_numeric($arg)) && (!is_string($arg))) {
                  if ($returnValue === null) {
                      $returnValue = ($arg == 0) ? 0 : $arg;
                  } else {
                      if (($returnValue == 0) || ($arg == 0)) {
                          $returnValue = 0;
                      } else {
                          $returnValue /= $arg;
                      }
                  }
              }
          }
  
          // Return
          return (int) $returnValue;
      }
docs: QUOTIENT.
  
  QUOTIENT function returns the integer portion of a division. Numerator is the divided number
  and denominator is the divisor.
  
  Excel Function:
  QUOTIENT(value1[,value2[, ...]])
  
  @category Mathematical and Trigonometric Functions
  
  @param mixed ...$args Data values
  
  @return float