public static function PHPExcel_Calculation_Logical::NOT in Loft Data Grids 6.2

Same name and namespace in other branches

1. 7.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Calculation/Logical.php \PHPExcel_Calculation_Logical::NOT()

* NOT * * Returns the boolean inverse of the argument. * * Excel Function: * =NOT(logical) * * The argument must evaluate to a logical value such as TRUE or FALSE * * Boolean arguments are treated as True or False as appropriate * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value * * @access public * @category Logical Functions *

Parameters

mixed $logical A value or expression that can be evaluated to TRUE or FALSE: * @return boolean The boolean inverse of the argument.

File

vendor/phpoffice/phpexcel/Classes/PHPExcel/Calculation/Logical.php, line 212

Class

PHPExcel_Calculation_Logical

PHPExcel_Calculation_Logical

Code

public static function NOT($logical = FALSE) {
  $logical = PHPExcel_Calculation_Functions::flattenSingleValue($logical);
  if (is_string($logical)) {
    $logical = strtoupper($logical);
    if ($logical == 'TRUE' || $logical == PHPExcel_Calculation::getTRUE()) {
      return FALSE;
    }
    elseif ($logical == 'FALSE' || $logical == PHPExcel_Calculation::getFALSE()) {
      return TRUE;
    }
    else {
      return PHPExcel_Calculation_Functions::VALUE();
    }
  }
  return !$logical;
}