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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
class Subtotal
{
/**
* @param mixed $cellReference
* @param mixed $args
*/
protected static function filterHiddenArgs($cellReference, $args): array
{
return array_filter(
$args,
function ($index) use ($cellReference) {
$explodeArray = explode('.', $index);
$row = $explodeArray[1] ?? '';
if (!is_numeric($row)) {
return true;
}
return $cellReference->getWorksheet()->getRowDimension($row)->getVisible();
},
ARRAY_FILTER_USE_KEY
);
}
/**
* @param mixed $cellReference
* @param mixed $args
*/
protected static function filterFormulaArgs($cellReference, $args): array
{
return array_filter(
$args,
function ($index) use ($cellReference) {
$explodeArray = explode('.', $index);
$row = $explodeArray[1] ?? '';
$column = $explodeArray[2] ?? '';
$retVal = true;
if ($cellReference->getWorksheet()->cellExists($column . $row)) {
//take this cell out if it contains the SUBTOTAL or AGGREGATE functions in a formula
$isFormula = $cellReference->getWorksheet()->getCell($column . $row)->isFormula();
$cellFormula = !preg_match(
'/^=.*\b(SUBTOTAL|AGGREGATE)\s*\(/i',
$cellReference->getWorksheet()->getCell($column . $row)->getValue() ?? ''
);
$retVal = !$isFormula || $cellFormula;
}
return $retVal;
},
ARRAY_FILTER_USE_KEY
);
}
private const CALL_FUNCTIONS = [
1 => [Statistical\Averages::class, 'average'], // 1 and 101
[Statistical\Counts::class, 'COUNT'], // 2 and 102
[Statistical\Counts::class, 'COUNTA'], // 3 and 103
[Statistical\Maximum::class, 'max'], // 4 and 104
[Statistical\Minimum::class, 'min'], // 5 and 105
[Operations::class, 'product'], // 6 and 106
[Statistical\StandardDeviations::class, 'STDEV'], // 7 and 107
[Statistical\StandardDeviations::class, 'STDEVP'], // 8 and 108
[Sum::class, 'sumIgnoringStrings'], // 9 and 109
[Statistical\Variances::class, 'VAR'], // 10 and 110
[Statistical\Variances::class, 'VARP'], // 111 and 111
];
/**
* SUBTOTAL.
*
* Returns a subtotal in a list or database.
*
* @param mixed $functionType
* A number 1 to 11 that specifies which function to
* use in calculating subtotals within a range
* list
* Numbers 101 to 111 shadow the functions of 1 to 11
* but ignore any values in the range that are
* in hidden rows
* @param mixed[] $args A mixed data series of values
*
* @return float|string
*/
public static function evaluate($functionType, ...$args)
{
$cellReference = array_pop($args);
$bArgs = Functions::flattenArrayIndexed($args);
$aArgs = [];
// int keys must come before string keys for PHP 8.0+
// Otherwise, PHP thinks positional args follow keyword
// in the subsequent call to call_user_func_array.
// Fortunately, order of args is unimportant to Subtotal.
foreach ($bArgs as $key => $value) {
if (is_int($key)) {
$aArgs[$key] = $value;
}
}
foreach ($bArgs as $key => $value) {
if (!is_int($key)) {
$aArgs[$key] = $value;
}
}
try {
$subtotal = (int) Helpers::validateNumericNullBool($functionType);
} catch (Exception $e) {
return $e->getMessage();
}
// Calculate
if ($subtotal > 100) {
$aArgs = self::filterHiddenArgs($cellReference, $aArgs);
$subtotal -= 100;
}
$aArgs = self::filterFormulaArgs($cellReference, $aArgs);
if (array_key_exists($subtotal, self::CALL_FUNCTIONS)) {
/** @var callable */
$call = self::CALL_FUNCTIONS[$subtotal];
return call_user_func_array($call, $aArgs);
}
return ExcelError::VALUE();
}
}
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