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<?php |
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namespace PhpOffice\PhpSpreadsheet\Calculation\MathTrig; |
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use PhpOffice\PhpSpreadsheet\Calculation\Functions; |
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class Sum |
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{ |
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/** |
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* SUM, ignoring non-numeric non-error strings. This is eventually used by SUMIF. |
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* |
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* SUM computes the sum of all the values and cells referenced in the argument list. |
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* |
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* Excel Function: |
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* SUM(value1[,value2[, ...]]) |
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* |
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* @param mixed ...$args Data values |
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* |
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* @return float|string |
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*/ |
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public static function sumIgnoringStrings(...$args) |
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{ |
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$returnValue = 0; |
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// Loop through the arguments |
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foreach (Functions::flattenArray($args) as $arg) { |
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// Is it a numeric value? |
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if (is_numeric($arg)) { |
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$returnValue += $arg; |
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} elseif (Functions::isError($arg)) { |
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return $arg; |
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} |
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} |
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return $returnValue; |
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} |
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/** |
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* SUM, returning error for non-numeric strings. This is used by Excel SUM function. |
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* |
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* SUM computes the sum of all the values and cells referenced in the argument list. |
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* |
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* Excel Function: |
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* SUM(value1[,value2[, ...]]) |
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* |
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* @param mixed ...$args Data values |
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* |
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* @return float|string |
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*/ |
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public static function sumErroringStrings(...$args) |
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{ |
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$returnValue = 0; |
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// Loop through the arguments |
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$aArgs = Functions::flattenArrayIndexed($args); |
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foreach ($aArgs as $k => $arg) { |
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// Is it a numeric value? |
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if (is_numeric($arg) || empty($arg)) { |
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if (is_string($arg)) { |
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$arg = (int) $arg; |
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} |
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$returnValue += $arg; |
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} elseif (is_bool($arg)) { |
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$returnValue += (int) $arg; |
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} elseif (Functions::isError($arg)) { |
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return $arg; |
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// ignore non-numerics from cell, but fail as literals (except null) |
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} elseif ($arg !== null && !Functions::isCellValue($k)) { |
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return Functions::VALUE(); |
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} |
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} |
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return $returnValue; |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
