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676 lines
32 KiB
676 lines
32 KiB
<?php |
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/** PHPExcel root directory */ |
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if (!defined('PHPEXCEL_ROOT')) { |
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/** |
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* @ignore |
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*/ |
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); |
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); |
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} |
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/** |
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* PHPExcel_Calculation_Database |
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* |
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* Copyright (c) 2006 - 2015 PHPExcel |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* @category PHPExcel |
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* @package PHPExcel_Calculation |
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) |
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
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* @version ##VERSION##, ##DATE## |
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*/ |
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class PHPExcel_Calculation_Database |
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{ |
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/** |
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* fieldExtract |
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* |
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* Extracts the column ID to use for the data field. |
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* |
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* @access private |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param mixed $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @return string|NULL |
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* |
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*/ |
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private static function fieldExtract($database, $field) |
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{ |
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$field = strtoupper(PHPExcel_Calculation_Functions::flattenSingleValue($field)); |
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$fieldNames = array_map('strtoupper', array_shift($database)); |
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if (is_numeric($field)) { |
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$keys = array_keys($fieldNames); |
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return $keys[$field-1]; |
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} |
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$key = array_search($field, $fieldNames); |
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return ($key) ? $key : null; |
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} |
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/** |
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* filter |
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* |
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* Parses the selection criteria, extracts the database rows that match those criteria, and |
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* returns that subset of rows. |
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* |
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* @access private |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return array of mixed |
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* |
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*/ |
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private static function filter($database, $criteria) |
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{ |
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$fieldNames = array_shift($database); |
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$criteriaNames = array_shift($criteria); |
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// Convert the criteria into a set of AND/OR conditions with [:placeholders] |
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$testConditions = $testValues = array(); |
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$testConditionsCount = 0; |
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foreach ($criteriaNames as $key => $criteriaName) { |
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$testCondition = array(); |
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$testConditionCount = 0; |
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foreach ($criteria as $row => $criterion) { |
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if ($criterion[$key] > '') { |
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$testCondition[] = '[:'.$criteriaName.']'.PHPExcel_Calculation_Functions::ifCondition($criterion[$key]); |
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$testConditionCount++; |
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} |
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} |
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if ($testConditionCount > 1) { |
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$testConditions[] = 'OR(' . implode(',', $testCondition) . ')'; |
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$testConditionsCount++; |
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} elseif ($testConditionCount == 1) { |
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$testConditions[] = $testCondition[0]; |
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$testConditionsCount++; |
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} |
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} |
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if ($testConditionsCount > 1) { |
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$testConditionSet = 'AND(' . implode(',', $testConditions) . ')'; |
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} elseif ($testConditionsCount == 1) { |
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$testConditionSet = $testConditions[0]; |
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} |
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// Loop through each row of the database |
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foreach ($database as $dataRow => $dataValues) { |
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// Substitute actual values from the database row for our [:placeholders] |
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$testConditionList = $testConditionSet; |
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foreach ($criteriaNames as $key => $criteriaName) { |
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$k = array_search($criteriaName, $fieldNames); |
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if (isset($dataValues[$k])) { |
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$dataValue = $dataValues[$k]; |
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$dataValue = (is_string($dataValue)) ? PHPExcel_Calculation::wrapResult(strtoupper($dataValue)) : $dataValue; |
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$testConditionList = str_replace('[:' . $criteriaName . ']', $dataValue, $testConditionList); |
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} |
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} |
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// evaluate the criteria against the row data |
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$result = PHPExcel_Calculation::getInstance()->_calculateFormulaValue('='.$testConditionList); |
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// If the row failed to meet the criteria, remove it from the database |
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if (!$result) { |
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unset($database[$dataRow]); |
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} |
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} |
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return $database; |
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} |
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private static function getFilteredColumn($database, $field, $criteria) |
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{ |
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// reduce the database to a set of rows that match all the criteria |
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$database = self::filter($database, $criteria); |
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// extract an array of values for the requested column |
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$colData = array(); |
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foreach ($database as $row) { |
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$colData[] = $row[$field]; |
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} |
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return $colData; |
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} |
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/** |
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* DAVERAGE |
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* |
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* Averages the values in a column of a list or database that match conditions you specify. |
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* |
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* Excel Function: |
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* DAVERAGE(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return float |
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* |
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*/ |
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public static function DAVERAGE($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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// Return |
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return PHPExcel_Calculation_Statistical::AVERAGE( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
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/** |
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* DCOUNT |
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* |
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* Counts the cells that contain numbers in a column of a list or database that match conditions |
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* that you specify. |
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* |
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* Excel Function: |
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* DCOUNT(database,[field],criteria) |
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* |
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* Excel Function: |
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* DAVERAGE(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return integer |
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* |
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* @TODO The field argument is optional. If field is omitted, DCOUNT counts all records in the |
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* database that match the criteria. |
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* |
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*/ |
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public static function DCOUNT($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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// Return |
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return PHPExcel_Calculation_Statistical::COUNT( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
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/** |
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* DCOUNTA |
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* |
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* Counts the nonblank cells in a column of a list or database that match conditions that you specify. |
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* |
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* Excel Function: |
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* DCOUNTA(database,[field],criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return integer |
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* |
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* @TODO The field argument is optional. If field is omitted, DCOUNTA counts all records in the |
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* database that match the criteria. |
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* |
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*/ |
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public static function DCOUNTA($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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// reduce the database to a set of rows that match all the criteria |
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$database = self::filter($database, $criteria); |
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// extract an array of values for the requested column |
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$colData = array(); |
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foreach ($database as $row) { |
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$colData[] = $row[$field]; |
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} |
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// Return |
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return PHPExcel_Calculation_Statistical::COUNTA( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
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/** |
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* DGET |
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* |
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* Extracts a single value from a column of a list or database that matches conditions that you |
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* specify. |
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* |
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* Excel Function: |
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* DGET(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return mixed |
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* |
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*/ |
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public static function DGET($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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|
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// Return |
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$colData = self::getFilteredColumn($database, $field, $criteria); |
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if (count($colData) > 1) { |
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return PHPExcel_Calculation_Functions::NaN(); |
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} |
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return $colData[0]; |
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} |
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/** |
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* DMAX |
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* |
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* Returns the largest number in a column of a list or database that matches conditions you that |
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* specify. |
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* |
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* Excel Function: |
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* DMAX(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return float |
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* |
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*/ |
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public static function DMAX($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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// Return |
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return PHPExcel_Calculation_Statistical::MAX( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
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|
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/** |
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* DMIN |
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* |
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* Returns the smallest number in a column of a list or database that matches conditions you that |
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* specify. |
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* |
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* Excel Function: |
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* DMIN(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return float |
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* |
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*/ |
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public static function DMIN($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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// Return |
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return PHPExcel_Calculation_Statistical::MIN( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
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|
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/** |
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* DPRODUCT |
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* |
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* Multiplies the values in a column of a list or database that match conditions that you specify. |
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* |
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* Excel Function: |
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* DPRODUCT(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
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* A database is a list of related data in which rows of related |
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* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
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* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
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* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return float |
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* |
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*/ |
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public static function DPRODUCT($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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|
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// Return |
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return PHPExcel_Calculation_MathTrig::PRODUCT( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
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|
|
|
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/** |
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* DSTDEV |
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* |
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* Estimates the standard deviation of a population based on a sample by using the numbers in a |
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* column of a list or database that match conditions that you specify. |
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* |
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* Excel Function: |
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* DSTDEV(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
|
* A database is a list of related data in which rows of related |
|
* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
|
* @param string|integer $field Indicates which column is used in the function. Enter the |
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* column label enclosed between double quotation marks, such as |
|
* "Age" or "Yield," or a number (without quotation marks) that |
|
* represents the position of the column within the list: 1 for |
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* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return float |
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* |
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*/ |
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public static function DSTDEV($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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|
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// Return |
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return PHPExcel_Calculation_Statistical::STDEV( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
|
|
|
|
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/** |
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* DSTDEVP |
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* |
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* Calculates the standard deviation of a population based on the entire population by using the |
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* numbers in a column of a list or database that match conditions that you specify. |
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* |
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* Excel Function: |
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* DSTDEVP(database,field,criteria) |
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* |
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* @access public |
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* @category Database Functions |
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* @param mixed[] $database The range of cells that makes up the list or database. |
|
* A database is a list of related data in which rows of related |
|
* information are records, and columns of data are fields. The |
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* first row of the list contains labels for each column. |
|
* @param string|integer $field Indicates which column is used in the function. Enter the |
|
* column label enclosed between double quotation marks, such as |
|
* "Age" or "Yield," or a number (without quotation marks) that |
|
* represents the position of the column within the list: 1 for |
|
* the first column, 2 for the second column, and so on. |
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* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
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* You can use any range for the criteria argument, as long as it |
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* includes at least one column label and at least one cell below |
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* the column label in which you specify a condition for the |
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* column. |
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* @return float |
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* |
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*/ |
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public static function DSTDEVP($database, $field, $criteria) |
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{ |
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$field = self::fieldExtract($database, $field); |
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if (is_null($field)) { |
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return null; |
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} |
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|
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// Return |
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return PHPExcel_Calculation_Statistical::STDEVP( |
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self::getFilteredColumn($database, $field, $criteria) |
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); |
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} |
|
|
|
|
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/** |
|
* DSUM |
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* |
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* Adds the numbers in a column of a list or database that match conditions that you specify. |
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* |
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* Excel Function: |
|
* DSUM(database,field,criteria) |
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* |
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* @access public |
|
* @category Database Functions |
|
* @param mixed[] $database The range of cells that makes up the list or database. |
|
* A database is a list of related data in which rows of related |
|
* information are records, and columns of data are fields. The |
|
* first row of the list contains labels for each column. |
|
* @param string|integer $field Indicates which column is used in the function. Enter the |
|
* column label enclosed between double quotation marks, such as |
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* "Age" or "Yield," or a number (without quotation marks) that |
|
* represents the position of the column within the list: 1 for |
|
* the first column, 2 for the second column, and so on. |
|
* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
|
* You can use any range for the criteria argument, as long as it |
|
* includes at least one column label and at least one cell below |
|
* the column label in which you specify a condition for the |
|
* column. |
|
* @return float |
|
* |
|
*/ |
|
public static function DSUM($database, $field, $criteria) |
|
{ |
|
$field = self::fieldExtract($database, $field); |
|
if (is_null($field)) { |
|
return null; |
|
} |
|
|
|
// Return |
|
return PHPExcel_Calculation_MathTrig::SUM( |
|
self::getFilteredColumn($database, $field, $criteria) |
|
); |
|
} |
|
|
|
|
|
/** |
|
* DVAR |
|
* |
|
* Estimates the variance of a population based on a sample by using the numbers in a column |
|
* of a list or database that match conditions that you specify. |
|
* |
|
* Excel Function: |
|
* DVAR(database,field,criteria) |
|
* |
|
* @access public |
|
* @category Database Functions |
|
* @param mixed[] $database The range of cells that makes up the list or database. |
|
* A database is a list of related data in which rows of related |
|
* information are records, and columns of data are fields. The |
|
* first row of the list contains labels for each column. |
|
* @param string|integer $field Indicates which column is used in the function. Enter the |
|
* column label enclosed between double quotation marks, such as |
|
* "Age" or "Yield," or a number (without quotation marks) that |
|
* represents the position of the column within the list: 1 for |
|
* the first column, 2 for the second column, and so on. |
|
* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
|
* You can use any range for the criteria argument, as long as it |
|
* includes at least one column label and at least one cell below |
|
* the column label in which you specify a condition for the |
|
* column. |
|
* @return float |
|
* |
|
*/ |
|
public static function DVAR($database, $field, $criteria) |
|
{ |
|
$field = self::fieldExtract($database, $field); |
|
if (is_null($field)) { |
|
return null; |
|
} |
|
|
|
// Return |
|
return PHPExcel_Calculation_Statistical::VARFunc( |
|
self::getFilteredColumn($database, $field, $criteria) |
|
); |
|
} |
|
|
|
|
|
/** |
|
* DVARP |
|
* |
|
* Calculates the variance of a population based on the entire population by using the numbers |
|
* in a column of a list or database that match conditions that you specify. |
|
* |
|
* Excel Function: |
|
* DVARP(database,field,criteria) |
|
* |
|
* @access public |
|
* @category Database Functions |
|
* @param mixed[] $database The range of cells that makes up the list or database. |
|
* A database is a list of related data in which rows of related |
|
* information are records, and columns of data are fields. The |
|
* first row of the list contains labels for each column. |
|
* @param string|integer $field Indicates which column is used in the function. Enter the |
|
* column label enclosed between double quotation marks, such as |
|
* "Age" or "Yield," or a number (without quotation marks) that |
|
* represents the position of the column within the list: 1 for |
|
* the first column, 2 for the second column, and so on. |
|
* @param mixed[] $criteria The range of cells that contains the conditions you specify. |
|
* You can use any range for the criteria argument, as long as it |
|
* includes at least one column label and at least one cell below |
|
* the column label in which you specify a condition for the |
|
* column. |
|
* @return float |
|
* |
|
*/ |
|
public static function DVARP($database, $field, $criteria) |
|
{ |
|
$field = self::fieldExtract($database, $field); |
|
if (is_null($field)) { |
|
return null; |
|
} |
|
|
|
// Return |
|
return PHPExcel_Calculation_Statistical::VARP( |
|
self::getFilteredColumn($database, $field, $criteria) |
|
); |
|
} |
|
}
|
|
|