385 lines
10 KiB
PHP
385 lines
10 KiB
PHP
<?php
|
|
/**
|
|
* PHPExcel
|
|
*
|
|
* Copyright (c) 2006 - 2011 PHPExcel
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* @category PHPExcel
|
|
* @package PHPExcel_Calculation
|
|
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
|
|
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
|
|
* @version ##VERSION##, ##DATE##
|
|
*/
|
|
|
|
|
|
/** PHPExcel root directory */
|
|
if (!defined('PHPEXCEL_ROOT')) {
|
|
/**
|
|
* @ignore
|
|
*/
|
|
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
|
|
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
|
|
}
|
|
|
|
|
|
/**
|
|
* PHPExcel_Calculation_Database
|
|
*
|
|
* @category PHPExcel
|
|
* @package PHPExcel_Calculation
|
|
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
|
|
*/
|
|
class PHPExcel_Calculation_Database {
|
|
|
|
|
|
private static function __fieldExtract($database,$field) {
|
|
$field = strtoupper(PHPExcel_Calculation_Functions::flattenSingleValue($field));
|
|
$fieldNames = array_map('strtoupper',array_shift($database));
|
|
|
|
if (is_numeric($field)) {
|
|
$keys = array_keys($fieldNames);
|
|
return $keys[$field-1];
|
|
}
|
|
$key = array_search($field,$fieldNames);
|
|
return ($key) ? $key : null;
|
|
}
|
|
|
|
private static function __filter($database,$criteria) {
|
|
$fieldNames = array_shift($database);
|
|
$criteriaNames = array_shift($criteria);
|
|
|
|
// Convert the criteria into a set of AND/OR conditions with [:placeholders]
|
|
$testConditions = $testValues = array();
|
|
$testConditionsCount = 0;
|
|
foreach($criteriaNames as $key => $criteriaName) {
|
|
$testCondition = array();
|
|
$testConditionCount = 0;
|
|
foreach($criteria as $row => $criterion) {
|
|
if ($criterion[$key] > '') {
|
|
$testCondition[] = '[:'.$criteriaName.']'.PHPExcel_Calculation_Functions::_ifCondition($criterion[$key]);
|
|
$testConditionCount++;
|
|
}
|
|
}
|
|
if ($testConditionCount > 1) {
|
|
$testConditions[] = 'OR('.implode(',',$testCondition).')';
|
|
$testConditionsCount++;
|
|
} elseif($testConditionCount == 1) {
|
|
$testConditions[] = $testCondition[0];
|
|
$testConditionsCount++;
|
|
}
|
|
}
|
|
if ($testConditionsCount > 1) {
|
|
$testConditionSet = 'AND('.implode(',',$testConditions).')';
|
|
} elseif($testConditionsCount == 1) {
|
|
$testConditionSet = $testConditions[0];
|
|
}
|
|
|
|
// Loop through each row of the database
|
|
foreach($database as $dataRow => $dataValues) {
|
|
// Substitute actual values from the database row for our [:placeholders]
|
|
$testConditionList = $testConditionSet;
|
|
foreach($criteriaNames as $key => $criteriaName) {
|
|
$k = array_search($criteriaName,$fieldNames);
|
|
if (isset($dataValues[$k])) {
|
|
$dataValue = $dataValues[$k];
|
|
$dataValue = (is_string($dataValue)) ? PHPExcel_Calculation::_wrapResult(strtoupper($dataValue)) : $dataValue;
|
|
$testConditionList = str_replace('[:'.$criteriaName.']',$dataValue,$testConditionList);
|
|
}
|
|
}
|
|
// evaluate the criteria against the row data
|
|
$result = PHPExcel_Calculation::getInstance()->_calculateFormulaValue('='.$testConditionList);
|
|
// If the row failed to meet the criteria, remove it from the database
|
|
if (!$result) {
|
|
unset($database[$dataRow]);
|
|
}
|
|
}
|
|
|
|
return $database;
|
|
}
|
|
|
|
|
|
/**
|
|
* DAVERAGE
|
|
*
|
|
*/
|
|
public static function DAVERAGE($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::AVERAGE($colData);
|
|
} // function DAVERAGE()
|
|
|
|
/**
|
|
* DCOUNT
|
|
*
|
|
*/
|
|
public static function DCOUNT($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::COUNT($colData);
|
|
} // function DCOUNT()
|
|
|
|
/**
|
|
* DCOUNTA
|
|
*
|
|
*/
|
|
public static function DCOUNTA($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::COUNTA($colData);
|
|
} // function DCOUNTA()
|
|
|
|
/**
|
|
* DGET
|
|
*
|
|
*/
|
|
public static function DGET($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
if (count($colData) > 1) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
return $colData[0];
|
|
} // function DGET()
|
|
|
|
/**
|
|
* DMAX
|
|
*
|
|
*/
|
|
public static function DMAX($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::MAX($colData);
|
|
} // function DMAX()
|
|
|
|
/**
|
|
* DMIN
|
|
*
|
|
*/
|
|
public static function DMIN($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::MIN($colData);
|
|
} // function DMIN()
|
|
|
|
/**
|
|
* DPRODUCT
|
|
*
|
|
*/
|
|
public static function DPRODUCT($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_MathTrig::PRODUCT($colData);
|
|
} // function DPRODUCT()
|
|
|
|
/**
|
|
* DSTDEV
|
|
*
|
|
*/
|
|
public static function DSTDEV($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::STDEV($colData);
|
|
} // function DSTDEV()
|
|
|
|
/**
|
|
* DSTDEVP
|
|
*
|
|
*/
|
|
public static function DSTDEVP($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::STDEVP($colData);
|
|
} // function DSTDEVP()
|
|
|
|
/**
|
|
* DSUM
|
|
*
|
|
*/
|
|
public static function DSUM($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_MathTrig::SUM($colData);
|
|
} // function DSUM()
|
|
|
|
/**
|
|
* DVAR
|
|
*
|
|
*/
|
|
public static function DVAR($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::VARFunc($colData);
|
|
} // function DVAR()
|
|
|
|
/**
|
|
* DVARP
|
|
*
|
|
*/
|
|
public static function DVARP($database,$field,$criteria) {
|
|
$field = self::__fieldExtract($database,$field);
|
|
if (is_null($field)) {
|
|
return NULL;
|
|
}
|
|
|
|
// reduce the database to a set of rows that match all the criteria
|
|
$database = self::__filter($database,$criteria);
|
|
// extract an array of values for the requested column
|
|
$colData = array();
|
|
foreach($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return PHPExcel_Calculation_Statistical::VARP($colData);
|
|
} // function DVARP()
|
|
|
|
|
|
} // class PHPExcel_Calculation_Database
|