You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
609 lines
30 KiB
609 lines
30 KiB
<?php
|
|
|
|
namespace PhpOffice\PhpSpreadsheet\Calculation;
|
|
|
|
class Database
|
|
{
|
|
/**
|
|
* fieldExtract.
|
|
*
|
|
* Extracts the column ID to use for the data field.
|
|
*
|
|
* @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 mixed $field Indicates which column is used in the function. Enter the
|
|
* column label enclosed between double quotation marks, such as
|
|
* "Age" or "Yield," or a number (without quotation marks) that
|
|
* represents the position of the column within the list: 1 for
|
|
* the first column, 2 for the second column, and so on.
|
|
*
|
|
* @return null|string
|
|
*/
|
|
private static function fieldExtract($database, $field)
|
|
{
|
|
$field = strtoupper(Functions::flattenSingleValue($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;
|
|
}
|
|
|
|
/**
|
|
* filter.
|
|
*
|
|
* Parses the selection criteria, extracts the database rows that match those criteria, and
|
|
* returns that subset of rows.
|
|
*
|
|
* @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 mixed[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return array of mixed
|
|
*/
|
|
private static function filter($database, $criteria)
|
|
{
|
|
$fieldNames = array_shift($database);
|
|
$criteriaNames = array_shift($criteria);
|
|
|
|
// Convert the criteria into a set of AND/OR conditions with [:placeholders]
|
|
$testConditions = $testValues = [];
|
|
$testConditionsCount = 0;
|
|
foreach ($criteriaNames as $key => $criteriaName) {
|
|
$testCondition = [];
|
|
$testConditionCount = 0;
|
|
foreach ($criteria as $row => $criterion) {
|
|
if ($criterion[$key] > '') {
|
|
$testCondition[] = '[:' . $criteriaName . ']' . Functions::ifCondition($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)) ? Calculation::wrapResult(strtoupper($dataValue)) : $dataValue;
|
|
$testConditionList = str_replace('[:' . $criteriaName . ']', $dataValue, $testConditionList);
|
|
}
|
|
}
|
|
// evaluate the criteria against the row data
|
|
$result = Calculation::getInstance()->_calculateFormulaValue('=' . $testConditionList);
|
|
// If the row failed to meet the criteria, remove it from the database
|
|
if (!$result) {
|
|
unset($database[$dataRow]);
|
|
}
|
|
}
|
|
|
|
return $database;
|
|
}
|
|
|
|
private static function getFilteredColumn($database, $field, $criteria)
|
|
{
|
|
// 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
|
|
$colData = [];
|
|
foreach ($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
return $colData;
|
|
}
|
|
|
|
/**
|
|
* DAVERAGE.
|
|
*
|
|
* Averages the values in a column of a list or database that match conditions you specify.
|
|
*
|
|
* Excel Function:
|
|
* DAVERAGE(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float|string
|
|
*/
|
|
public static function DAVERAGE($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::AVERAGE(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DCOUNT.
|
|
*
|
|
* Counts the cells that contain numbers in a column of a list or database that match conditions
|
|
* that you specify.
|
|
*
|
|
* Excel Function:
|
|
* DCOUNT(database,[field],criteria)
|
|
*
|
|
* Excel Function:
|
|
* DAVERAGE(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return int
|
|
*
|
|
* @TODO The field argument is optional. If field is omitted, DCOUNT counts all records in the
|
|
* database that match the criteria.
|
|
*/
|
|
public static function DCOUNT($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::COUNT(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DCOUNTA.
|
|
*
|
|
* Counts the nonblank cells in a column of a list or database that match conditions that you specify.
|
|
*
|
|
* Excel Function:
|
|
* DCOUNTA(database,[field],criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return int
|
|
*
|
|
* @TODO The field argument is optional. If field is omitted, DCOUNTA counts all records in the
|
|
* database that match the criteria.
|
|
*/
|
|
public static function DCOUNTA($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
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
|
|
$colData = [];
|
|
foreach ($database as $row) {
|
|
$colData[] = $row[$field];
|
|
}
|
|
|
|
// Return
|
|
return Statistical::COUNTA(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DGET.
|
|
*
|
|
* Extracts a single value from a column of a list or database that matches conditions that you
|
|
* specify.
|
|
*
|
|
* Excel Function:
|
|
* DGET(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public static function DGET($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
$colData = self::getFilteredColumn($database, $field, $criteria);
|
|
if (count($colData) > 1) {
|
|
return Functions::NAN();
|
|
}
|
|
|
|
return $colData[0];
|
|
}
|
|
|
|
/**
|
|
* DMAX.
|
|
*
|
|
* Returns the largest number in a column of a list or database that matches conditions you that
|
|
* specify.
|
|
*
|
|
* Excel Function:
|
|
* DMAX(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float
|
|
*/
|
|
public static function DMAX($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::MAX(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DMIN.
|
|
*
|
|
* Returns the smallest number in a column of a list or database that matches conditions you that
|
|
* specify.
|
|
*
|
|
* Excel Function:
|
|
* DMIN(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float
|
|
*/
|
|
public static function DMIN($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::MIN(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DPRODUCT.
|
|
*
|
|
* Multiplies the values in a column of a list or database that match conditions that you specify.
|
|
*
|
|
* Excel Function:
|
|
* DPRODUCT(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float
|
|
*/
|
|
public static function DPRODUCT($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return MathTrig::PRODUCT(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DSTDEV.
|
|
*
|
|
* Estimates the standard deviation 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:
|
|
* DSTDEV(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float|string
|
|
*/
|
|
public static function DSTDEV($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::STDEV(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DSTDEVP.
|
|
*
|
|
* Calculates the standard deviation 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:
|
|
* DSTDEVP(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float|string
|
|
*/
|
|
public static function DSTDEVP($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::STDEVP(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* DSUM.
|
|
*
|
|
* Adds the numbers in a column of a list or database that match conditions that you specify.
|
|
*
|
|
* Excel Function:
|
|
* DSUM(database,field,criteria)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float
|
|
*/
|
|
public static function DSUM($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return 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)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float|string (string if result is an error)
|
|
*/
|
|
public static function DVAR($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return 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)
|
|
*
|
|
* @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 int|string $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[] $criteria The range of cells that contains the conditions you specify.
|
|
* You can use any range for the criteria argument, as long as it
|
|
* includes at least one column label and at least one cell below
|
|
* the column label in which you specify a condition for the
|
|
* column.
|
|
*
|
|
* @return float|string (string if result is an error)
|
|
*/
|
|
public static function DVARP($database, $field, $criteria)
|
|
{
|
|
$field = self::fieldExtract($database, $field);
|
|
if ($field === null) {
|
|
return null;
|
|
}
|
|
|
|
// Return
|
|
return Statistical::VARP(
|
|
self::getFilteredColumn($database, $field, $criteria)
|
|
);
|
|
}
|
|
}
|