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Feature: (amerov) - Implementation of the Excel HLOOKUP() function

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This commit is contained in:
Mark Baker 2013-06-14 23:57:50 +01:00
parent 78c034880f
commit dfc74f8b95
5 changed files with 110 additions and 3 deletions
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2
Classes/PHPExcel/Calculation.php
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@ -841,7 +841,7 @@ class PHPExcel_Calculation {
'argumentCount' => '1,2'
),
'HLOOKUP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE,
'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY',
'functionCall' => 'PHPExcel_Calculation_LookupRef::HLOOKUP',
'argumentCount' => '3,4'
),
'HOUR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME,

66
Classes/PHPExcel/Calculation/LookupRef.php
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@ -721,7 +721,8 @@ class PHPExcel_Calculation_LookupRef {
$rowNumber = $rowValue = False;
foreach($lookup_array as $rowKey => $rowData) {
if (strtolower($rowData[$firstColumn]) > strtolower($lookup_value)) {
if ((is_numeric($lookup_value) && is_numeric($rowData[$firstColumn]) && ($rowData[$firstColumn] > $lookup_value)) ||
(!is_numeric($lookup_value) && !is_numeric($rowData[$firstColumn]) && (strtolower($rowData[$firstColumn]) > strtolower($lookup_value)))) {
break;
}
$rowNumber = $rowKey;
@ -742,6 +743,69 @@ class PHPExcel_Calculation_LookupRef {
} // function VLOOKUP()
/**
* HLOOKUP
* The HLOOKUP function searches for value in the top-most row of lookup_array and returns the value in the same column based on the index_number.
* @param lookup_value The value that you want to match in lookup_array
* @param lookup_array The range of cells being searched
* @param index_number The row number in table_array from which the matching value must be returned. The first row is 1.
* @param not_exact_match Determines if you are looking for an exact match based on lookup_value.
* @return mixed The value of the found cell
*/
public static function HLOOKUP($lookup_value, $lookup_array, $index_number, $not_exact_match=true) {
$lookup_value = PHPExcel_Calculation_Functions::flattenSingleValue($lookup_value);
$index_number = PHPExcel_Calculation_Functions::flattenSingleValue($index_number);
$not_exact_match = PHPExcel_Calculation_Functions::flattenSingleValue($not_exact_match);
// index_number must be greater than or equal to 1
if ($index_number < 1) {
return PHPExcel_Calculation_Functions::VALUE();
}
// index_number must be less than or equal to the number of columns in lookup_array
if ((!is_array($lookup_array)) || (empty($lookup_array))) {
return PHPExcel_Calculation_Functions::REF();
} else {
$f = array_keys($lookup_array);
$firstRow = array_pop($f);
if ((!is_array($lookup_array[$firstRow])) || ($index_number > count($lookup_array[$firstRow]))) {
return PHPExcel_Calculation_Functions::REF();
} else {
$columnKeys = array_keys($lookup_array[$firstRow]);
$firstkey = $f[0] - 1;
$returnColumn = $firstkey + $index_number;
$firstColumn = array_shift($f);
}
}
if (!$not_exact_match) {
$firstRowH = asort($lookup_array[$firstColumn]);
}
$rowNumber = $rowValue = False;
foreach($lookup_array[$firstColumn] as $rowKey => $rowData) {
if ((is_numeric($lookup_value) && is_numeric($rowData) && ($rowData > $lookup_value)) ||
(!is_numeric($lookup_value) && !is_numeric($rowData) && (strtolower($rowData) > strtolower($lookup_value)))) {
break;
}
$rowNumber = $rowKey;
$rowValue = $rowData;
}
if ($rowNumber !== false) {
if ((!$not_exact_match) && ($rowValue != $lookup_value)) {
// if an exact match is required, we have what we need to return an appropriate response
return PHPExcel_Calculation_Functions::NA();
} else {
// otherwise return the appropriate value
return $lookup_array[$returnColumn][$rowNumber];
}
}
return PHPExcel_Calculation_Functions::NA();
} // function HLOOKUP()
/**
* LOOKUP
* The LOOKUP function searches for value either from a one-row or one-column range or from an array.

2
changelog.txt
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@ -27,7 +27,7 @@ Fixed in develop branch for release v1.7.9a:
- Bugfix: (MBaker) Work item 19830 - Undefined variable: fileHandle in CSV Reader
- Bugfix: (MBaker) - Style error with merged cells in PDF Writer
- Bugfix: (MBaker) - Problem with cloning worksheets
- Feature: (amerov) - Implementation of the Excel HLOOKUP() function
Fixed in develop branch for release v1.7.9:
- Feature: (MBaker) Include charts option for HTML Writer

34
unitTests/Classes/PHPExcel/Calculation/LookupRefTest.php Normal file
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@ -0,0 +1,34 @@
<?php
require_once 'testDataFileIterator.php';
class LookupRefTest extends PHPUnit_Framework_TestCase
{
public function setUp()
{
if (!defined('PHPEXCEL_ROOT'))
{
define('PHPEXCEL_ROOT', APPLICATION_PATH . '/');
}
require_once(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}
/**
* @dataProvider providerHLOOKUP
*/
public function testHLOOKUP()
{
$args = func_get_args();
$expectedResult = array_pop($args);
$result = call_user_func_array(array('PHPExcel_Calculation_LookupRef','HLOOKUP'),$args);
$this->assertEquals($expectedResult, $result);
}
public function providerHLOOKUP()
{
return new testDataFileIterator('rawTestData/Calculation/LookupRef/HLOOKUP.data');
}
}

9
unitTests/rawTestData/Calculation/LookupRef/HLOOKUP.data Normal file
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@ -0,0 +1,9 @@
10251, {"Order ID"|10247|10249|10250|10251|10252|10253;"Unit Price"|14.00|18.60|7.70|16.80|16.80|64.80;"Quantity"|12|9|10|6|20|40}, 2, FALSE, 16.8
10251, {"Order ID"|10247|10249|10250|10251|10252|10253;"Unit Price"|14.00|18.60|7.70|16.80|16.80|64.80;"Quantity"|12|9|10|6|20|40}, 3, FALSE, 6.0
10248, {"Order ID"|10247|10249|10250|10251|10252|10253;"Unit Price"|14.00|18.60|7.70|16.80|16.80|64.80;"Quantity"|12|9|10|6|20|40}, 2, FALSE, "#N/A"
10248, {"Order ID"|10247|10249|10250|10251|10252|10253;"Unit Price"|14.00|18.60|7.70|16.80|16.80|64.80;"Quantity"|12|9|10|6|20|40}, 2, TRUE, 14.0
"Axles", {"Axles"|"Bearings"|"Bolts";4|4|9;5|7|10;6|8|11}, 2, TRUE, 4
"Bearings", {"Axles"|"Bearings"|"Bolts";4|4|9;5|7|10;6|8|11}, 3, FALSE, 7
"B", {"Axles"|"Bearings"|"Bolts";4|4|9;5|7|10;6|8|11}, 3, TRUE, 5
"Bolts", {"Axles"|"Bearings"|"Bolts";4|4|9;5|7|10;6|8|11}, 4, 11
3, {1|2|3;"a"|"b"|"c";"d"|"e"|"f"}, 2, TRUE, "c"