106 lines
3.6 KiB
PHP
106 lines
3.6 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
namespace PhpOffice\PhpSpreadsheet\Calculation\LookupRef;
|
||
|
|
|
||
|
|
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
|
||
|
|
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
|
||
|
|
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
|
||
|
|
|
||
|
|
class VLookup extends LookupBase
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* VLOOKUP
|
||
|
|
* The VLOOKUP function searches for value in the left-most column of lookup_array and returns the value
|
||
|
|
* in the same row based on the index_number.
|
||
|
|
*
|
||
|
|
* @param mixed $lookupValue The value that you want to match in lookup_array
|
||
|
|
* @param mixed $lookupArray The range of cells being searched
|
||
|
|
* @param mixed $indexNumber The column number in table_array from which the matching value must be returned.
|
||
|
|
* The first column is 1.
|
||
|
|
* @param mixed $notExactMatch determines if you are looking for an exact match based on lookup_value
|
||
|
|
*
|
||
|
|
* @return mixed The value of the found cell
|
||
|
|
*/
|
||
|
|
public static function lookup($lookupValue, $lookupArray, $indexNumber, $notExactMatch = true)
|
||
|
|
{
|
||
|
|
$lookupValue = Functions::flattenSingleValue($lookupValue);
|
||
|
|
$indexNumber = Functions::flattenSingleValue($indexNumber);
|
||
|
|
$notExactMatch = ($notExactMatch === null) ? true : Functions::flattenSingleValue($notExactMatch);
|
||
|
|
|
||
|
|
try {
|
||
|
|
$indexNumber = self::validateIndexLookup($lookupArray, $indexNumber);
|
||
|
|
} catch (Exception $e) {
|
||
|
|
return $e->getMessage();
|
||
|
|
}
|
||
|
|
|
||
|
|
$f = array_keys($lookupArray);
|
||
|
|
$firstRow = array_pop($f);
|
||
|
|
if ((!is_array($lookupArray[$firstRow])) || ($indexNumber > count($lookupArray[$firstRow]))) {
|
||
|
|
return Functions::REF();
|
||
|
|
}
|
||
|
|
$columnKeys = array_keys($lookupArray[$firstRow]);
|
||
|
|
$returnColumn = $columnKeys[--$indexNumber];
|
||
|
|
$firstColumn = array_shift($columnKeys);
|
||
|
|
|
||
|
|
if (!$notExactMatch) {
|
||
|
|
uasort($lookupArray, ['self', 'vlookupSort']);
|
||
|
|
}
|
||
|
|
|
||
|
|
$rowNumber = self::vLookupSearch($lookupValue, $lookupArray, $firstColumn, $notExactMatch);
|
||
|
|
|
||
|
|
if ($rowNumber !== null) {
|
||
|
|
// return the appropriate value
|
||
|
|
return $lookupArray[$rowNumber][$returnColumn];
|
||
|
|
}
|
||
|
|
|
||
|
|
return Functions::NA();
|
||
|
|
}
|
||
|
|
|
||
|
|
private static function vlookupSort($a, $b)
|
||
|
|
{
|
||
|
|
reset($a);
|
||
|
|
$firstColumn = key($a);
|
||
|
|
$aLower = StringHelper::strToLower($a[$firstColumn]);
|
||
|
|
$bLower = StringHelper::strToLower($b[$firstColumn]);
|
||
|
|
|
||
|
|
if ($aLower == $bLower) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ($aLower < $bLower) ? -1 : 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
private static function vLookupSearch($lookupValue, $lookupArray, $column, $notExactMatch)
|
||
|
|
{
|
||
|
|
$lookupLower = StringHelper::strToLower($lookupValue);
|
||
|
|
|
||
|
|
$rowNumber = null;
|
||
|
|
foreach ($lookupArray as $rowKey => $rowData) {
|
||
|
|
$bothNumeric = is_numeric($lookupValue) && is_numeric($rowData[$column]);
|
||
|
|
$bothNotNumeric = !is_numeric($lookupValue) && !is_numeric($rowData[$column]);
|
||
|
|
$cellDataLower = StringHelper::strToLower($rowData[$column]);
|
||
|
|
|
||
|
|
// break if we have passed possible keys
|
||
|
|
if (
|
||
|
|
$notExactMatch &&
|
||
|
|
(($bothNumeric && ($rowData[$column] > $lookupValue)) ||
|
||
|
|
($bothNotNumeric && ($cellDataLower > $lookupLower)))
|
||
|
|
) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
$rowNumber = self::checkMatch(
|
||
|
|
$bothNumeric,
|
||
|
|
$bothNotNumeric,
|
||
|
|
$notExactMatch,
|
||
|
|
$rowKey,
|
||
|
|
$cellDataLower,
|
||
|
|
$lookupLower,
|
||
|
|
$rowNumber
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $rowNumber;
|
||
|
|
}
|
||
|
|
}
|