%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\LookupRef;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
class Filter
{
/**
* @param mixed $lookupArray
* @param mixed $matchArray
* @param mixed $ifEmpty
*
* @return mixed
*/
public static function filter($lookupArray, $matchArray, $ifEmpty = null)
{
if (!is_array($matchArray)) {
return ExcelError::VALUE();
}
$matchArray = self::enumerateArrayKeys($matchArray);
$result = (Matrix::isColumnVector($matchArray))
? self::filterByRow($lookupArray, $matchArray)
: self::filterByColumn($lookupArray, $matchArray);
if (empty($result)) {
return $ifEmpty ?? ExcelError::CALC();
}
return array_values(array_map('array_values', $result));
}
private static function enumerateArrayKeys(array $sortArray): array
{
array_walk(
$sortArray,
function (&$columns): void {
if (is_array($columns)) {
$columns = array_values($columns);
}
}
);
return array_values($sortArray);
}
private static function filterByRow(array $lookupArray, array $matchArray): array
{
$matchArray = array_values(array_column($matchArray, 0));
return array_filter(
array_values($lookupArray),
function ($index) use ($matchArray): bool {
return (bool) $matchArray[$index];
},
ARRAY_FILTER_USE_KEY
);
}
private static function filterByColumn(array $lookupArray, array $matchArray): array
{
$lookupArray = Matrix::transpose($lookupArray);
if (count($matchArray) === 1) {
$matchArray = array_pop($matchArray);
}
array_walk(
$matchArray,
function (&$value): void {
$value = [$value];
}
);
$result = self::filterByRow($lookupArray, $matchArray);
return Matrix::transpose($result);
}
}
Zerion Mini Shell 1.0