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Name	Size	Permission	Date
Query	[ DIR ]	drwxrwxrwx	2025-03-23 13:35
Serializer	[ DIR ]	drwxrwxrwx	2025-03-23 13:35
AbstractCsv.php	18.2 KB	-rw-rw-rw-	2025-02-27 23:00
Bom.php	3.63 KB	-rw-rw-rw-	2025-02-27 23:00
Buffer.php	14.58 KB	-rw-rw-rw-	2025-02-27 23:00
ByteSequence.php	1.09 KB	-rw-rw-rw-	2025-02-27 23:00
CallbackStreamFilter.php	4.57 KB	-rw-rw-rw-	2025-02-27 23:00
CannotInsertRecord.php	1.44 KB	-rw-rw-rw-	2025-02-27 23:00
CharsetConverter.php	13.16 KB	-rw-rw-rw-	2025-02-27 23:00
ColumnConsistency.php	1.17 KB	-rw-rw-rw-	2025-02-27 23:00
EncloseField.php	4.25 KB	-rw-rw-rw-	2025-02-27 23:00
EscapeFormula.php	4.21 KB	-rw-rw-rw-	2025-02-27 23:00
Exception.php	437 B	-rw-rw-rw-	2025-02-27 23:00
FragmentFinder.php	13.07 KB	-rw-rw-rw-	2025-02-27 23:00
FragmentNotFound.php	407 B	-rw-rw-rw-	2025-02-27 23:00
HTMLConverter.php	7.3 KB	-rw-rw-rw-	2025-02-27 23:00
HttpHeaders.php	1.88 KB	-rw-rw-rw-	2025-02-27 23:00
Info.php	2.38 KB	-rw-rw-rw-	2025-02-27 23:00
InvalidArgument.php	3.96 KB	-rw-rw-rw-	2025-02-27 23:00
JsonConverter.php	18.97 KB	-rw-rw-rw-	2025-02-27 23:00
MapIterator.php	1.75 KB	-rw-rw-rw-	2025-02-27 23:00
RFC4180Field.php	6.8 KB	-rw-rw-rw-	2025-02-27 23:00
RdbmsResult.php	2.28 KB	-rw-rw-rw-	2025-02-27 23:00
Reader.php	17.39 KB	-rw-rw-rw-	2025-02-27 23:00
ResultSet.php	20.3 KB	-rw-rw-rw-	2025-02-27 23:00
Statement.php	16.9 KB	-rw-rw-rw-	2025-02-27 23:00
Stream.php	15.21 KB	-rw-rw-rw-	2025-02-27 23:00
StreamFilter.php	5.59 KB	-rw-rw-rw-	2025-02-27 23:00
SwapDelimiter.php	5.37 KB	-rw-rw-rw-	2025-02-27 23:00
SyntaxError.php	1.64 KB	-rw-rw-rw-	2025-02-27 23:00
TabularData.php	2.24 KB	-rw-rw-rw-	2025-02-27 23:00
TabularDataReader.php	5.13 KB	-rw-rw-rw-	2025-02-27 23:00
TabularDataWriter.php	1.21 KB	-rw-rw-rw-	2025-02-27 23:00
UnableToProcessCsv.php	363 B	-rw-rw-rw-	2025-02-27 23:00
UnavailableFeature.php	1.05 KB	-rw-rw-rw-	2025-02-27 23:00
UnavailableStream.php	787 B	-rw-rw-rw-	2025-02-27 23:00
Writer.php	9.92 KB	-rw-rw-rw-	2025-02-27 23:00
XMLConverter.php	8.89 KB	-rw-rw-rw-	2025-02-27 23:00
functions.php	1.6 KB	-rw-rw-rw-	2025-02-27 23:00
functions_include.php	342 B	-rw-rw-rw-	2025-02-27 23:00

Rename

<?php

/**
 * League.Csv (https://csv.thephpleague.com)
 *
 * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace League\Csv;

use Generator;
use mysqli_result;
use PDO;
use PDOStatement;
use PgSql\Result;
use RuntimeException;
use SQLite3Result;

use function array_column;
use function array_map;
use function pg_fetch_assoc;
use function pg_field_name;
use function pg_num_fields;
use function range;

use const SQLITE3_ASSOC;

final class RdbmsResult
{
    /**
     * @throws RuntimeException If no column names information is found.
     *
     * @return list<string>
     */
    public static function columnNames(PDOStatement|Result|mysqli_result|SQLite3Result $result): array
    {
        return match (true) {
            $result instanceof PDOStatement => array_map(fn (int $index): string => $result->getColumnMeta($index)['name'] ?? throw new RuntimeException('Unable to get metadata for column '.$index), range(0, $result->columnCount() - 1)),
            $result instanceof mysqli_result => array_column($result->fetch_fields(), 'name'),
            $result instanceof Result => array_map(fn (int $index) => pg_field_name($result, $index), range(0, pg_num_fields($result) - 1)),
            $result instanceof SQLite3Result => array_map($result->columnName(...), range(0, $result->numColumns() - 1)),
        };
    }

/**
     * @return Generator<int, array<array-key, mixed>>
     */
    public static function rows(PDOStatement|Result|mysqli_result|SQLite3Result $result): Generator
    {
        if ($result instanceof PDOStatement) {
            while ($row = $result->fetch(PDO::FETCH_ASSOC)) {
                yield $row; /* @phpstan-ignore-line */
            }

return;
        }

if ($result instanceof Result) {
            while ($row = pg_fetch_assoc($result)) {
                yield $row;
            }

return;
        }

if ($result instanceof mysqli_result) {
            while ($row = $result->fetch_assoc()) {
                yield $row;
            }

return;
        }

while ($row = $result->fetchArray(SQLITE3_ASSOC)) {
            yield $row;
        }
    }
}