Parse a CSV string to an array and vice versa

CsvAndArrayParser.php

<?php

/**
 * @param string $content
 * @return array
 */
function csv_to_array(string $content): array
{
    $rows = str_getcsv($content, "\n");

    foreach ($rows as &$row) {
        $row = str_getcsv($row);
    }

    return $rows;
}

/**
 * @see https://coderwall.com/p/zvzwwa/array-to-comma-separated-string-in-php For source of function
 * @param array $data
 * @return string
 */
function array_to_csv(array $data): string
{
    // Generate CSV data from array.
    $fh = fopen('php://temp', 'rw');

    // Write out the data.
    foreach ($data as $row) {
        fputcsv($fh, $row);
    }
    rewind($fh);
    $csv = stream_get_contents($fh);
    fclose($fh);

    return $csv;
}