PHP transform CSV to Array - does NOT support line breaks in CSV fields

csv_to_array_v1.php

public function csvToArray ($csv_file) {
    $csv = array_map(function($csv_file) {
        return str_getcsv($csv_file, ";");
    }, file($csv_file, FILE_SKIP_EMPTY_LINES));

    $keys = array_shift($csv);

    foreach ($csv as $i=>$row) {
        $csv[$i] = array_combine($keys, $row);
    }

    return $csv;
}