Display fieldnames of datafile

Code : (for display purposes, some lines wrap. The ↵ character indicates it. The character is not part of the code)

$path_to_db_script = $_SERVER['DOCUMENT_ROOT']↵
          . "/" . "db/pjjtextbase.php";
require $path_to_db_script;
$fieldnames = 'novels.csv';
$novels = ptb_connect ($fieldnames);
echo "<p>Fieldnames of : <code>"↵
           . $fieldnames . "</code>.</p>";
print_r (ptb_fieldnames ($novels));

Output :

Fieldnames of : novels.csv.

Array
(
    [0] => id
    [1] => year
    [2] => @protagonist
    [3] => title
    [4] => %aka
    [5] => protagonist
    [6] => @nationality
    [7] => nationality
    [8] => aka
)

⇪ Feb 17 2021 06:30:59