Gregwar\RST\Parser::findTableChars PHP Method

    protected function findTableChars($line)
    {
        $lineChar = $line[0];
        $spaceChar = null;
        for ($i = 0; $i < strlen($line); $i++) {
            if ($line[$i] != $lineChar) {
                if ($spaceChar == null) {
                    $spaceChar = $line[$i];
                } else {
                    if ($line[$i] != $spaceChar) {
                        return false;
                    }
                }
            }
        }
        return array($lineChar, $spaceChar);
    }