Supported Versions: PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8
Get part of string
mb_substr(    string $string,    int $start,    ?int $length null,    ?string $encoding null): string
                            if ($this->getLength($currentLine) < $max) {

                                
$currentLine .= strings(self::$space)->repeat($max $this->getLength($currentLine))->toString();

                            } else if (
$this->getLength($currentLine) > $max) {

                                
$currentLine mb_substr($currentLine0, - ($this->getLength($currentLine) - $max));

                            }

                        }