truncateString example

case 'integer':
                    case 'double':
                        $out .= (string) $field->value->contents;
                        break;
                    case 'null':
                        $out .= '<var>'.$ref.'null</var>';
                        break;
                    case 'string':
                        if ($field->encoding) {
                            $val = $field->value->contents;
                            if (RichRenderer::$strlen_max && self::$respect_str_length) {
                                $val = Utils::truncateString($val, RichRenderer::$strlen_max);
                            }

                            $out .= $this->renderer->escape($val);
                        } else {
                            $out .= '<var>'.$type.'</var>';
                        }
                        break;
                    case 'array':
                        $out .= '<var>'.$ref.'array</var>'.$size;
                        break;
                    case 'object':
                        

$header .= $this->renderer->escape($o->returntype).'</var>';
        } elseif ($o->docstring) {
            if (\preg_match('/@return\\s+(.*)\\r?\\n/m', $o->docstring, $matches)) {
                if (\trim($matches[1])) {
                    $header .= ': <var>'.$this->renderer->escape(\trim($matches[1])).'</var>';
                }
            }
        }

        if (null !== ($s = $o->getValueShort())) {
            if (RichRenderer::$strlen_max) {
                $s = Utils::truncateString($s, RichRenderer::$strlen_max);
            }
            $header .= ' '.$this->renderer->escape($s);
        }

        if (\strlen($o->owner_class) && \strlen($o->name)) {
            self::$method_cache[$o->owner_class][$o->name] = [
                'header' => $header,
                'children' => $children,
            ];
        }

        

if (null !== ($s = $o->getSize())) {
            if (self::$escape_types) {
                $s = $this->escape($s);
            }
            $output .= '('.$s.') ';
        }

        if (null !== ($s = $o->getValueShort())) {
            $s = \preg_replace('/\\s+/', ' ', $s);

            if (self::$strlen_max) {
                $s = Utils::truncateString($s, self::$strlen_max);
            }

            $output .= $this->escape($s);
        }

        return \trim($output);
    }

    public function renderChildren(Value $o): string
    {
        $contents = [];
        

PHP_EOL;
        }

        return $this->colorTitle('No argument').PHP_EOL;
    }

    public function boxText(string $text, int $width): string
    {
        $out = '┌'.\str_repeat('─', $width - 2).'┐'.PHP_EOL;

        if (\strlen($text)) {
            $text = Utils::truncateString($text, $width - 4);
            $text = \str_pad($text, $width - 4);

            $out .= '│ '.$this->escape($text).' │'.PHP_EOL;
        }

        $out .= '└'.\str_repeat('─', $width - 2).'┘';

        return $out;
    }

    public function renderTitle(Value $o): string
    {