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utf8Encode example

$style .= sprintf(' title="%d%s characters"', $attr['length'], $attr['binary'] ? ' binary or non-UTF-8' : '');
        } elseif ('note' === $style && 0 < ($attr['depth'] ?? 0) && false !== $c = strrpos($value, '\\')) {
            $style .= ' title=""';
            $attr += [
                'ellipsis' => \strlen($value) - $c,
                'ellipsis-type' => 'note',
                'ellipsis-tail' => 1,
            ];
        } elseif ('protected' === $style) {
            $style .= ' title="Protected property"';
        } elseif ('meta' === $style && isset($attr['title'])) {
            $style .= sprintf(' title="%s"', esc($this->utf8Encode($attr['title'])));
        } elseif ('private' === $style) {
            $style .= sprintf(' title="Private property defined in class:
`%s`"', esc($this->utf8Encode($attr['class'])));
        }

        if (isset($attr['ellipsis'])) {
            $class = 'sf-dump-ellipsis';
            if (isset($attr['ellipsis-type'])) {
                $class = sprintf('"%s sf-dump-ellipsis-%s"', $class, $attr['ellipsis-type']);
            }
            $label = esc(substr($value, -$attr['ellipsis']));
            $style = str_replace(' title="', " title=\"$v\n", $style);

break;

            case 'NULL':
                $value = 'null';
                break;

            case 'boolean':
                $value = $value ? 'true' : 'false';
                break;

            default:
                $attr += ['value' => $this->utf8Encode($value)];
                $value = $this->utf8Encode($type);
                break;
        }

        $this->line .= $this->style($style, $value, $attr);

        $this->endValue($cursor);
    }

    /** * @return void */