block_element && '</' . $ignore_block_element . '>' === $content) {
                $ignore_block_element = '';
            }

            $output .= $content;
        }

        return $output;
    }

    /**
     * Replace matches by smiley image, lazyloaded
     *
     * @param array $matches Array of matches.
     * @return string
     */
    private function translateSmiley($matches)
    {
        global $wpsmiliestrans;

        if (count($matches) === 0) {
            return '';
        }

        $smiley = trim(reset($matches));
        $img    = $wpsmiliestrans[ $smiley ];

        $matches    = [];
        $ext        = preg_match('/\.([^.]+)$/', $img, $matches) ? strtolower($matches[1]) : false;
        $image_exts = ['jpg', 'jpeg', 'jpe', 'gif', 'png'];

        // Don't convert smilies that aren't images - they're probably emoji.
        if (! in_array($ext, $image_exts, true)) {
            return $img;
        }

        /**
         * Filter the Smiley image URL before it's used in the image element.
         *
         * @since 2.9.0
         *
         * @param string $smiley_url URL for the smiley image.
         * @param string $img        Filename for the smiley image.
         * @param string $site_url   Site URL, as returned by site_url().
         */
        $src_url = apply_filters('smilies_src', includes_url("images/smilies/$img"), $img, site_url());

        // Don't LazyLoad if process is stopped for these reasons.
        if (is_feed() || is_preview()) {
            return sprintf(' <img src="%s" alt="%s" class="wp-smiley" /> ', esc_url($src_url), esc_attr($smiley));
        }

        return sprintf(' <img src="%s" data-lazy-src="%s" alt="%s" class="wp-smiley" /> ', $this->getPlaceholder(), esc_url($src_url), esc_attr($smiley));
    }

    /**
     * Returns the placeholder for the src attribute
     *
     * @since 1.2
     * @author Remy Perona
     *
     * @param int $width  Width of the placeholder image. Default 0.
     * @param int $height Height of the placeholder image. Default 0.
     * @return string
     */
    public function getPlaceholder($width = 0, $height = 0)
    {
        $width  = 0 === $width ? 0 : absint($width);
        $height = 0 === $height ? 0 : absint($height);

        $placeholder = str_replace(' ', '%20', "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 $width $height'%3E%3C/svg%3E");
        /**
         * Filter the image lazyLoad placeholder on src attribute
         *
         * @since 1.1
         *
         * @param string $placeholder Placeholder that will be printed.
         * @param int    $width Placeholder width.
         * @param int    $height Placeholder height.
         */
        return apply_filters('rocket_lazyload_placeholder', $placeholder, $width, $height);
    }
}
<br />
<b>Fatal error</b>:  Uncaught TypeError: Argument 3 passed to WP_Rocket\Subscriber\Optimization\Lazyload_Subscriber::__construct() must be an instance of RocketLazyload\Image, string given in /home/payon/public_html/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-lazyload-subscriber.php:75
Stack trace:
#0 [internal function]: WP_Rocket\Subscriber\Optimization\Lazyload_Subscriber-&gt;__construct(Object(WP_Rocket\Admin\Options_Data), Object(RocketLazyload\Assets), 'RocketLazyload\\...', Object(RocketLazyload\Iframe))
#1 /home/payon/public_html/wp-content/plugins/wp-rocket/vendor/league/container/src/Definition/ClassDefinition.php(47): ReflectionClass-&gt;newInstanceArgs(Array)
#2 /home/payon/public_html/wp-content/plugins/wp-rocket/vendor/league/container/src/Container.php(290): League\Container\Definition\ClassDefinition-&gt;build()
#3 /home/payon/public_html/wp-content/plugins/wp-rocket/vendor/league/container/src/Container.php(90): League\Container\Container-&gt;getFromThisContainer('lazyload_subscr...', Array)
#4 /ho in <b>/home/payon/public_html/wp-content/plugins/wp-rocket/inc/classes/subscriber/Optimization/class-lazyload-subscriber.php</b> on line <b>75</b><br />