Beispiel #1
0
function ewww_image_optimizer_scan_other()
{
    global $wpdb;
    // initialize the $attachments variable for auxiliary images
    $attachments = null;
    // check if there is a previous bulk operation to resume
    if (get_option('ewww_image_optimizer_aux_resume')) {
        // retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
        $attachments = get_option('ewww_image_optimizer_aux_attachments');
    } else {
        // collect a list of images from the current theme
        $child_path = get_stylesheet_directory();
        $parent_path = get_template_directory();
        $attachments = ewww_image_optimizer_image_scan($child_path);
        if ($child_path !== $parent_path) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
        }
        // collect a list of images for buddypress
        if (!function_exists('is_plugin_active')) {
            // need to include the plugin library for the is_plugin_active function
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }
        if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
        }
        if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
        }
        if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
            // scan the grand media folder for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
        }
        if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
        }
        if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
            $slide_paths = array();
            $sliders = $wpdb->get_col("SELECT ID FROM {$wpdb->posts} WHERE post_type = 'ml-slider'");
            $slides = $wpdb->get_col("\n\t\t\t\tSELECT wpposts.ID \n\t\t\t\tFROM {$wpdb->posts} wpposts \n\t\t\t\tINNER JOIN {$wpdb->term_relationships} term_relationships\n\t\t\t\t\t\tON wpposts.ID = term_relationships.object_id\n\t\t\t\tINNER JOIN {$wpdb->terms} wpterms \n\t\t\t\t\t\tON term_relationships.term_taxonomy_id = wpterms.term_id\n\t\t\t\tINNER JOIN {$wpdb->term_taxonomy} term_taxonomy\n\t\t\t\t\t\tON wpterms.term_id = term_taxonomy.term_id\n\t\t\t\tWHERE \tterm_taxonomy.taxonomy = 'ml-slider'\n\t\t\t\t\tAND wpposts.post_type = 'attachment'\n\t\t\t\t");
            foreach ($slides as $slide) {
                $type = get_post_meta($slide, 'ml-slider_type', true);
                $type = $type ? $type : 'image';
                // backwards compatibility, fall back to 'image'
                if ($type != 'image') {
                    continue;
                }
                $backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
                if (ewww_image_optimizer_iterable($backup_sizes)) {
                    foreach ($backup_sizes as $backup_size => $meta) {
                        if (preg_match('/resized-/', $backup_size)) {
                            $path = $meta['path'];
                            $image_size = ewww_image_optimizer_filesize($path);
                            if (!$image_size) {
                                continue;
                            }
                            $already_optimized = ewww_image_optimizer_find_already_optimized($path);
                            $mimetype = ewww_image_optimizer_mimetype($path, 'i');
                            if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
                                $slide_paths[] = $path;
                            }
                        }
                    }
                }
            }
            $attachments = array_merge($attachments, $slide_paths);
        }
        // collect a list of images in auxiliary folders provided by user
        if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
            if (ewww_image_optimizer_iterable($aux_paths)) {
                foreach ($aux_paths as $aux_path) {
                    $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
                }
            }
        }
        // store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
        update_option('ewww_image_optimizer_aux_attachments', $attachments, false);
    }
    return $attachments;
}
Beispiel #2
0
function ewww_image_optimizer_scan_other()
{
    global $wpdb;
    //	$aux_resume = get_option('ewww_image_optimizer_aux_resume');
    // initialize the $attachments variable for auxiliary images
    $attachments = null;
    // check the 'bulk resume' option
    //	$resume = get_option('ewww_image_optimizer_aux_resume');
    // check if there is a previous bulk operation to resume
    if (get_option('ewww_image_optimizer_aux_resume')) {
        // retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
        $attachments = get_option('ewww_image_optimizer_aux_attachments');
    } else {
        // collect a list of images from the current theme
        $child_path = get_stylesheet_directory();
        $parent_path = get_template_directory();
        $attachments = ewww_image_optimizer_image_scan($child_path);
        if ($child_path !== $parent_path) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
        }
        // collect a list of images for buddypress
        if (!function_exists('is_plugin_active')) {
            // need to include the plugin library for the is_plugin_active function
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }
        if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
        }
        if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
        }
        if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
            // scan the grand media folder for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
        }
        if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
        }
        if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
            $slide_paths = array();
            $sliders = get_posts(array('numberposts' => -1, 'post_type' => 'ml-slider', 'post_status' => 'any', 'fields' => 'ids'));
            foreach ($sliders as $slider) {
                $slides = get_posts(array('numberposts' => -1, 'orderby' => 'menu_order', 'order' => 'ASC', 'post_type' => 'attachment', 'post_status' => 'inherit', 'fields' => 'ids', 'tax_query' => array(array('taxonomy' => 'ml-slider', 'field' => 'slug', 'terms' => $slider))));
                foreach ($slides as $slide) {
                    $backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
                    $type = get_post_meta($slide, 'ml-slider_type', true);
                    $type = $type ? $type : 'image';
                    // backwards compatibility, fall back to 'image'
                    if ($type === 'image') {
                        foreach ($backup_sizes as $backup_size => $meta) {
                            if (preg_match('/resized-/', $backup_size)) {
                                $path = $meta['path'];
                                $image_size = filesize($path);
                                $query = $wpdb->prepare("SELECT id FROM {$wpdb->ewwwio_images} WHERE path LIKE %s AND image_size LIKE '{$image_size}'", $path);
                                $optimized_query = $wpdb->get_results($query, ARRAY_A);
                                if (!empty($optimized_query)) {
                                    foreach ($optimized_query as $image) {
                                        if ($image['path'] == $path) {
                                            //	$ewww_debug .= "{$image['path']} does not match $path, continuing our search<br>";
                                            $already_optimized = $image;
                                        }
                                    }
                                }
                                $mimetype = ewww_image_optimizer_mimetype($path, 'i');
                                if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
                                    $slide_paths[] = $path;
                                }
                            }
                        }
                    }
                }
            }
            $attachments = array_merge($attachments, $slide_paths);
        }
        // collect a list of images in auxiliary folders provided by user
        if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
            foreach ($aux_paths as $aux_path) {
                $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
            }
        }
        // store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
        update_option('ewww_image_optimizer_aux_attachments', $attachments);
    }
    return $attachments;
}
Beispiel #3
0
function ewww_image_optimizer_aux_images_script($hook)
{
    ewwwio_debug_message('<b>' . __FUNCTION__ . '()</b>');
    // make sure we are being called from the proper page
    if ('ewww-image-optimizer-auto' !== $hook && empty($_REQUEST['ewww_scan'])) {
        return;
    }
    session_write_close();
    global $wpdb;
    if (!empty($_REQUEST['ewww_force'])) {
        ewwwio_debug_message('forcing re-optimize: true');
    }
    // initialize the $attachments variable for auxiliary images
    $attachments = null;
    // check the 'bulk resume' option
    $resume = get_option('ewww_image_optimizer_aux_resume');
    // check if there is a previous bulk operation to resume
    if (!empty($resume)) {
        ewwwio_debug_message('resuming from where we left off, no scanning needed');
        // retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
        $attachments = get_option('ewww_image_optimizer_aux_attachments');
    } else {
        ewwwio_debug_message('getting fresh list of files to optimize');
        $attachments = array();
        // collect a list of images from the current theme
        $child_path = get_stylesheet_directory();
        $parent_path = get_template_directory();
        $attachments = ewww_image_optimizer_image_scan($child_path);
        if ($child_path !== $parent_path) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
        }
        if (!function_exists('is_plugin_active')) {
            // need to include the plugin library for the is_plugin_active function
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }
        // collect a list of images for buddypress
        if (is_plugin_active('buddypress/bp-loader.php') || is_plugin_active_for_network('buddypress/bp-loader.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
        }
        if (is_plugin_active('buddypress-activity-plus/bpfb.php') || is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
        }
        if (is_plugin_active('grand-media/grand-media.php') || is_plugin_active_for_network('grand-media/grand-media.php')) {
            // scan the grand media folder for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
        }
        if (is_plugin_active('wp-symposium/wp-symposium.php') || is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
        }
        if (is_plugin_active('ml-slider/ml-slider.php') || is_plugin_active_for_network('ml-slider/ml-slider.php')) {
            $slide_paths = array();
            $slides = $wpdb->get_col("\n\t\t\t\tSELECT wpposts.ID \n\t\t\t\tFROM {$wpdb->posts} wpposts \n\t\t\t\tINNER JOIN {$wpdb->term_relationships} term_relationships\n\t\t\t\t\t\tON wpposts.ID = term_relationships.object_id\n\t\t\t\tINNER JOIN {$wpdb->terms} wpterms \n\t\t\t\t\t\tON term_relationships.term_taxonomy_id = wpterms.term_id\n\t\t\t\tINNER JOIN {$wpdb->term_taxonomy} term_taxonomy\n\t\t\t\t\t\tON wpterms.term_id = term_taxonomy.term_id\n\t\t\t\tWHERE \tterm_taxonomy.taxonomy = 'ml-slider'\n\t\t\t\t\tAND wpposts.post_type = 'attachment'\n\t\t\t\t");
            foreach ($slides as $slide) {
                $backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
                $type = get_post_meta($slide, 'ml-slider_type', true);
                $type = $type ? $type : 'image';
                // backwards compatibility, fall back to 'image'
                if ($type === 'image') {
                    foreach ($backup_sizes as $backup_size => $meta) {
                        if (preg_match('/resized-/', $backup_size)) {
                            $path = $meta['path'];
                            $image_size = ewww_image_optimizer_filesize($path);
                            if (!$image_size) {
                                continue;
                            }
                            $already_optimized = ewww_image_optimizer_find_already_optimized($path);
                            $mimetype = ewww_image_optimizer_mimetype($path, 'i');
                            if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
                                $slide_paths[] = $path;
                            }
                        }
                    }
                }
            }
            $attachments = array_merge($attachments, $slide_paths);
        }
        // collect a list of images in auxiliary folders provided by user
        if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
            foreach ($aux_paths as $aux_path) {
                $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
            }
        }
        // scan images in two most recent media library folders if the option is enabled, and this is a scheduled optimization
        if ('ewww-image-optimizer-auto' == $hook && ewww_image_optimizer_get_option('ewww_image_optimizer_include_media_paths')) {
            // retrieve the location of the wordpress upload folder
            $upload_dir = wp_upload_dir();
            // retrieve the path of the upload folder
            $upload_path = $upload_dir['basedir'];
            $this_month = date('m');
            $this_year = date('Y');
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$this_year}/{$this_month}/"));
            if (class_exists('DateTime')) {
                $date = new DateTime();
                $date->sub(new DateInterval('P1M'));
                $last_year = $date->format('Y');
                $last_month = $date->format('m');
                $attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$last_year}/{$last_month}/"));
            }
        }
        // store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
        update_option('ewww_image_optimizer_aux_attachments', $attachments);
        ewwwio_debug_message('found ' . count($attachments) . ' images to optimize while scanning');
    }
    ewww_image_optimizer_debug_log();
    if (!empty($_REQUEST['ewww_scan'])) {
        echo count($attachments);
        ewwwio_memory(__FUNCTION__);
        die;
    } else {
        ewwwio_memory(__FUNCTION__);
        return;
    }
}
function ewww_image_optimizer_aux_images_script($hook)
{
    // make sure we are being called from the proper page
    if ('ewww-image-optimizer-auto' !== $hook && empty($_REQUEST['scan'])) {
        return;
    }
    global $ewww_debug;
    global $wpdb;
    $ewww_debug .= "<b>ewww_image_optimizer_aux_images_script()</b><br>";
    // initialize the $attachments variable for auxiliary images
    $attachments = null;
    // check the 'bulk resume' option
    $resume = get_option('ewww_image_optimizer_aux_resume');
    // check if there is a previous bulk operation to resume
    if (!empty($resume)) {
        // retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
        $attachments = get_option('ewww_image_optimizer_aux_attachments');
    } else {
        // collect a list of images from the current theme
        $child_path = get_stylesheet_directory();
        $parent_path = get_template_directory();
        $attachments = ewww_image_optimizer_image_scan($child_path);
        if ($child_path !== $parent_path) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
        }
        // collect a list of images in auxiliary folders provided by user
        if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
            foreach ($aux_paths as $aux_path) {
                $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
            }
        }
        // collect a list of images for buddypress
        if (is_plugin_active('buddypress/bp-loader.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('buddypress/bp-loader.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
        }
        if (is_plugin_active('buddypress-activity-plus/bpfb.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
        }
        if (is_plugin_active('wp-symposium/wp-symposium.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
        }
        if (is_plugin_active('ml-slider/ml-slider.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('ml-slider/ml-slider.php')) {
            $slide_paths = array();
            $sliders = get_posts(array('numberposts' => -1, 'post_type' => 'ml-slider', 'post_status' => 'any', 'fields' => 'ids'));
            foreach ($sliders as $slider) {
                $slides = get_posts(array('numberposts' => -1, 'orderby' => 'menu_order', 'order' => 'ASC', 'post_type' => 'attachment', 'post_status' => 'inherit', 'fields' => 'ids', 'tax_query' => array(array('taxonomy' => 'ml-slider', 'field' => 'slug', 'terms' => $slider))));
                foreach ($slides as $slide) {
                    $backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
                    $type = get_post_meta($slide, 'ml-slider_type', true);
                    $type = $type ? $type : 'image';
                    // backwards compatibility, fall back to 'image'
                    if ($type === 'image') {
                        foreach ($backup_sizes as $backup_size => $meta) {
                            if (preg_match('/resized-/', $backup_size)) {
                                $path = $meta['path'];
                                $image_size = filesize($path);
                                $query = $wpdb->prepare("SELECT id FROM {$wpdb->ewwwio_images} WHERE BINARY path LIKE %s AND image_size LIKE '{$image_size}'", $path);
                                $already_optimized = $wpdb->get_results($query);
                                $mimetype = ewww_image_optimizer_mimetype($path, 'i');
                                if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
                                    $slide_paths[] = $path;
                                }
                            }
                        }
                    }
                }
            }
            $attachments = array_merge($attachments, $slide_paths);
        }
        // store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
        update_option('ewww_image_optimizer_aux_attachments', $attachments);
    }
    ewww_image_optimizer_debug_log();
    // submit a couple variables to the javascript to work with
    $attachments = json_encode($attachments);
    if (!empty($_REQUEST['scan'])) {
        if (empty($attachments)) {
            _e('Nothing to optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN);
        } else {
            echo $attachments;
        }
        die;
    } else {
        return;
    }
}
Beispiel #5
0
function ewww_image_optimizer_aux_images_script($hook)
{
    // make sure we are being called from the proper page
    if ('ewww-image-optimizer-auto' !== $hook && empty($_REQUEST['ewww_scan'])) {
        return;
    }
    global $ewww_debug;
    global $wpdb;
    $ewww_debug .= "<b>ewww_image_optimizer_aux_images_script()</b><br>";
    if (!empty($_REQUEST['ewww_force'])) {
        $ewww_debug .= "forcing re-optimize: true<br>";
    }
    // initialize the $attachments variable for auxiliary images
    $attachments = null;
    // check the 'bulk resume' option
    $resume = get_option('ewww_image_optimizer_aux_resume');
    // check if there is a previous bulk operation to resume
    if (!empty($resume)) {
        // retrieve the attachment IDs that have not been finished from the 'bulk attachments' option
        $attachments = get_option('ewww_image_optimizer_aux_attachments');
    } else {
        $attachments = array();
        // collect a list of images from the current theme
        $child_path = get_stylesheet_directory();
        $parent_path = get_template_directory();
        $attachments = ewww_image_optimizer_image_scan($child_path);
        if ($child_path !== $parent_path) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($parent_path));
        }
        if (!function_exists('is_plugin_active')) {
            // need to include the plugin library for the is_plugin_active function
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }
        // collect a list of images for buddypress
        if (is_plugin_active('buddypress/bp-loader.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('buddypress/bp-loader.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/avatars'), ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/group-avatars'));
        }
        if (is_plugin_active('buddypress-activity-plus/bpfb.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('buddypress-activity-plus/bpfb.php')) {
            // get the value of the wordpress upload directory
            $upload_dir = wp_upload_dir();
            // scan the 'avatars' and 'group-avatars' folders for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($upload_dir['basedir'] . '/bpfb'));
        }
        if (is_plugin_active('grand-media/grand-media.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('grand-media/grand-media.php')) {
            // scan the grand media folder for images
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(WP_CONTENT_DIR . '/grand-media'));
        }
        if (is_plugin_active('wp-symposium/wp-symposium.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('wp-symposium/wp-symposium.php')) {
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan(get_option('symposium_img_path')));
        }
        if (is_plugin_active('ml-slider/ml-slider.php') || function_exists('is_plugin_active_for_network') && is_plugin_active_for_network('ml-slider/ml-slider.php')) {
            $slide_paths = array();
            $sliders = get_posts(array('numberposts' => -1, 'post_type' => 'ml-slider', 'post_status' => 'any', 'fields' => 'ids'));
            foreach ($sliders as $slider) {
                $slides = get_posts(array('numberposts' => -1, 'orderby' => 'menu_order', 'order' => 'ASC', 'post_type' => 'attachment', 'post_status' => 'inherit', 'fields' => 'ids', 'tax_query' => array(array('taxonomy' => 'ml-slider', 'field' => 'slug', 'terms' => $slider))));
                foreach ($slides as $slide) {
                    $backup_sizes = get_post_meta($slide, '_wp_attachment_backup_sizes', true);
                    $type = get_post_meta($slide, 'ml-slider_type', true);
                    $type = $type ? $type : 'image';
                    // backwards compatibility, fall back to 'image'
                    if ($type === 'image') {
                        foreach ($backup_sizes as $backup_size => $meta) {
                            if (preg_match('/resized-/', $backup_size)) {
                                $path = $meta['path'];
                                $image_size = filesize($path);
                                $query = $wpdb->prepare("SELECT id FROM {$wpdb->ewwwio_images} WHERE path LIKE %s AND image_size LIKE '{$image_size}'", $path);
                                $optimized_query = $wpdb->get_results($query, ARRAY_A);
                                if (!empty($optimized_query)) {
                                    foreach ($optimized_query as $image) {
                                        if ($image['path'] != $path) {
                                            $ewww_debug .= "{$image['path']} does not match {$path}, continuing our search<br>";
                                        } else {
                                            $already_optimized = $image;
                                        }
                                    }
                                }
                                $mimetype = ewww_image_optimizer_mimetype($path, 'i');
                                if (preg_match('/^image\\/(jpeg|png|gif)/', $mimetype) && empty($already_optimized)) {
                                    $slide_paths[] = $path;
                                }
                            }
                        }
                    }
                }
            }
            $attachments = array_merge($attachments, $slide_paths);
        }
        // collect a list of images in auxiliary folders provided by user
        if ($aux_paths = ewww_image_optimizer_get_option('ewww_image_optimizer_aux_paths')) {
            foreach ($aux_paths as $aux_path) {
                $attachments = array_merge($attachments, ewww_image_optimizer_image_scan($aux_path));
            }
        }
        // scan images in two most recent media library folders if the option is enabled, and this is a scheduled optimization
        if ('ewww-image-optimizer-auto' == $hook && ewww_image_optimizer_get_option('ewww_image_optimizer_include_media_paths')) {
            // retrieve the location of the wordpress upload folder
            $upload_dir = wp_upload_dir();
            // retrieve the path of the upload folder
            $upload_path = $upload_dir['basedir'];
            $this_month = date('m');
            $this_year = date('Y');
            $attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$this_year}/{$this_month}/"));
            if (class_exists('DateTime')) {
                $date = new DateTime();
                $date->sub(new DateInterval('P1M'));
                $last_year = $date->format('Y');
                $last_month = $date->format('m');
                $attachments = array_merge($attachments, ewww_image_optimizer_image_scan("{$upload_path}/{$last_year}/{$last_month}/"));
            }
        }
        // store the filenames we retrieved in the 'bulk_attachments' option so we can keep track of our progress in the database
        update_option('ewww_image_optimizer_aux_attachments', $attachments);
    }
    ewww_image_optimizer_debug_log();
    // submit a couple variables to the javascript to work with
    $attachments = json_encode($attachments);
    if (!empty($_REQUEST['ewww_scan'])) {
        if (empty($attachments)) {
            _e('Nothing to optimize', EWWW_IMAGE_OPTIMIZER_DOMAIN);
        } else {
            echo $attachments;
        }
        ewwwio_memory(__FUNCTION__);
        die;
    } else {
        ewwwio_memory(__FUNCTION__);
        return;
    }
}