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File: class-wp-smush-db.php
<?php /** * @package WP Smush * @subpackage Admin * @version 2.3 * * @author Umesh Kumar <umesh@incsub.com> * * @copyright (c) 2016, Incsub (http://incsub.com) */ if ( ! class_exists( 'WpSmushDB' ) ) { /** * Class WpSmushStats */ class WpSmushDB { function __construct() { //Recalculate resize savings add_action( 'wp_smush_image_resized', array( $this, 'resize_savings' ) ); //Update Conversion savings add_action( 'wp_smush_png_jpg_converted', array( $this, 'conversion_savings' ) ); } /** * Filter the Posts object as per mime type * * @param $posts Object of Posts * * @return mixed array of post ids * */ function filter_by_mime( $posts ) { global $wpsmushit_admin; if ( empty( $posts ) ) { return $posts; } foreach ( $posts as $post_k => $post ) { if ( ! isset( $post->post_mime_type ) || ! in_array( $post->post_mime_type, $wpsmushit_admin->mime_types ) ) { unset( $posts[ $post_k ] ); } else { $posts[ $post_k ] = $post->ID; } } return $posts; } /** * Fetch all the unsmushed attachments * * @return array $attachments */ function get_unsmushed_attachments() { global $wpsmushit_admin, $wpsmush_db; if ( ! isset( $_REQUEST['ids'] ) ) { /** Do not fetch more than this, any time Localizing all rows at once increases the page load and slows down everything */ $r_limit = apply_filters( 'wp_smush_max_rows', 5000 ); //Check if we can get the unsmushed attachments from the other two variables if ( ! empty( $wpsmushit_admin->attachments ) && ! empty( $wpsmushit_admin->smushed_attachments ) ) { $unsmushed_posts = array_diff( $wpsmushit_admin->attachments, $wpsmushit_admin->smushed_attachments ); $unsmushed_posts = ! empty( $unsmushed_posts ) && is_array( $unsmushed_posts ) ? array_slice( $unsmushed_posts, 0, $r_limit ) : array(); } else { $limit = $wpsmushit_admin->query_limit(); $get_posts = true; $unsmushed_posts = array(); $args = array( 'fields' => array( 'ids', 'post_mime_type' ), 'post_type' => 'attachment', 'post_status' => 'any', 'orderby' => 'ID', 'order' => 'DESC', 'posts_per_page' => $limit, 'offset' => 0, 'meta_query' => array( array( 'key' => 'wp-smpro-smush-data', 'compare' => 'NOT EXISTS' ) ), 'update_post_term_cache' => false, 'no_found_rows' => true, ); //Loop Over to get all the attachments while ( $get_posts ) { //Remove the Filters added by WP Media Folder $wpsmush_db->remove_filters(); $query = new WP_Query( $args ); if ( ! empty( $query->post_count ) && sizeof( $query->posts ) > 0 ) { //Get a filtered list of post ids $posts = $wpsmush_db->filter_by_mime( $query->posts ); //Merge the results $unsmushed_posts = array_merge( $unsmushed_posts, $posts ); //Update the offset $args['offset'] += $limit; } else { //If we didn't get any posts from query, set $get_posts to false $get_posts = false; } //If we already got enough posts if ( count( $unsmushed_posts ) >= $r_limit ) { $get_posts = false; } else if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count <= $args['offset'] ) { //If total Count is set, and it is alread lesser than offset, don't query $get_posts = false; } } } } else { return array_map( 'intval', explode( ',', $_REQUEST['ids'] ) ); } //Remove resmush list from unsmushed images if( !empty( $wpsmushit_admin->resmush_ids ) && is_array( $wpsmushit_admin->resmush_ids ) ) { $unsmushed_posts = array_diff( $unsmushed_posts, $wpsmushit_admin->resmush_ids ); } return $unsmushed_posts; } /** * Total Image count * * @param bool $force_update * * @return bool|int|mixed */ function total_count( $force_update = false ) { global $wpsmushit_admin; //Retrieve from Cache if ( ! $force_update && $count = wp_cache_get( 'total_count', 'wp-smush' ) ) { if( $count ) { return $count; } } //Set Attachment ids, and total count $posts = $this->get_media_attachments( '', $force_update ); $wpsmushit_admin->attachments = $posts; //Get total count from attachments $total_count = ! empty( $posts ) && is_array( $posts ) ? sizeof( $posts ) : 0; // Set total count. $wpsmushit_admin->total_count = $total_count; wp_cache_add( 'total_count', $total_count, 'wp-smush' ); // send the count return $total_count; } /** * Get the media attachment Id/Count * * @param bool $return_count * @param bool $force_update * * @return array|bool|int|mixed */ function get_media_attachments( $return_count = false, $force_update = false ) { global $wpsmushit_admin, $wpdb; //Return results from cache if ( ! $force_update ) { $posts = wp_cache_get( 'media_attachments', 'wp-smush' ); $count = ! empty( $posts ) ? sizeof( $posts ) : 0; //Return results only if we've got any if( $count ) { return $return_count ? $count : $posts; } } $posts = array(); //Else Get it Fresh!! $offset = 0; $limit = $wpsmushit_admin->query_limit(); $mime = implode( "', '", $wpsmushit_admin->mime_types ); $query = "SELECT ID FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' AND post_mime_type IN ('$mime') ORDER BY `ID` DESC LIMIT %d, %d"; //Remove the Filters added by WP Media Folder $this->remove_filters(); $get_posts = true; while ( $get_posts ) { $results = $wpdb->get_col( $wpdb->prepare( $query, $offset, $limit ) ); if ( ! empty( $results ) && is_array( $results ) && sizeof( $results ) > 0 ) { //Get a filtered list of post ids $posts = array_merge( $posts, $results ); //Update the offset $offset += $limit; } else { //If we didn't get any posts from query, set $get_posts to false $get_posts = false; } } //Add the attachments to cache wp_cache_add( 'media_attachments', $posts, 'wp-smushit' ); if ( $return_count ) { return sizeof( $posts ); } return $posts; } /** * Optimised images count * * @param bool $return_ids * * @return array|int */ function smushed_count( $return_ids = false ) { global $wpsmushit_admin, $wpdb; //Don't query again, if the variable is already set if ( ! $return_ids && ! empty( $wpsmushit_admin->smushed_count ) && $wpsmushit_admin->smushed_count > 0 ) { return $wpsmushit_admin->smushed_count; } /** * Allows to set a limit of mysql query * Default value is 2000 */ $limit = $wpsmushit_admin->query_limit(); $offset = 0; $query_next = true; $posts = array(); //Remove the Filters added by WP Media Folder $this->remove_filters(); while ( $query_next && $results = $wpdb->get_col( $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key=%s ORDER BY `post_id` DESC LIMIT $offset, $limit", "wp-smpro-smush-data" ) ) ) { if ( ! is_wp_error( $results ) && sizeof( $results ) > 0 ) { $posts = array_merge( $posts, $results ); } //Update the offset $offset += $limit; //Compare the Offset value to total images if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count <= $offset ) { $query_next = false; } } return $return_ids ? $posts : count( $posts ); } /** * Returns/Updates the number of images Super Smushed * * @param string $type media/nextgen, Type of images to get/set the super smushed count for * * @param array $attachments Optional, By default Media attachments will be fetched * * @return array|mixed|void * * @todo: Refactor Method, Separate Media Library and Nextgen, moreover nextgen functioanlity is broken * */ function super_smushed_count( $type = 'media', $attachments = array() ) { global $wpsmushnextgenstats; if ( 'media' == $type ) { $count = $this->get_super_smushed_attachments(); } else { $key = 'wp-smush-super_smushed_nextgen'; //Clear up the stats, if there are no images if( is_object( $wpsmushnextgenstats ) && method_exists( $wpsmushnextgenstats, 'total_count') && 0 == $wpsmushnextgenstats->total_count() ) { delete_option($key); } //Flag to check if we need to re-evaluate the count $revaluate = false; $super_smushed = get_option( $key, false ); //Check if need to revalidate if ( ! $super_smushed || empty( $super_smushed ) || empty( $super_smushed['ids'] ) ) { $super_smushed = array( 'ids' => array() ); $revaluate = true; } else { $last_checked = $super_smushed['timestamp']; $diff = $last_checked - current_time( 'timestamp' ); //Difference in hour $diff_h = $diff / 3600; //if last checked was more than 1 hours. if ( $diff_h > 1 ) { $revaluate = true; } } //Do not Revaluate stats if nextgen attachments are not provided if ( 'nextgen' == $type && empty( $attachments ) && $revaluate ) { $revaluate = false; } //Need to scan all the image if ( $revaluate ) { //Get all the Smushed attachments ids //Note: Wrong Method called, it'll fetch media images and not NextGen images //Should be $attachments, in place of $super_smushed_images $super_smushed_images = $this->get_super_smushed_attachments( true ); if ( ! empty( $super_smushed_images ) && is_array( $super_smushed_images ) ) { //Iterate over all the attachments to check if it's already there in list, else add it foreach ( $super_smushed_images as $id ) { if ( ! in_array( $id, $super_smushed['ids'] ) ) { $super_smushed['ids'][] = $id; } } } $super_smushed['timestamp'] = current_time( 'timestamp' ); update_option( $key, $super_smushed, false ); } $count = ! empty( $super_smushed['ids'] ) ? count( $super_smushed['ids'] ) : 0; } return $count; } /** * Updates the Meta for existing smushed images and retrieves the count of Super Smushed images * * @param bool $return_ids Whether to return ids or just the count * * @return array|int Super Smushed images Id / Count of Super Smushed images */ function get_super_smushed_attachments( $return_ids = false ) { global $wpsmushit_admin; //Get all the attachments with wp-smush-lossy $limit = $wpsmushit_admin->query_limit(); $get_posts = true; $super_smushed = array(); $args = array( 'fields' => array( 'ids', 'post_mime_type' ), 'post_type' => 'attachment', 'post_status' => 'any', 'orderby' => 'ID', 'order' => 'DESC', 'posts_per_page' => $limit, 'offset' => 0, 'meta_query' => array( array( 'key' => 'wp-smush-lossy', 'value' => 1 ) ), 'update_post_term_cache' => false, 'no_found_rows' => true, ); //Loop Over to get all the attachments while ( $get_posts ) { //Remove the Filters added by WP Media Folder $this->remove_filters(); $query = new WP_Query( $args ); if ( ! empty( $query->post_count ) && sizeof( $query->posts ) > 0 ) { $posts = $this->filter_by_mime( $query->posts ); //Merge the results $super_smushed = array_merge( $super_smushed, $posts ); //Update the offset $args['offset'] += $limit; } else { //If we didn't get any posts from query, set $get_posts to false $get_posts = false; } //If total Count is set, and it is alread lesser than offset, don't query if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count <= $args['offset'] ) { $get_posts = false; } } //Remove resmush ids from the list if ( ! empty( $wpsmushit_admin->resmush_ids ) && is_array( $wpsmushit_admin->resmush_ids ) ) { $super_smushed = array_diff( $super_smushed, $wpsmushit_admin->resmush_ids ); } return $return_ids ? $super_smushed : count( $super_smushed ); } /** * Remove any pre_get_posts_filters added by WP Media Folder plugin */ function remove_filters() { //remove any filters added b WP media Folder plugin to get the all attachments if ( class_exists( 'Wp_Media_Folder' ) ) { global $wp_media_folder; if ( is_object( $wp_media_folder ) ) { remove_filter( 'pre_get_posts', array( $wp_media_folder, 'wpmf_pre_get_posts1' ) ); remove_filter( 'pre_get_posts', array( $wp_media_folder, 'wpmf_pre_get_posts' ), 0, 1 ); } } global $wpml_query_filter; //If WPML is not installed, return if ( ! is_object( $wpml_query_filter ) ) { return; } //Remove language filter and let all the images be smushed at once if ( has_filter( 'posts_join', array( $wpml_query_filter, 'posts_join_filter' ) ) ) { remove_filter( 'posts_join', array( $wpml_query_filter, 'posts_join_filter' ), 10, 2 ); remove_filter( 'posts_where', array( $wpml_query_filter, 'posts_where_filter' ), 10, 2 ); } } /** * Get the savings from image resizing, And force update if set to true * * @param bool $force_update , Whether to Re-Calculate all the stats or not * * @param bool $format Format the Bytes in readable format * * @param bool $return_count Return the resized image count, Set to false by default * * @return array|bool|mixed|string Array of { * 'bytes', * 'before_size', * 'after_size' * } * */ function resize_savings( $force_update = true, $format = false, $return_count = false ) { $savings = ''; if ( ! $force_update ) { $savings = wp_cache_get( WP_SMUSH_PREFIX . 'resize_savings', 'wp-smush' ); } $count = wp_cache_get( WP_SMUSH_PREFIX . 'resize_count', 'wp-smush' ); //If resize image count is not stored in db, recalculate if( $return_count && !$count ) { $count = 0; $force_update = true; } global $wpsmushit_admin; //If nothing in cache, Calculate it if ( empty( $savings ) || $force_update ) { $savings = array( 'bytes' => 0, 'size_before' => 0, 'size_after' => 0, ); $limit = $wpsmushit_admin->query_limit(); $offset = 0; $query_next = true; global $wpdb; while ( $query_next ) { $resize_data = $wpdb->get_results( $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key=%s LIMIT $offset, $limit", WP_SMUSH_PREFIX . 'resize_savings' ) ); if ( ! empty( $resize_data ) ) { foreach ( $resize_data as $data ) { //Skip resmush ids if ( ! empty( $wpsmushit_admin->resmush_ids ) && in_array( $data->post_id, $wpsmushit_admin->resmush_ids ) ) { continue; } if ( ! empty( $data ) ) { $meta = maybe_unserialize( $data->meta_value ); if ( ! empty( $meta ) && ! empty( $meta['bytes'] ) ) { $savings['bytes'] += $meta['bytes']; $savings['size_before'] += $meta['size_before']; $savings['size_after'] += $meta['size_after']; } } $count++; } } //Update the offset $offset += $limit; //Compare the Offset value to total images if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count < $offset ) { $query_next = false; } elseif ( ! $resize_data ) { //If we didn' got any results $query_next = false; } } if ( $format ) { $savings['bytes'] = size_format( $savings['bytes'], 1 ); } wp_cache_set( WP_SMUSH_PREFIX . 'resize_savings', $savings, 'wp-smush' ); wp_cache_set( WP_SMUSH_PREFIX . 'resize_count', $count, 'wp-smush' ); } return $return_count ? $count : $savings; } /** * Return/Update PNG -> JPG Conversion savings * * @param bool $force_update Whether to force update the conversion savings or not * @param bool $format Optionally return formatted savings * * @return array Savings */ function conversion_savings( $force_update = true, $format = false ) { $savings = ''; if ( ! $force_update ) { $savings = wp_cache_get( WP_SMUSH_PREFIX . 'pngjpg_savings', 'wp-smush' ); } //If nothing in cache, Calculate it if ( empty( $savings ) || $force_update ) { global $wpsmushit_admin; $savings = array( 'bytes' => 0, 'size_before' => 0, 'size_after' => 0, ); $limit = $wpsmushit_admin->query_limit(); $offset = 0; $query_next = true; global $wpdb; while ( $query_next ) { $conversion_savings = $wpdb->get_results( $wpdb->prepare( "SELECT post_id, meta_value FROM $wpdb->postmeta WHERE meta_key=%s LIMIT $offset, $limit", WP_SMUSH_PREFIX . 'pngjpg_savings' ) ); if ( ! empty( $conversion_savings ) ) { foreach ( $conversion_savings as $data ) { //Skip resmush ids if ( ! empty( $wpsmushit_admin->resmush_ids ) && in_array( $data->post_id, $wpsmushit_admin->resmush_ids ) ) { continue; } if ( ! empty( $data ) ) { $meta = maybe_unserialize( $data->meta_value ); if ( is_array( $meta ) ) { foreach ( $meta as $size ) { if ( ! empty( $size ) && is_array( $size ) ) { $savings['bytes'] += $size['bytes']; $savings['size_before'] += $size['size_before']; $savings['size_after'] += $size['size_after']; } } } } } } //Update the offset $offset += $limit; //Compare the Offset value to total images if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count < $offset ) { $query_next = false; } elseif ( ! $conversion_savings ) { //If we didn' got any results $query_next = false; } } if ( $format ) { $savings['bytes'] = size_format( $savings['bytes'], 1 ); } wp_cache_set( WP_SMUSH_PREFIX . 'pngjpg_savings', $savings, 'wp-smush' ); } return $savings; } /** * Get all the resized images * * @return array Array of post ids of all the resized images * */ function resize_images() { global $wpsmushit_admin; $limit = $wpsmushit_admin->query_limit(); $get_posts = true; $resized_images = array(); $args = array( 'fields' => array( 'ids', 'post_mime_type' ), 'post_type' => 'attachment', 'post_status' => 'inherit', 'orderby' => 'ID', 'order' => 'DESC', 'posts_per_page' => $limit, 'offset' => 0, 'meta_key' => WP_SMUSH_PREFIX . 'resize_savings', 'update_post_term_cache' => false, 'no_found_rows' => true, ); //Loop Over to get all the attachments while ( $get_posts ) { //Remove the Filters added by WP Media Folder $this->remove_filters(); $query = new WP_Query( $args ); if ( ! empty( $query->post_count ) && sizeof( $query->posts ) > 0 ) { $posts = $this->filter_by_mime( $query->posts ); //Merge the results $resized_images = array_merge( $resized_images, $posts ); //Update the offset $args['offset'] += $limit; } else { //If we didn't get any posts from query, set $get_posts to false $get_posts = false; } //If total Count is set, and it is alread lesser than offset, don't query if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count < $args['offset'] ) { $get_posts = false; } } return $resized_images; } /** * Get all the PNGJPG Converted images * * @return array Array of post ids of all the converted images * */ function converted_images() { global $wpsmushit_admin; $limit = $wpsmushit_admin->query_limit(); $get_posts = true; $converted_images = array(); $args = array( 'fields' => array( 'ids', 'post_mime_type' ), 'post_type' => 'attachment', 'post_status' => 'inherit', 'orderby' => 'ID', 'order' => 'DESC', 'posts_per_page' => $limit, 'offset' => 0, 'meta_key' => WP_SMUSH_PREFIX . 'pngjpg_savings', 'update_post_term_cache' => false, 'no_found_rows' => true, ); //Loop Over to get all the attachments while ( $get_posts ) { //Remove the Filters added by WP Media Folder $this->remove_filters(); $query = new WP_Query( $args ); if ( ! empty( $query->post_count ) && sizeof( $query->posts ) > 0 ) { //Filter Posts by mime types $posts = $this->filter_by_mime( $query->posts ); //Merge the results $converted_images = array_merge( $converted_images, $posts ); //Update the offset $args['offset'] += $limit; } else { //If we didn't get any posts from query, set $get_posts to false $get_posts = false; } //If total Count is set, and it is alread lesser than offset, don't query if ( ! empty( $wpsmushit_admin->total_count ) && $wpsmushit_admin->total_count < $args['offset'] ) { $get_posts = false; } } return $converted_images; } /** * Returns the ids and meta which are losslessly compressed * * Called only if the meta key isn't updated for old images, else it is not used * * @return array */ function get_lossy_attachments( $attachments = '', $return_count = true ) { $lossy_attachments = array(); $count = 0; if ( empty( $attachments ) ) { //Fetch all the smushed attachment ids $attachments = $this->smushed_count( true ); } //If we dont' have any attachments if ( empty( $attachments ) || 0 == count( $attachments ) ) { return 0; } //Check if image is lossless or lossy foreach ( $attachments as $attachment ) { //Check meta for lossy value $smush_data = ! empty( $attachment->smush_data ) ? maybe_unserialize( $attachment->smush_data ) : ''; //For Nextgen Gallery images if ( empty( $smush_data ) && is_array( $attachment ) && ! empty( $attachment['wp_smush'] ) ) { $smush_data = ! empty( $attachment['wp_smush'] ) ? $attachment['wp_smush'] : ''; } //Return if not smushed if ( empty( $smush_data ) ) { continue; } //if stats not set or lossy is not set for attachment, return if ( empty( $smush_data['stats'] ) || ! isset( $smush_data['stats']['lossy'] ) ) { continue; } //Add to array if lossy is not 1 if ( 1 == $smush_data['stats']['lossy'] ) { $count ++; if ( ! empty( $attachment->attachment_id ) ) { $lossy_attachments[] = $attachment->attachment_id; } elseif ( is_array( $attachment ) && ! empty( $attachment['pid'] ) ) { $lossy_attachments[] = $attachment['pid']; } } } unset( $attachments ); if ( $return_count ) { return $count; } return $lossy_attachments; } /** * Get the attachment ids with Upfront images * * @param array $skip_ids * * @return array|bool */ function get_upfront_images( $skip_ids = array() ) { $query = array( 'fields' => array( 'ids', 'post_mime_type' ), 'post_type' => 'attachment', 'post_status' => 'any', 'order' => 'ASC', 'posts_per_page' => - 1, 'meta_key' => 'upfront_used_image_sizes', 'no_found_rows' => true ); //Skip all the ids which are already in resmush list if ( ! empty( $skip_ids ) && is_array( $skip_ids ) ) { $query['post__not_in'] = $skip_ids; } $results = new WP_Query( $query ); if ( ! is_wp_error( $results ) && $results->post_count > 0 ) { $posts = $this->filter_by_mime( $results->posts ); return $posts; } else { return false; } } /** * Get the savings for the given set of attachments * * @param array $attachments Array of attachment ids * * @return array Stats * array( * 'size_before' => 0, * 'size_after' => 0, * 'savings_resize' => 0, * 'savings_conversion' => 0 * ) * * */ function get_savings_for_attachments( $attachments = array() ) { //@todo: Add image_count, lossy count, count_smushed $stats = array( 'size_before' => 0, 'size_after' => 0, 'savings_resize' => 0, 'savings_conversion' => 0, 'count_images' => 0, 'count_supersmushed' => 0, 'count_smushed' => 0 ); //If we don't have any attachments, return empty array if( empty( $attachments ) || !is_array( $attachments ) ) { return $stats; } global $WpSmush, $wpsmush_helper; //Loop over all the attachments to get the cummulative savings foreach ( $attachments as $attachment ) { $smush_stats = get_post_meta( $attachment, $WpSmush->smushed_meta_key, true ); $resize_savings = get_post_meta( $attachment, WP_SMUSH_PREFIX . 'resize_savings', true ); $conversion_savings = $wpsmush_helper->get_pngjpg_savings( $attachment ); if ( ! empty( $smush_stats['stats'] ) ) { //Combine all the stats, and keep the resize and send conversion settings separately $stats['size_before'] += ! empty( $smush_stats['stats']['size_before'] ) ? $smush_stats['stats']['size_before'] : 0; $stats['size_after'] += ! empty( $smush_stats['stats']['size_after'] ) ? $smush_stats['stats']['size_after'] : 0; } $stats['count_images'] += ! empty( $smush_stats['sizes'] ) && is_array( $smush_stats['sizes'] ) ? sizeof( $smush_stats['sizes'] ) : 0; $stats['count_supersmushed'] + ! empty( $smush_stats['stats'] ) && $smush_stats['stats']['lossy'] ? 1 : 0; //Add resize saving stats if ( ! empty( $resize_savings ) ) { //Add resize and conversion savings $stats['savings_resize'] += ! empty( $resize_savings['bytes'] ) ? $resize_savings['bytes'] : 0; $stats['size_before'] += ! empty( $resize_savings['size_before'] ) ? ! empty( $resize_savings['size_before'] ) : 0; $stats['size_after'] += ! empty( $resize_savings['size_after'] ) ? ! empty( $resize_savings['size_after'] ) : 0; } //Add conversion saving stats if ( ! empty( $conversion_savings ) ) { //Add resize and conversion savings $stats['savings_conversion'] += ! empty( $conversion_savings['bytes'] ) ? $conversion_savings['bytes'] : 0; $stats['size_before'] += ! empty( $conversion_savings['size_before'] ) ? $conversion_savings['size_before'] : 0; $stats['size_after'] += ! empty( $conversion_savings['size_after'] ) ? $conversion_savings['size_after'] : 0; } $stats['count_smushed'] += 1; } return $stats; } } /** * Initialise class */ global $wpsmush_db; $wpsmush_db = new WpSmushDB(); }