# quickwebp/4.1.1/admin/class-image-optimizer.php QuickWebP – WebP & AVIF Image Optimizer, Compression & SEO for WordPress, version 4.1.1. 1,306 lines. - Page: https://pluginprobe.com/plugins/quickwebp/4.1.1/code/admin/class-image-optimizer.php - Raw: https://pluginprobe.com/plugins/quickwebp/4.1.1/raw/admin/class-image-optimizer.php - Modified: 2026-09-14T15:52:56+00:00 Line numbers below start at 1. Link to a line or a range by appending a fragment to the page URL, for example `https://pluginprobe.com/plugins/quickwebp/4.1.1/code/admin/class-image-optimizer.php#L10-L20`. ```php plugin_name = $plugin_name; $this->version = $version; $this->allowed_mime_types = array( 'image/jpeg', 'image/png', 'image/webp', 'image/avif' ); } /** * Optimize an image added in wp_media */ public function image_optimization( $file ) { global $quickwebp_surecart_client; quickwebp_debug_log( 'image_optimization:start', array( 'file_name' => $file['name'] ?? '', 'file_type' => $file['type'] ?? '', ) ); $settings = $this->get_settings(); $image_file = $this->file_is_image( $file, $settings ); if ( ! $image_file ) { quickwebp_debug_log( 'image_optimization:not_image' ); return $file; } $mode_enabled = $settings['quickwebp_settings_conversion']; if ( $mode_enabled === '0' ) { quickwebp_debug_log( 'image_optimization:conversion_disabled' ); return $image_file; } $save_original = is_array( $settings['quickwebp_settings_conversion_save_original'] ) ? $settings['quickwebp_settings_conversion_save_original'] : array(); if ( in_array( 'checked', $save_original ) ) { quickwebp_debug_log( 'image_optimization:save_original_enabled' ); return $image_file; } $ignore_same_format = is_array( $settings['quickwebp_settings_conversion_ignore_webp'] ) ? $settings['quickwebp_settings_conversion_ignore_webp'] : array(); $mime_type = wp_get_image_mime( $image_file['tmp_name'] ); if ( in_array( 'checked', $ignore_same_format ) ) { if ( '1' == $mode_enabled && 'image/webp' == $mime_type ) { quickwebp_debug_log( 'image_optimization:skip_same_format', array( 'mime_type' => $mime_type ) ); return $image_file; } elseif( '2' == $mode_enabled && 'image/avif' == $mime_type ) { quickwebp_debug_log( 'image_optimization:skip_same_format', array( 'mime_type' => $mime_type ) ); return $image_file; } } $quality = $this->get_the_quality( $settings ); $is_pro = false; if ( $quickwebp_surecart_client ) { $is_pro = $quickwebp_surecart_client->license()->is_valid(); } $image_file['new_size'] = $image_file['size']; $image_file['new_type'] = $image_file['type']; if ( '2' === $mode_enabled && $is_pro ) { quickwebp_debug_log( 'image_optimization:try_avif', array( 'mime_type' => $mime_type, 'quality' => $quality ) ); $avif_image = $this->create_avif_image( $image_file['tmp_name'], $image_file['tmp_name'], $quality ); if ( $avif_image ) { $image_file['size'] = filesize( $image_file['tmp_name'] ); $image_file['type'] = 'image/avif'; $image_file['quickwebp'] = 'optimized'; $this->record_optimization_stats( $image_file['new_size'], $image_file['size'] ); quickwebp_debug_log( 'image_optimization:avif_success', array( 'new_size' => $image_file['size'] ) ); } } if ( '1' === $mode_enabled ) { quickwebp_debug_log( 'image_optimization:try_webp', array( 'mime_type' => $mime_type, 'quality' => $quality ) ); $webp_image = $this->create_webp_image( $image_file['tmp_name'], $image_file['tmp_name'], $quality ); if ( $webp_image ) { $image_file['size'] = filesize( $image_file['tmp_name'] ); $image_file['type'] = 'image/webp'; $image_file['quickwebp'] = 'optimized'; $this->record_optimization_stats( $image_file['new_size'], $image_file['size'] ); quickwebp_debug_log( 'image_optimization:webp_success', array( 'new_size' => $image_file['size'] ) ); } } return $image_file; } /** * Add post meta to the attachment that already optimized */ public function add_already_optimized_meta( $metadata, $attachment_id, $context ) { //phpcs:ignore WordPress.Security.NonceVerification.Missing $quickwebp = sanitize_text_field( wp_unslash( $_FILES['async-upload']['quickwebp'] ?? '' ) ); if ( 'optimized' == $quickwebp ) { //phpcs:ignore WordPress.Security.NonceVerification.Missing $type = sanitize_text_field( wp_unslash( $_FILES['async-upload']['type'] ?? '' ) ); if ( 'image/webp' == $type ) { update_post_meta( $attachment_id, 'quickwebp_already_optimized', '1' ); } elseif ( 'image/avif' == $type ) { update_post_meta( $attachment_id, 'quickwebp_already_optimized', '2' ); } } return $metadata; } /** * Save the original image in the attachment meta */ public function save_original_image( $metadata, $attachment_id, $context ) { if ( $context != 'create' ) { return $metadata; } $settings = $this->get_settings(); $mode_enabled = $settings['quickwebp_settings_conversion']; if ( $mode_enabled === '0' ) { return $metadata; } $save_original = is_array( $settings['quickwebp_settings_conversion_save_original'] ) ? $settings['quickwebp_settings_conversion_save_original'] : array(); if ( ! in_array( 'checked', $save_original ) ) { return $metadata; } $ignore_same_format = is_array( $settings['quickwebp_settings_conversion_ignore_webp'] ) ? $settings['quickwebp_settings_conversion_ignore_webp'] : array(); //phpcs:ignore WordPress.Security.NonceVerification.Missing $mime_type = sanitize_text_field( wp_unslash( $_FILES['async-upload']['type'] ?? '' ) ); if ( in_array( 'checked', $ignore_same_format ) ) { if ( '1' == $mode_enabled && 'image/webp' == $mime_type ) { return $metadata; } elseif( '2' == $mode_enabled && 'image/avif' == $mime_type ) { return $metadata; } } $sizes = $this->get_media_files( $attachment_id ); $new_sizes = array(); foreach ( $sizes as $key => $size ) { $result = $this->optimize_local_file( $size ); if ( $result ) { $new_sizes[$key] = $result; } } if ( ! empty( $new_sizes ) ) { $this->record_attachment_optimization_stats( $new_sizes ); if ( '1' == $mode_enabled ) { update_post_meta( $attachment_id, 'quickwebp_already_optimized', '1' ); } elseif ( '2' == $mode_enabled ) { update_post_meta( $attachment_id, 'quickwebp_already_optimized', '2' ); } update_post_meta( $attachment_id, 'quickwebp_data', $new_sizes ); delete_post_meta( $attachment_id, 'quickwebp_has_error' ); } else { update_post_meta( $attachment_id, 'quickwebp_has_error', '1' ); } return $metadata; } /** * Add data to the attachment */ public function add_data_to_attachment( $metadata, $attachment_id, $context ) { if ( $context != 'create' ) { return $metadata; } $settings = $this->get_settings(); if ( $settings['quickwebp_settings_completion'] != '1' ) { return $metadata; } //phpcs:ignore WordPress.Security.NonceVerification.Missing $original_name = isset( $_FILES['async-upload']['original_name'] ) ? sanitize_text_field( wp_unslash( $_FILES['async-upload']['original_name'] ) ) : sanitize_text_field( $_FILES['async-upload']['name'] ?? '' ); if ( ! empty( $original_name ) ) { $original_name = pathinfo( $original_name, PATHINFO_FILENAME ); $post_arr = array(); $completion_options = is_array( $settings['quickwebp_settings_completion_options'] ) ? $settings['quickwebp_settings_completion_options'] : array(); if ( in_array( 'title', $completion_options ) ) { $post_arr['post_title'] = $original_name; } if ( in_array( 'caption', $completion_options ) ) { $post_arr['post_excerpt'] = $original_name; } if ( in_array( 'alt', $completion_options ) ) { $post_arr['meta_input']['_wp_attachment_image_alt'] = $original_name; } if ( in_array( 'description', $completion_options ) ) { $post_arr['post_content'] = $original_name; } if ( ! empty( $post_arr ) ) { $post_arr['ID'] = $attachment_id; wp_update_post( $post_arr ); } } return $metadata; } /** * Change the default size of wp editor */ public function change_wp_max_size( $max_size, $imagesize ) { $settings = $this->get_settings(); $resize_active = $settings['quickwebp_settings_resize']; if ( $resize_active == '1' ) { $imagesize_width = isset($imagesize[0]) ? $imagesize[0] : 0; $resize_value = $settings['quickwebp_settings_resize_value']; if ( $imagesize_width > $resize_value ) { $max_size = $resize_value; } } return $max_size; } /** * Change the default quality of wp editor */ public function change_wp_quality( $default_quality ) { $settings = $this->get_settings(); $mode_enabled = $settings['quickwebp_settings_conversion']; if ( $mode_enabled === '0' ) { return $default_quality; } return 100; } /** * Optimize image through ajax */ public function image_optimization_ajax() { global $quickwebp_surecart_client; quickwebp_debug_log( 'image_optimization_ajax:start' ); if ( ! current_user_can( 'upload_files' ) ) { wp_send_json_error( __( 'You are not allowed to upload files.', 'quickwebp' ), 403 ); } // verify the nonce. $nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : ''; if( !wp_verify_nonce( $nonce, 'image_optimize_nonce' ) ) { wp_send_json_error( __( 'Refresh the page and try again.', 'quickwebp' ) ); } // Get the file $file = count($_FILES) > 0 ? array_shift($_FILES) : array(); if ( empty($file) ) { quickwebp_debug_log( 'image_optimization_ajax:missing_file' ); wp_send_json_error( __( 'No image uploaded, try again.', 'quickwebp' ) ); } $settings = $this->get_ajax_settings(); $image_file = $this->file_is_image( $file, $settings ); if ( ! $image_file ) { quickwebp_debug_log( 'image_optimization_ajax:not_image' ); wp_send_json_error( __( 'No image uploaded, try again.', 'quickwebp' ) ); } $mode_enabled = $settings['quickwebp_settings_conversion']; if ( $mode_enabled === '0' ) { quickwebp_debug_log( 'image_optimization_ajax:conversion_disabled' ); $image_file['new_size'] = $image_file['size']; $image_file['new_type'] = $image_file['type']; $this->return_ajax_data( $image_file ); } $quality = $this->get_the_quality( $settings ); $is_pro = false; if ( $quickwebp_surecart_client ) { $is_pro = $quickwebp_surecart_client->license()->is_valid(); } $image_file['new_size'] = $image_file['size']; $image_file['new_type'] = $image_file['type']; if ( '2' === $mode_enabled && $is_pro ) { quickwebp_debug_log( 'image_optimization_ajax:try_avif', array( 'quality' => $quality ) ); $avif_image = $this->create_avif_image( $image_file['tmp_name'], $image_file['tmp_name'], $quality ); if ( $avif_image ) { $image_file['new_size'] = filesize( $image_file['tmp_name'] ); $image_file['new_type'] = 'image/avif'; } } if ( '1' === $mode_enabled ) { quickwebp_debug_log( 'image_optimization_ajax:try_webp', array( 'quality' => $quality ) ); $webp_image = $this->create_webp_image( $image_file['tmp_name'], $image_file['tmp_name'], $quality ); if ( $webp_image ) { $image_file['new_size'] = filesize( $image_file['tmp_name'] ); $image_file['new_type'] = 'image/webp'; } } $this->return_ajax_data( $image_file ); } /** * Optimize a single media */ public function single_optimization_ajax() { quickwebp_debug_log( 'single_optimization_ajax:start' ); // verify the nonce. $nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : ''; if( !wp_verify_nonce( $nonce, 'quickwebp_admin_attachment' ) ) { wp_send_json_error( __( 'Refresh the page and try again.', 'quickwebp' ) ); } // Sanitize data $attachment_id = isset( $_POST['attachment_id'] ) ? absint( wp_unslash( $_POST['attachment_id'] ) ) : 0; if ( ! $attachment_id ) { quickwebp_debug_log( 'single_optimization_ajax:missing_attachment_id' ); wp_send_json_error( __( 'No attachment id.', 'quickwebp' ) ); } $settings = $this->get_settings(); $mode_enabled = $settings['quickwebp_settings_conversion']; if ( '0' === $mode_enabled ) { wp_send_json_error( __( 'Choose an image format and save the settings.', 'quickwebp' ) ); } $already_optimized = get_post_meta( $attachment_id, 'quickwebp_already_optimized', true ); if ( '1' == $already_optimized && '1' == $mode_enabled ) { wp_send_json_error( __( 'Already optimized.', 'quickwebp' ) ); } if ( '2' == $already_optimized && '2' == $mode_enabled ) { wp_send_json_error( __( 'Already optimized.', 'quickwebp' ) ); } $post_mime_type = get_post_mime_type( $attachment_id ); if ( ! in_array( $post_mime_type, $this->allowed_mime_types ) ) { wp_send_json_error( __( 'Not a valid image.', 'quickwebp' ) ); } $sizes = $this->get_media_files( $attachment_id ); $new_sizes = array(); foreach ( $sizes as $key => $size ) { quickwebp_debug_log( 'single_optimization_ajax:optimize_size', array( 'size_key' => $key, 'path' => $size['path'] ?? '' ) ); $result = $this->optimize_local_file( $size ); if ( $result ) { $new_sizes[$key] = $result; } } if ( ! empty( $new_sizes ) ) { $this->record_attachment_optimization_stats( $new_sizes ); $data = get_post_meta( $attachment_id, 'quickwebp_data', true ); if ( ! empty( $data ) ) { $this->remove_related_files( $data ); } if ( '1' == $mode_enabled ) { update_post_meta( $attachment_id, 'quickwebp_already_optimized', '1' ); } elseif ( '2' == $mode_enabled ) { update_post_meta( $attachment_id, 'quickwebp_already_optimized', '2' ); } update_post_meta( $attachment_id, 'quickwebp_data', $new_sizes ); delete_post_meta( $attachment_id, 'quickwebp_has_error' ); } else { update_post_meta( $attachment_id, 'quickwebp_has_error', '1' ); delete_post_meta( $attachment_id, 'quickwebp_already_optimized' ); delete_post_meta( $attachment_id, 'quickwebp_data' ); } $wp_media_extend = new Quickwebp_Wp_Media_Extends( $this->plugin_name, $this->version ); $html = $wp_media_extend->attachment_data( $new_sizes, $attachment_id ); wp_send_json_success( $html ); } /** * Undo a single media optimization */ public function undo_single_optimization_ajax() { // verify the nonce. $nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : ''; if( !wp_verify_nonce( $nonce, 'quickwebp_admin_attachment' ) ) { wp_send_json_error( __( 'Refresh the page and try again.', 'quickwebp' ) ); } // Sanitize data $attachment_id = isset( $_POST['attachment_id'] ) ? absint( wp_unslash( $_POST['attachment_id'] ) ) : 0; if ( ! $attachment_id ) { wp_send_json_error( __( 'No attachment id.', 'quickwebp' ) ); } $data = get_post_meta( $attachment_id, 'quickwebp_data', true ); if ( ! empty( $data ) ) { $this->remove_related_files( $data ); delete_post_meta( $attachment_id, 'quickwebp_already_optimized' ); delete_post_meta( $attachment_id, 'quickwebp_data' ); $wp_media_extend = new Quickwebp_Wp_Media_Extends( $this->plugin_name, $this->version ); $html = $wp_media_extend->optimize_btn( $attachment_id ); wp_send_json_success( $html ); } else { wp_send_json_error( __( 'Not optimized.', 'quickwebp' ) ); } } /** * Trigger before delete attachment */ public function before_delete_attachment( $post_id ) { $data = get_post_meta( $post_id, 'quickwebp_data', true ); if ( ! empty( $data ) ) { $this->remove_related_files( $data ); } } /** * Get the image data for the preview in the settings page */ public function get_image_data_for_preview_ajax() { quickwebp_debug_log( 'get_image_data_for_preview_ajax:start' ); // verify the nonce. $nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : ''; if( !wp_verify_nonce( $nonce, 'image_optimize_nonce' ) ) { wp_send_json_error( __( 'Refresh the page and try again.', 'quickwebp' ) ); } // Get the file $file = count($_FILES) > 0 ? array_shift($_FILES) : array(); if ( empty($file) ) { quickwebp_debug_log( 'get_image_data_for_preview_ajax:missing_file' ); wp_send_json_error( __( 'No image uploaded, try again.', 'quickwebp' ) ); } $image_file = $this->file_is_image( $file ); if ( ! $image_file ) { quickwebp_debug_log( 'get_image_data_for_preview_ajax:not_image' ); wp_send_json_error( __( 'No image uploaded, try again.', 'quickwebp' ) ); } $preview_image_data = array( 'name' => $image_file['name'], 'size' => size_format( $image_file['size'], 2 ), 'dimensions' => $image_file['width'] . ' x ' . $image_file['height'], ); $conversions = array( '1', '2' ); $qualities = array( 'low', 'medium', 'high', 'extra_high' ); foreach ( $conversions as $conversion ) { foreach ( $qualities as $quality ) { quickwebp_debug_log( 'get_image_data_for_preview_ajax:preview_variant', array( 'conversion' => $conversion, 'quality' => $quality ) ); $size_after = 0; if ( '2' == $conversion ) { $new_path = $image_file['tmp_name'] . '-' . $quality . '.avif'; $quality_value = $this->get_the_quality_values( $quality, $conversion ); $avif_image = $this->create_avif_image( $image_file['tmp_name'], $new_path, $quality_value ); if ( $avif_image ) { $size_after = filesize( $new_path ); } } elseif ( '1' == $conversion ) { $new_path = $image_file['tmp_name'] . '-' . $quality . '.webp'; $quality_value = $this->get_the_quality_values( $quality, $conversion ); $webp_image = $this->create_webp_image( $image_file['tmp_name'], $new_path, $quality_value ); if ( $webp_image ) { $size_after = filesize( $new_path ); } } $deference = $image_file['size'] - $size_after; $percent = $deference / $image_file['size'] * 100; $preview_image_data[$conversion . '_' . $quality] = array( 'size' => size_format( $size_after, 2 ), 'save' => size_format( $deference, 2 ), 'save_percent' => round( $percent ) . '%', 'percent' => round( 100 - $percent ) . '%', ); } } wp_send_json_success( $preview_image_data ); } /** * Get the unoptimized media ids */ public function get_unoptimized_media_ids() { $settings = $this->get_settings(); $mode_enabled = $settings['quickwebp_settings_conversion']; $ignore_same_format = is_array( $settings['quickwebp_settings_conversion_ignore_webp'] ) ? $settings['quickwebp_settings_conversion_ignore_webp'] : array(); $statuses = array( 'inherit' => 'inherit', 'private' => 'private', ); $custom_statuses = get_post_stati( array( 'public' => true ) ); unset( $custom_statuses['publish'] ); if ( $custom_statuses ) { $statuses = array_merge( $statuses, $custom_statuses ); } $allowed_mime_types = $this->allowed_mime_types; if ( in_array( 'checked', $ignore_same_format ) ) { if ( '1' == $mode_enabled ) { $webp_index = array_search( 'image/webp', $allowed_mime_types ); unset( $allowed_mime_types[$webp_index] ); } elseif ( '2' == $mode_enabled ) { $avif_index = array_search( 'image/avif', $allowed_mime_types ); unset( $allowed_mime_types[$avif_index] ); } } $meta_query_already_optimized = array( 'relation' => 'OR', array( 'key' => 'quickwebp_already_optimized', 'compare' => 'NOT EXISTS' ), ); if ( 'webp' == $mode_enabled ) { $meta_query_already_optimized[] = array( 'key' => 'quickwebp_already_optimized', 'compare' => '!=', 'value' => '1', ); } elseif ( 'avif' == $mode_enabled ) { $meta_query_already_optimized[] = array( 'key' => 'quickwebp_already_optimized', 'compare' => '!=', 'value' => '2', ); } $media_ids = get_posts( array( 'post_type' => 'attachment', 'post_mime_type' => $allowed_mime_types, 'post_status' => array_keys( $statuses ), 'posts_per_page' => -1, 'fields' => 'ids', // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query 'meta_query' => array( 'relation' => 'AND', array( 'key' => 'quickwebp_has_error', 'compare' => 'NOT EXISTS' ), $meta_query_already_optimized, ), ) ); return $media_ids; } /** * Get the list of media files */ public function get_media_files( $media_id ) { $fullsize_path = get_attached_file( $media_id ); if ( ! $fullsize_path ) { return array(); } $media_data = wp_get_attachment_image_src( $media_id, 'full' ); $file_type = wp_check_filetype( $fullsize_path ); $all_sizes = [ 'full' => [ 'size' => 'full', 'path' => $fullsize_path, 'width' => $media_data[1], 'height' => $media_data[2], 'mime-type' => $file_type['type'], 'disabled' => false, ], ]; $sizes = wp_get_attachment_metadata( $media_id, true ); $sizes = ! empty( $sizes['sizes'] ) && is_array( $sizes['sizes'] ) ? $sizes['sizes'] : []; $dir_path = trailingslashit( dirname( $fullsize_path ) ); foreach ( $sizes as $size => $size_data ) { $all_sizes[ $size ] = [ 'size' => $size, 'path' => $dir_path . $size_data['file'], 'width' => $size_data['width'], 'height' => $size_data['height'], 'mime-type' => $size_data['mime-type'], 'disabled' => false ]; } return $all_sizes; } /** * Optimize a local file */ public function optimize_local_file( $size ) { global $quickwebp_surecart_client; quickwebp_debug_log( 'optimize_local_file:start', array( 'path' => $size['path'] ?? '' ) ); if ( !is_file($size['path']) ) { quickwebp_debug_log( 'optimize_local_file:missing_file', array( 'path' => $size['path'] ?? '' ) ); return false; } $real_type = mime_content_type( $size['path']); if ( !in_array( $real_type, $this->allowed_mime_types ) ) { quickwebp_debug_log( 'optimize_local_file:invalid_mime_type', array( 'mime_type' => $real_type ) ); return false; } $settings = $this->get_settings(); $quality = $this->get_the_quality( $settings ); $is_pro = false; if ( $quickwebp_surecart_client ) { $is_pro = $quickwebp_surecart_client->license()->is_valid(); } $mode_enabled = $settings['quickwebp_settings_conversion']; $size_before = filesize( $size['path'] ); $new_path = $size['path'] . '.' . ( '2' === $mode_enabled && $is_pro ? 'avif' : 'webp' ); $size_after = 0; if ( '2' === $mode_enabled && $is_pro ) { quickwebp_debug_log( 'optimize_local_file:try_avif', array( 'path' => $size['path'], 'quality' => $quality ) ); $avif_image = $this->create_avif_image( $size['path'], $new_path, $quality ); if ( $avif_image ) { $size_after = filesize( $new_path ); } } elseif ( '1' === $mode_enabled ) { quickwebp_debug_log( 'optimize_local_file:try_webp', array( 'path' => $size['path'], 'quality' => $quality ) ); $webp_image = $this->create_webp_image( $size['path'], $new_path, $quality ); if ( $webp_image ) { $size_after = filesize( $new_path ); } } if ( ! $size_after ) { quickwebp_debug_log( 'optimize_local_file:conversion_failed', array( 'path' => $size['path'], 'target_path' => $new_path ) ); return false; } $deference = $size_before - $size_after; $percent = $deference / $size_before * 100; return array( 'success' => 1, 'original_size' => $size_before, 'optimized_size' => $size_after, 'percent' => round( $percent, 2 ), 'path' => $new_path, 'format' => $mode_enabled, ); } /** * Record aggregated optimization statistics for one image attachment. * * @param array $optimized_sizes Optimization results for the attachment sizes. */ public function record_attachment_optimization_stats( $optimized_sizes ) { $size_before = 0; $size_after = 0; foreach ( $optimized_sizes as $optimized_size ) { $size_before += absint( $optimized_size['original_size'] ?? 0 ); $size_after += absint( $optimized_size['optimized_size'] ?? 0 ); } $this->record_optimization_stats( $size_before, $size_after ); } /** * Record local cumulative optimization statistics. * * @param int $size_before File size before optimization in bytes. * @param int $size_after File size after optimization in bytes. */ public function record_optimization_stats( $size_before, $size_after ) { $size_before = absint( $size_before ); $size_after = absint( $size_after ); if ( ! $size_before || ! $size_after ) { return; } $stats = get_option( 'quickwebp_optimization_stats', array() ); $stats = wp_parse_args( is_array( $stats ) ? $stats : array(), array( 'images_optimized' => 0, 'bytes_before' => 0, 'bytes_after' => 0, 'bytes_saved' => 0, ) ); $stats['images_optimized'] = absint( $stats['images_optimized'] ) + 1; $stats['bytes_before'] = absint( $stats['bytes_before'] ) + $size_before; $stats['bytes_after'] = absint( $stats['bytes_after'] ) + $size_after; $stats['bytes_saved'] = max( 0, $stats['bytes_before'] - $stats['bytes_after'] ); update_option( 'quickwebp_optimization_stats', $stats, false ); } /** * Remove the related files of an optimized attachment */ public function remove_related_files( $data ) { foreach ( $data as $value ) { $path = $value['path'] ?? ''; if ( ! empty( $path ) && file_exists( $path ) ) { wp_delete_file( $path ); } } } /** * Get the optimization settings */ public function get_settings() { return array( 'quickwebp_settings_conversion' => get_option('quickwebp_settings_conversion', quickwebp_settings_default('quickwebp_settings_conversion') ), 'quickwebp_settings_conversion_quality' => get_option('quickwebp_settings_conversion_quality', quickwebp_settings_default('quickwebp_settings_conversion_quality') ), 'quickwebp_settings_conversion_ignore_webp' => get_option('quickwebp_settings_conversion_ignore_webp', quickwebp_settings_default('quickwebp_settings_conversion_ignore_webp') ), 'quickwebp_settings_conversion_save_original' => get_option('quickwebp_settings_conversion_save_original', quickwebp_settings_default('quickwebp_settings_conversion_save_original') ), 'quickwebp_settings_resize' => get_option('quickwebp_settings_resize', quickwebp_settings_default('quickwebp_settings_resize') ), 'quickwebp_settings_resize_value' => get_option('quickwebp_settings_resize_value', quickwebp_settings_default('quickwebp_settings_resize_value') ), 'quickwebp_settings_completion' => get_option('quickwebp_settings_completion', quickwebp_settings_default('quickwebp_settings_completion') ), 'quickwebp_settings_completion_options' => get_option('quickwebp_settings_completion_options', quickwebp_settings_default('quickwebp_settings_completion_options') ), 'quickwebp_settings_cleanup' => get_option('quickwebp_settings_cleanup', quickwebp_settings_default('quickwebp_settings_cleanup') ), ); } /** * Get the optimization settings */ private function get_ajax_settings() { //phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized $raw_settings = isset( $_POST['settings'] ) ? wp_unslash( $_POST['settings'] ) : ''; $settings = is_string( $raw_settings ) ? json_decode( $raw_settings, true ) : array(); if ( ! is_array( $settings ) ) { $settings = array(); } return array( 'quickwebp_settings_conversion' => isset( $settings['quickwebp_settings_conversion'] ) ? sanitize_text_field( (string) $settings['quickwebp_settings_conversion'] ) : '0', 'quickwebp_settings_conversion_quality' => isset( $settings['quickwebp_settings_conversion_quality'] ) ? sanitize_text_field( $settings['quickwebp_settings_conversion_quality'] ) : 'high', 'quickwebp_settings_conversion_ignore_webp' => isset( $settings['quickwebp_settings_conversion_ignore_webp'] ) && is_array( $settings['quickwebp_settings_conversion_ignore_webp'] ) ? array_map( 'sanitize_text_field', $settings['quickwebp_settings_conversion_ignore_webp'] ) : array(), 'quickwebp_settings_resize' => isset( $settings['quickwebp_settings_resize'] ) ? sanitize_text_field( (string) $settings['quickwebp_settings_resize'] ) : '', 'quickwebp_settings_resize_value' => isset( $settings['quickwebp_settings_resize_value'] ) ? absint( $settings['quickwebp_settings_resize_value'] ) : 0, 'quickwebp_settings_completion' => isset( $settings['quickwebp_settings_completion'] ) ? sanitize_text_field( (string) $settings['quickwebp_settings_completion'] ) : '', 'quickwebp_settings_completion_options' => isset( $settings['quickwebp_settings_completion_options'] ) && is_array( $settings['quickwebp_settings_completion_options'] ) ? array_map( 'sanitize_text_field', $settings['quickwebp_settings_completion_options'] ) : array(), 'quickwebp_settings_cleanup' => isset( $settings['quickwebp_settings_cleanup'] ) ? sanitize_text_field( (string) $settings['quickwebp_settings_cleanup'] ) : '', ); } /** * Check if the file is an image */ private function file_is_image( $file, $settings = array() ) { $file_name = isset($file['name']) ? $file['name'] : ''; $file_type = isset($file['type']) ? $file['type'] : ''; $file_tmp_name = isset($file['tmp_name']) ? $file['tmp_name'] : ''; $file_error = isset($file['error']) ? $file['error'] : ''; $file_size = isset($file['size']) ? $file['size'] : ''; if ( empty($file_tmp_name) ) { quickwebp_debug_log( 'file_is_image:missing_tmp_name', array( 'file_name' => $file_name ) ); return false; } $allowed_mime_types = apply_filters( 'quickwebp_mime_types_allowed', $this->allowed_mime_types ); $is_image = wp_getimagesize($file_tmp_name); $mime_type = wp_get_image_mime($file_tmp_name); if ( ! $is_image || ! in_array( $mime_type, $allowed_mime_types ) ) { quickwebp_debug_log( 'file_is_image:rejected', array( 'file_name' => $file_name, 'mime_type' => $mime_type ) ); return false; } $name = $file_name; if ( isset($settings['quickwebp_settings_cleanup']) && $settings['quickwebp_settings_cleanup'] == '1' ) { $name = quickwebp_sanitize_name($file_name); } return array( 'original_name' => $file_name, 'name' => $name, 'type' => $file_type, 'tmp_name' => $file_tmp_name, 'error' => $file_error, 'size' => $file_size, 'width' => $is_image[0], 'height' => $is_image[1], ); } /** * Return ajax data */ private function return_ajax_data( $data ) { $return = array( 'original_name' => $data['original_name'], 'size' => $data['size'], 'type' => $this->type_from_mime_type( $data['type'] ), 'mime_type' => $data['type'], 'image' => 'data:'.$data['new_type'].';base64,' . base64_encode( file_get_contents( $data['tmp_name'] ) ), 'name' => $data['name'], 'new_size' => $data['new_size'], 'new_type' => $this->type_from_mime_type( $data['new_type'] ), 'new_mime_type' => $data['new_type'] ); wp_send_json_success( $return ); } /** * Get the type from the mime type */ private function type_from_mime_type( $mime_type ) { $array = array( 'image/jpeg' => 'JPEG', 'image/png' => 'PNG', 'image/webp' => 'WebP', 'image/avif' => 'AVIF', ); return $array[$mime_type] ?? ''; } /** * Get the quality */ private function get_the_quality( $settings ) { $mode_enabled = $settings['quickwebp_settings_conversion']; $quality = $settings['quickwebp_settings_conversion_quality']; return $this->get_the_quality_values( $quality, $mode_enabled ); } /** * Get the quality values for avif and webp */ private function get_the_quality_values( $quality, $mode_enabled ) { $result = 50; switch ( $quality ) { case 'low': $result = 50; if ( '2' === $mode_enabled ) { $result = 30; } break; case 'medium': $result = 60; if ( '2' === $mode_enabled ) { $result = 40; } break; case 'high': $result = 75; if ( '2' === $mode_enabled ) { $result = 50; } break; case 'extra_high': $result = 90; if ( '2' === $mode_enabled ) { $result = 70; } break; } return $result; } /** * Get the extension matching an image mime type. * * @param string $mime_type Image mime type. * * @return string */ private function get_extension_from_mime_type( $mime_type ) { $extensions = array( 'image/avif' => 'avif', 'image/webp' => 'webp', 'image/jpeg' => 'jpg', 'image/png' => 'png', ); return $extensions[ $mime_type ] ?? ''; } /** * Create an image using the WordPress image editor abstraction. * * @param string $file_path Path to the source image. * @param string $output_path Path where the converted image should be written. * @param int $quality Compression quality. * @param string $target_mime_type Output mime type. * * @return bool */ private function create_image_with_wp_editor( $file_path, $output_path, $quality, $target_mime_type ) { quickwebp_debug_log( 'create_image_with_wp_editor:start', array( 'file_path' => $file_path, 'output_path' => $output_path, 'quality' => $quality, 'target_mime_type' => $target_mime_type, ) ); $editor = wp_get_image_editor( $file_path ); if ( is_wp_error( $editor ) ) { quickwebp_debug_log( 'create_image_with_wp_editor:editor_error', array( 'message' => $editor->get_error_message() ) ); return false; } $extension = $this->get_extension_from_mime_type( $target_mime_type ); if ( empty( $extension ) ) { quickwebp_debug_log( 'create_image_with_wp_editor:missing_extension', array( 'target_mime_type' => $target_mime_type ) ); return false; } $save_path = $output_path; if ( pathinfo( $output_path, PATHINFO_EXTENSION ) !== $extension ) { $save_path = $output_path . '.' . $extension; } $editor->set_quality( $quality ); $result = $editor->save( $save_path, $target_mime_type ); if ( is_wp_error( $result ) || empty( $result['path'] ) || ! file_exists( $result['path'] ) ) { quickwebp_debug_log( 'create_image_with_wp_editor:save_failed', array( 'output_path' => $save_path, 'error' => is_wp_error( $result ) ? $result->get_error_message() : 'missing_generated_file', ) ); return false; } $source_size = file_exists( $file_path ) ? filesize( $file_path ) : 0; $generated_size = filesize( $result['path'] ); if ( $source_size > 0 && $generated_size > $source_size ) { quickwebp_debug_log( 'create_image_with_wp_editor:larger_than_source', array( 'source_size' => $source_size, 'generated_size' => $generated_size, 'output_path' => $result['path'], ) ); wp_delete_file( $result['path'] ); return false; } if ( $result['path'] !== $output_path ) { $file_contents = file_get_contents( $result['path'] ); if ( false === $file_contents || false === file_put_contents( $output_path, $file_contents ) ) { quickwebp_debug_log( 'create_image_with_wp_editor:copy_failed', array( 'output_path' => $output_path ) ); return false; } wp_delete_file( $result['path'] ); } quickwebp_debug_log( 'create_image_with_wp_editor:success', array( 'output_path' => $output_path, 'generated_size' => file_exists( $output_path ) ? filesize( $output_path ) : $generated_size, 'target_mime_type'=> $target_mime_type, ) ); return true; } /** * Create a GD image resource when the required loader is available. * * @param string $file_path Path to the source image. * @param string $mime_type Source mime type. * * @return GdImage|resource|false */ private function create_gd_image_resource( $file_path, $mime_type ) { $loaders = array( 'image/avif' => 'imagecreatefromavif', 'image/webp' => 'imagecreatefromwebp', 'image/jpeg' => 'imagecreatefromjpeg', 'image/png' => 'imagecreatefrompng', ); if ( empty( $loaders[ $mime_type ] ) ) { return false; } $loader = $loaders[ $mime_type ]; if ( ! function_exists( $loader ) ) { return false; } return $loader( $file_path ); } /** * Check whether the source mime type can be loaded through GD. * * @param string $mime_type Source mime type. * * @return bool */ private function can_load_image_with_gd( $mime_type ) { $loaders = array( 'image/avif' => 'imagecreatefromavif', 'image/webp' => 'imagecreatefromwebp', 'image/jpeg' => 'imagecreatefromjpeg', 'image/png' => 'imagecreatefrompng', ); if ( empty( $loaders[ $mime_type ] ) ) { return false; } return function_exists( $loaders[ $mime_type ] ); } /** * Create the avif image */ private function create_avif_image( $file_path, $output_path, $quality ) { $image = false; $mime_type = wp_get_image_mime( $file_path ); quickwebp_debug_log( 'create_avif_image:start', array( 'file_path' => $file_path, 'output_path' => $output_path, 'mime_type' => $mime_type, 'quality' => $quality, ) ); if ( ! $this->can_load_image_with_gd( $mime_type ) && $this->create_image_with_wp_editor( $file_path, $output_path, $quality, 'image/avif' ) ) { quickwebp_debug_log( 'create_avif_image:used_wp_editor', array( 'mime_type' => $mime_type ) ); return true; } $image = $this->create_gd_image_resource( $file_path, $mime_type ); if ( ! $image ) { quickwebp_debug_log( 'create_avif_image:gd_load_failed', array( 'mime_type' => $mime_type ) ); return false; } // Handle EXIF orientation for proper image rotation $exif_data = @exif_read_data( $file_path ); if ( ! empty( $exif_data['Orientation'] ) ) { $orientation = (int) $exif_data['Orientation']; //phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound $orientation = apply_filters( 'wp_image_maybe_exif_rotate', $orientation, $file_path ); if ( $orientation && 1 !== $orientation ) { switch ( $orientation ) { case 2: // Flip horizontally. imageflip( $image, IMG_FLIP_HORIZONTAL ); break; case 3: // Rotate 180 degrees. $image = imagerotate( $image, 180, 0 ); break; case 4: // Flip vertically. imageflip( $image, IMG_FLIP_VERTICAL ); break; case 5: // Rotate 90 degrees counter-clockwise and flip vertically. $image = imagerotate( $image, -90, 0 ); imageflip( $image, IMG_FLIP_VERTICAL ); break; case 6: // Rotate 90 degrees clockwise (270 counter-clockwise). $image = imagerotate( $image, -90, 0 ); break; case 7: // Rotate 90 degrees counter-clockwise and flip horizontally. $image = imagerotate( $image, 90, 0 ); imageflip( $image, IMG_FLIP_HORIZONTAL ); break; case 8: // Rotate 90 degrees counter-clockwise. $image = imagerotate( $image, 90, 0 ); break; } } } if ( ! imageistruecolor( $image ) ) { $truecolor = imagecreatetruecolor( imagesx( $image ), imagesy( $image ) ); if ( $mime_type === 'image/png' ) { imagealphablending( $truecolor, false ); imagesavealpha( $truecolor, true ); $transparent = imagecolorallocatealpha( $truecolor, 0, 0, 0, 127 ); imagefilledrectangle( $truecolor, 0, 0, imagesx( $image ), imagesy( $image ), $transparent ); } imagecopy( $truecolor, $image, 0, 0, 0, 0, imagesx( $image ), imagesy( $image ) ); $image = $truecolor; } $avif_image = imageavif( $image, $output_path, $quality ); imagedestroy( $image ); if ( ! $avif_image ) { quickwebp_debug_log( 'create_avif_image:gd_save_failed', array( 'output_path' => $output_path ) ); return false; } quickwebp_debug_log( 'create_avif_image:gd_success', array( 'output_path' => $output_path, 'file_size' => file_exists( $output_path ) ? filesize( $output_path ) : 0, ) ); return $avif_image; } /** * Create the webp image */ private function create_webp_image( $file_path, $output_path, $quality ) { $image = false; $mime_type = wp_get_image_mime( $file_path ); quickwebp_debug_log( 'create_webp_image:start', array( 'file_path' => $file_path, 'output_path' => $output_path, 'mime_type' => $mime_type, 'quality' => $quality, ) ); if ( ! $this->can_load_image_with_gd( $mime_type ) && $this->create_image_with_wp_editor( $file_path, $output_path, $quality, 'image/webp' ) ) { quickwebp_debug_log( 'create_webp_image:used_wp_editor', array( 'mime_type' => $mime_type ) ); return true; } $image = $this->create_gd_image_resource( $file_path, $mime_type ); if ( ! $image ) { quickwebp_debug_log( 'create_webp_image:gd_load_failed', array( 'mime_type' => $mime_type ) ); return false; } // Handle EXIF orientation for proper image rotation $exif_data = @exif_read_data( $file_path ); if ( ! empty( $exif_data['Orientation'] ) ) { $orientation = (int) $exif_data['Orientation']; //phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound $orientation = apply_filters( 'wp_image_maybe_exif_rotate', $orientation, $file_path ); if ( $orientation && 1 !== $orientation ) { switch ( $orientation ) { case 2: // Flip horizontally. imageflip( $image, IMG_FLIP_HORIZONTAL ); break; case 3: // Rotate 180 degrees. $image = imagerotate( $image, 180, 0 ); break; case 4: // Flip vertically. imageflip( $image, IMG_FLIP_VERTICAL ); break; case 5: // Rotate 90 degrees counter-clockwise and flip vertically. $image = imagerotate( $image, -90, 0 ); imageflip( $image, IMG_FLIP_VERTICAL ); break; case 6: // Rotate 90 degrees clockwise (270 counter-clockwise). $image = imagerotate( $image, -90, 0 ); break; case 7: // Rotate 90 degrees counter-clockwise and flip horizontally. $image = imagerotate( $image, 90, 0 ); imageflip( $image, IMG_FLIP_HORIZONTAL ); break; case 8: // Rotate 90 degrees counter-clockwise. $image = imagerotate( $image, 90, 0 ); break; } } } if ( ! imageistruecolor( $image ) ) { $truecolor = imagecreatetruecolor( imagesx( $image ), imagesy( $image ) ); if ( $mime_type === 'image/png' ) { imagealphablending( $truecolor, false ); imagesavealpha( $truecolor, true ); $transparent = imagecolorallocatealpha( $truecolor, 0, 0, 0, 127 ); imagefilledrectangle( $truecolor, 0, 0, imagesx( $image ), imagesy( $image ), $transparent ); } imagecopy( $truecolor, $image, 0, 0, 0, 0, imagesx( $image ), imagesy( $image ) ); $image = $truecolor; } $webp_image = imagewebp( $image, $output_path, $quality ); imagedestroy( $image ); if ( ! $webp_image ) { quickwebp_debug_log( 'create_webp_image:gd_save_failed', array( 'output_path' => $output_path ) ); return false; } quickwebp_debug_log( 'create_webp_image:gd_success', array( 'output_path' => $output_path, 'file_size' => file_exists( $output_path ) ? filesize( $output_path ) : 0, ) ); return $webp_image; } } ```