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?? css.cls.php(17.77 KB)
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?? data_structure
?? db-optm.cls.php(15.35 KB)
?? debug2.cls.php(18.4 KB)
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?? img-optm-manage.trait.php(30.85 KB)
?? img-optm-pull.trait.php(22.1 KB)
?? img-optm-send.trait.php(21.9 KB)
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?? lang.cls.php(17.02 KB)
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Editing: img-optm-send.trait.php

<?php
/**
 * Image optimization send trait
 *
 * @package LiteSpeed
 * @since 7.8
 */

namespace LiteSpeed;

defined( 'WPINC' ) || exit();

/**
 * Trait Img_Optm_Send
 *
 * Handles image optimization request sending.
 */
trait Img_Optm_Send {

/**
	 * Gather images auto when update attachment meta
	 * This is to optimize new uploaded images first. Stored in img_optm table.
	 * Later normal process will auto remove these records when trying to optimize these images again
	 *
	 * @since  4.0
	 * @param array $meta_value The meta value array.
	 * @param int   $post_id    The post ID.
	 */
	public function wp_update_attachment_metadata( $meta_value, $post_id ) {
		global $wpdb;

self::debug2( '🖌️ Auto update attachment meta [id] ' . $post_id );
		if ( empty( $meta_value['file'] ) ) {
			return;
		}

// Load gathered images
		if ( ! $this->_existed_src_list ) {
			// To aavoid extra query when recalling this function
			self::debug( 'SELECT src from img_optm table' );
			if ( $this->__data->tb_exist( 'img_optm' ) ) {
				$q = "SELECT src FROM `$this->_table_img_optm` WHERE post_id = %d";
				// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
				$list = $wpdb->get_results( $wpdb->prepare( $q, $post_id ) );
				foreach ( $list as $v ) {
					$this->_existed_src_list[] = $post_id . '.' . $v->src;
				}
			}
			if ( $this->__data->tb_exist( 'img_optming' ) ) {
				$q = "SELECT src FROM `$this->_table_img_optming` WHERE post_id = %d";
				// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
				$list = $wpdb->get_results( $wpdb->prepare( $q, $post_id ) );
				foreach ( $list as $v ) {
					$this->_existed_src_list[] = $post_id . '.' . $v->src;
				}
			} else {
				$this->__data->tb_create( 'img_optming' );
			}
		}

// Prepare images
		$this->tmp_pid  = $post_id;
		$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
		$this->_append_img_queue( $meta_value, true );
		if ( ! empty( $meta_value['sizes'] ) ) {
			foreach ( $meta_value['sizes'] as $img_size_name => $img_size ) {
				$this->_append_img_queue( $img_size, false, $img_size_name );
			}
		}

if ( ! $this->_img_in_queue ) {
			self::debug( 'auto update attachment meta 2 bypass: empty _img_in_queue' );
			return;
		}

// Save to DB
		$this->_save_raw();

// $this->_send_request();
	}

/**
	 * Auto send optm request
	 *
	 * @since  2.4.1
	 * @access public
	 */
	public static function cron_auto_request() {
		if ( ! wp_doing_cron() ) {
			return false;
		}

$instance = self::cls();
		$instance->new_req();
	}

/**
	 * Calculate wet run allowance
	 *
	 * @since 3.0
	 * @return int|false The wet limit or false if no limit.
	 */
	public function wet_limit() {
		$wet_limit = 1;
		if ( ! empty( $this->_summary['img_taken'] ) ) {
			$wet_limit = pow( $this->_summary['img_taken'], 2 );
		}

if ( 1 === $wet_limit && ! empty( $this->_summary[ 'img_status.' . self::STATUS_ERR_OPTM ] ) ) {
			$wet_limit = pow( $this->_summary[ 'img_status.' . self::STATUS_ERR_OPTM ], 2 );
		}

if ( $wet_limit < Cloud::IMG_OPTM_DEFAULT_GROUP ) {
			return $wet_limit;
		}

// No limit
		return false;
	}

/**
	 * Push raw img to image optm server
	 *
	 * @since 1.6
	 * @access public
	 */
	public function new_req() {
		global $wpdb;

// check if is running
		if ( ! empty( $this->_summary['is_running'] ) && time() - $this->_summary['is_running'] < apply_filters( 'litespeed_imgoptm_new_req_interval', 3600 ) ) {
			self::debug( 'The previous req was in 3600s.' );
			return;
		}
		$this->_summary['is_running'] = time();
		self::save_summary();

// Check if has credit to push
		$err       = false;
		$allowance = Cloud::cls()->allowance( Cloud::SVC_IMG_OPTM, $err );

$wet_limit = $this->wet_limit();

self::debug( "allowance_max $allowance wet_limit $wet_limit" );
		if ( $wet_limit && $wet_limit < $allowance ) {
			$allowance = $wet_limit;
		}

if ( ! $allowance ) {
			self::debug( '❌ No credit' );
			Admin_Display::error( Error::msg( $err ) );
			$this->_finished_running();
			return;
		}

self::debug( 'preparing images to push' );

$this->__data->tb_create( 'img_optming' );

$q = "SELECT COUNT(1) FROM `$this->_table_img_optming` WHERE optm_status = %d";
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$q = $wpdb->prepare( $q, [ self::STATUS_REQUESTED ] );
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$total_requested = $wpdb->get_var( $q );
		$max_requested   = $allowance * 1;

if ( $total_requested > $max_requested ) {
			self::debug( '❌ Too many queued images (' . $total_requested . ' > ' . $max_requested . ')' );
			Admin_Display::error( Error::msg( 'too_many_requested' ) );
			$this->_finished_running();
			return;
		}

$allowance -= $total_requested;

if ( $allowance < 1 ) {
			self::debug( '❌ Too many requested images ' . $total_requested );
			Admin_Display::error( Error::msg( 'too_many_requested' ) );
			$this->_finished_running();
			return;
		}

// Limit maximum number of items waiting to be pulled
		$q = "SELECT COUNT(1) FROM `$this->_table_img_optming` WHERE optm_status = %d";
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$q = $wpdb->prepare( $q, [ self::STATUS_NOTIFIED ] );
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$total_notified = $wpdb->get_var( $q );
		if ( $total_notified > 0 ) {
			self::debug( '❌ Too many notified images (' . $total_notified . ')' );
			Admin_Display::error( Error::msg( 'too_many_notified' ) );
			$this->_finished_running();
			return;
		}

$q = "SELECT COUNT(1) FROM `$this->_table_img_optming` WHERE optm_status IN (%d, %d)";
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$q = $wpdb->prepare( $q, [ self::STATUS_NEW, self::STATUS_RAW ] );
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$total_new = $wpdb->get_var( $q );
		// $allowance -= $total_new;

// May need to get more images
		$list = [];
		$more = $allowance - $total_new;
		if ( $more > 0 ) {
			$q = "SELECT b.post_id, b.meta_value
				FROM `$wpdb->posts` a
				LEFT JOIN `$wpdb->postmeta` b ON b.post_id = a.ID
				WHERE b.meta_key = '_wp_attachment_metadata'
					AND a.post_type = 'attachment'
					AND a.post_status = 'inherit'
					AND a.ID>%d
					AND a.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
				ORDER BY a.ID
				LIMIT %d
				";
			// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
			$q = $wpdb->prepare( $q, [ $this->_summary['next_post_id'], $more ] );
			// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
			$list = $wpdb->get_results( $q );
			foreach ( $list as $v ) {
				if ( ! $v->post_id ) {
					continue;
				}

$this->_summary['next_post_id'] = $v->post_id;

$meta_value = $this->_parse_wp_meta_value( $v );
				if ( ! $meta_value ) {
					continue;
				}
				$meta_value['file'] = wp_normalize_path( $meta_value['file'] );
				$basedir            = $this->wp_upload_dir['basedir'] . '/';
				if ( strpos( $meta_value['file'], $basedir ) === 0 ) {
					$meta_value['file'] = substr( $meta_value['file'], strlen( $basedir ) );
				}

$this->tmp_pid  = $v->post_id;
				$this->tmp_path = pathinfo( $meta_value['file'], PATHINFO_DIRNAME ) . '/';
				$this->_append_img_queue( $meta_value, true );
				if ( ! empty( $meta_value['sizes'] ) ) {
					foreach ( $meta_value['sizes'] as $img_size_name => $img_size ) {
						$this->_append_img_queue( $img_size, false, $img_size_name );
					}
				}
			}

self::save_summary();

$num_a = count( $this->_img_in_queue );
			self::debug( 'Images found: ' . $num_a );
			$this->_filter_duplicated_src();
			self::debug( 'Images after duplicated: ' . count( $this->_img_in_queue ) );
			$this->_filter_invalid_src();
			self::debug( 'Images after invalid: ' . count( $this->_img_in_queue ) );
			// Check w/ legacy imgoptm table, bypass finished images
			$this->_filter_legacy_src();

$num_b = count( $this->_img_in_queue );
			if ( $num_b !== $num_a ) {
				self::debug( 'Images after filtered duplicated/invalid/legacy src: ' . $num_b );
			}

// Save to DB
			$this->_save_raw();
		}

// Push to Cloud server
		$accepted_imgs = $this->_send_request( $allowance );

$this->_finished_running();
		if ( ! $accepted_imgs ) {
			return;
		}

$placeholder1 = Admin_Display::print_plural( $accepted_imgs[0], 'image' );
		$placeholder2 = Admin_Display::print_plural( $accepted_imgs[1], 'image' );
		$msg          = sprintf( __( 'Pushed %1$s to Cloud server, accepted %2$s.', 'litespeed-cache' ), $placeholder1, $placeholder2 );
		Admin_Display::success( $msg );
	}

/**
	 * Set running to done
	 *
	 * @since 3.0
	 * @access private
	 */
	private function _finished_running() {
		$this->_summary['is_running'] = 0;
		self::save_summary();
	}

/**
	 * Add a new img to queue which will be pushed to request
	 *
	 * @since 1.6
	 * @since 7.5 Allow to choose which image sizes should be optimized + added parameter $img_size_name.
	 * @access private
	 * @param array       $meta_value    The meta value array.
	 * @param bool        $is_ori_file   Whether this is the original file.
	 * @param string|bool $img_size_name The image size name or false.
	 */
	private function _append_img_queue( $meta_value, $is_ori_file = false, $img_size_name = false ) {
		if ( empty( $meta_value['file'] ) || empty( $meta_value['width'] ) || empty( $meta_value['height'] ) ) {
			self::debug2( 'bypass image due to lack of file/w/h: pid ' . $this->tmp_pid, $meta_value );
			return;
		}

$short_file_path = $meta_value['file'];

// Test if need to skip image size.
		if ( ! $is_ori_file ) {
			$short_file_path = $this->tmp_path . $short_file_path;
			$skip            = false !== array_search( $img_size_name, $this->_sizes_skipped, true );
			if ( $skip ) {
				self::debug2( 'bypass image ' . $short_file_path . ' due to skipped size: ' . $img_size_name );
				return;
			}
		}

// Check if src is gathered already or not
		if ( in_array( $this->tmp_pid . '.' . $short_file_path, $this->_existed_src_list, true ) ) {
			// Debug2::debug2( '[Img_Optm] bypass image due to gathered: pid ' . $this->tmp_pid . ' ' . $short_file_path );
			return;
		} else {
			// Append handled images
			$this->_existed_src_list[] = $this->tmp_pid . '.' . $short_file_path;
		}

// check file exists or not
		$_img_info = $this->__media->info( $short_file_path, $this->tmp_pid );

$extension = pathinfo( $short_file_path, PATHINFO_EXTENSION );
		if ( ! $_img_info || ! in_array( $extension, [ 'jpg', 'jpeg', 'png', 'gif' ], true ) ) {
			self::debug2( 'bypass image due to file not exist: pid ' . $this->tmp_pid . ' ' . $short_file_path );
			return;
		}

// Check if optimized file exists or not
		$target_needed = false;
		if ( $this->_format ) {
			$target_file_path = $short_file_path . '.' . $this->_format;
			if ( ! $this->__media->info( $target_file_path, $this->tmp_pid ) ) {
				$target_needed = true;
			}
		}
		if ( $this->conf( self::O_IMG_OPTM_ORI ) ) {
			$target_file_path = substr( $short_file_path, 0, -strlen( $extension ) ) . 'bk.' . $extension;
			if ( ! $this->__media->info( $target_file_path, $this->tmp_pid ) ) {
				$target_needed = true;
			}
		}
		if ( ! $target_needed ) {
			self::debug2( 'bypass image due to optimized file exists: pid ' . $this->tmp_pid . ' ' . $short_file_path );
			return;
		}

// Debug2::debug2( '[Img_Optm] adding image: pid ' . $this->tmp_pid );

$this->_img_in_queue[] = [
			'pid'       => $this->tmp_pid,
			'md5'       => $_img_info['md5'],
			'url'       => $_img_info['url'],
			'src'       => $short_file_path, // not needed in LiteSpeed IAPI, just leave for local storage after post
			'mime_type' => ! empty( $meta_value['mime-type'] ) ? $meta_value['mime-type'] : '',
		];
	}

/**
	 * Save gathered image raw data
	 *
	 * @since  3.0
	 * @access private
	 */
	private function _save_raw() {
		if ( empty( $this->_img_in_queue ) ) {
			return;
		}
		$data     = [];
		$pid_list = [];
		foreach ( $this->_img_in_queue as $k => $v ) {
			$_img_info = $this->__media->info( $v['src'], $v['pid'] );

// attachment doesn't exist, delete the record
			if ( empty( $_img_info['url'] ) || empty( $_img_info['md5'] ) ) {
				unset( $this->_img_in_queue[ $k ] );
				continue;
			}
			$pid_list[] = (int) $v['pid'];

$data[] = $v['pid'];
			$data[] = self::STATUS_RAW;
			$data[] = $v['src'];
		}

global $wpdb;
		$fields = 'post_id, optm_status, src';
		$q      = "INSERT INTO `$this->_table_img_optming` ( $fields ) VALUES ";

// Add placeholder
		$q .= Utility::chunk_placeholder( $data, $fields );

// Store data
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$wpdb->query( $wpdb->prepare( $q, $data ) );

$count = count( $this->_img_in_queue );
		self::debug( 'Added raw images [total] ' . $count );

$this->_img_in_queue = [];

// Save thumbnail groups for future rescan index
		$this->_gen_thumbnail_set();

$pid_list = array_unique( $pid_list );
		self::debug( 'pid list to append to postmeta', $pid_list );
		$pid_list        = array_diff( $pid_list, $this->_pids_set );
		$this->_pids_set = array_merge( $this->_pids_set, $pid_list );

// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$existed_meta = $wpdb->get_results( "SELECT * FROM `$wpdb->postmeta` WHERE post_id IN ('" . implode( "','", $pid_list ) . "') AND meta_key='" . self::DB_SET . "'" );
		$existed_pid  = [];
		if ( $existed_meta ) {
			foreach ( $existed_meta as $v ) {
				$existed_pid[] = $v->post_id;
			}
			self::debug( 'pid list to update postmeta', $existed_pid );
			// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery
			$wpdb->query(
				// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared -- $existed_pid is array of sanitized IDs
				$wpdb->prepare( "UPDATE `$wpdb->postmeta` SET meta_value=%s WHERE post_id IN (" . implode( ',', $existed_pid ) . ') AND meta_key=%s', [
					$this->_thumbnail_set,
					self::DB_SET,
				] )
			);
		}

// Add new meta
		$new_pids = $existed_pid ? array_diff( $pid_list, $existed_pid ) : $pid_list;
		if ( $new_pids ) {
			self::debug( 'pid list to update postmeta', $new_pids );
			foreach ( $new_pids as $v ) {
				self::debug( 'New group set info [pid] ' . $v );
				$q = "INSERT INTO `$wpdb->postmeta` (post_id, meta_key, meta_value) VALUES (%d, %s, %s)";
				// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
				$wpdb->query( $wpdb->prepare( $q, [ $v, self::DB_SET, $this->_thumbnail_set ] ) );
			}
		}
	}

/**
	 * Generate thumbnail sets of current image group
	 *
	 * @since 5.4
	 * @access private
	 */
	private function _gen_thumbnail_set() {
		if ( $this->_thumbnail_set ) {
			return;
		}
		$set = [];
		foreach ( Media::cls()->get_image_sizes() as $size ) {
			$curr_size = $size['width'] . 'x' . $size['height'];
			if ( in_array( $curr_size, $set, true ) ) {
				continue;
			}
			$set[] = $curr_size;
		}
		$this->_thumbnail_set = implode( PHP_EOL, $set );
	}

/**
	 * Filter duplicated src in work table and $this->_img_in_queue, then mark them as duplicated
	 *
	 * @since 2.0
	 * @access private
	 */
	private function _filter_duplicated_src() {
		global $wpdb;

$srcpath_list = [];

// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$list = $wpdb->get_results( "SELECT src FROM `$this->_table_img_optming`" );
		foreach ( $list as $v ) {
			$srcpath_list[] = $v->src;
		}

foreach ( $this->_img_in_queue as $k => $v ) {
			if ( in_array( $v['src'], $srcpath_list, true ) ) {
				unset( $this->_img_in_queue[ $k ] );
				continue;
			}

$srcpath_list[] = $v['src'];
		}
	}

/**
	 * Filter legacy finished ones
	 *
	 * @since 5.4
	 * @access private
	 */
	private function _filter_legacy_src() {
		global $wpdb;

if ( ! $this->__data->tb_exist( 'img_optm' ) ) {
			return;
		}

if ( ! $this->_img_in_queue ) {
			return;
		}

$finished_ids = [];

Utility::compatibility();
		$post_ids = array_unique( array_column( $this->_img_in_queue, 'pid' ) );
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$list = $wpdb->get_results( "SELECT post_id FROM `$this->_table_img_optm` WHERE post_id in (" . implode( ',', $post_ids ) . ') GROUP BY post_id' );
		foreach ( $list as $v ) {
			$finished_ids[] = $v->post_id;
		}

foreach ( $this->_img_in_queue as $k => $v ) {
			if ( in_array( $v['pid'], $finished_ids, true ) ) {
				self::debug( 'Legacy image optimized [pid] ' . $v['pid'] );
				unset( $this->_img_in_queue[ $k ] );
				continue;
			}
		}

// Drop all existing legacy records
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		$wpdb->query( "DELETE FROM `$this->_table_img_optm` WHERE post_id in (" . implode( ',', $post_ids ) . ')' );
	}

/**
	 * Filter the invalid src before sending
	 *
	 * @since 3.0.8.3
	 * @access private
	 */
	private function _filter_invalid_src() {
		$img_in_queue_invalid = [];
		foreach ( $this->_img_in_queue as $k => $v ) {
			if ( $v['src'] ) {
				$extension = pathinfo( $v['src'], PATHINFO_EXTENSION );
			}
			if ( ! $v['src'] || empty( $extension ) || ! in_array( $extension, [ 'jpg', 'jpeg', 'png', 'gif' ], true ) ) {
				$img_in_queue_invalid[] = $v['id'];
				unset( $this->_img_in_queue[ $k ] );
				continue;
			}
		}

if ( ! $img_in_queue_invalid ) {
			return;
		}

$count = count( $img_in_queue_invalid );
		$msg   = sprintf( __( 'Cleared %1$s invalid images.', 'litespeed-cache' ), $count );
		Admin_Display::success( $msg );

self::debug( 'Found invalid src [total] ' . $count );
	}

/**
	 * Push img request to Cloud server
	 *
	 * @since 1.6.7
	 * @access private
	 * @param int $allowance The allowance limit.
	 * @return array|void Array with pushed and accepted counts.
	 */
	private function _send_request( $allowance ) {
		global $wpdb;

$q = "SELECT id, src, post_id FROM `$this->_table_img_optming` WHERE optm_status=%d LIMIT %d";
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$q = $wpdb->prepare( $q, [ self::STATUS_RAW, $allowance ] );
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$_img_in_queue = $wpdb->get_results( $q );
		if ( ! $_img_in_queue ) {
			return;
		}

self::debug( 'Load img in queue [total] ' . count( $_img_in_queue ) );

$list = [];
		foreach ( $_img_in_queue as $v ) {
			$_img_info = $this->__media->info( $v->src, $v->post_id );
			// If record is invalid, remove from img_optming table
			if ( empty( $_img_info['url'] ) || empty( $_img_info['md5'] ) ) {
				// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
				$wpdb->query( $wpdb->prepare( "DELETE FROM `$this->_table_img_optming` WHERE id=%d", $v->id ) );
				continue;
			}

$img = [
				'id'  => $v->id,
				'url' => $_img_info['url'],
				'md5' => $_img_info['md5'],
			];
			// Build the needed image types for request as we now support soft reset counter
			if ( $this->_format ) {
				$target_file_path = $v->src . '.' . $this->_format;
				if ( $this->__media->info( $target_file_path, $v->post_id ) ) {
					$img[ 'optm_' . $this->_format ] = 0;
				}
			}
			if ( $this->conf( self::O_IMG_OPTM_ORI ) ) {
				$extension        = pathinfo( $v->src, PATHINFO_EXTENSION );
				$target_file_path = substr( $v->src, 0, -strlen( $extension ) ) . 'bk.' . $extension;
				if ( $this->__media->info( $target_file_path, $v->post_id ) ) {
					$img['optm_ori'] = 0;
				}
			}

$list[] = $img;
		}

if ( ! $list ) {
			$msg = __( 'No valid image found in the current request.', 'litespeed-cache' );
			Admin_Display::error( $msg );
			return;
		}

$data = [
			'action'        => self::CLOUD_ACTION_NEW_REQ,
			'list'          => wp_json_encode( $list ),
			'optm_ori'      => $this->conf( self::O_IMG_OPTM_ORI ) ? 1 : 0,
			'optm_lossless' => $this->conf( self::O_IMG_OPTM_LOSSLESS ) ? 1 : 0,
			'keep_exif'     => $this->conf( self::O_IMG_OPTM_EXIF ) ? 1 : 0,
		];
		if ( $this->_format ) {
			$data[ 'optm_' . $this->_format ] = 1;
		}

// Push to Cloud server
		$json = Cloud::post( Cloud::SVC_IMG_OPTM, $data );
		if ( ! $json ) {
			return;
		}

// Check data format
		if ( empty( $json['ids'] ) ) {
			self::debug( 'Failed to parse response data from Cloud server ', $json );
			$msg = __( 'No valid image found by Cloud server in the current request.', 'litespeed-cache' );
			Admin_Display::error( $msg );
			return;
		}

self::debug( 'Returned data from Cloud server count: ' . count( $json['ids'] ) );

$ids = implode( ',', array_map( 'intval', $json['ids'] ) );
		// Update img table
		$q = "UPDATE `$this->_table_img_optming` SET optm_status = '" . self::STATUS_REQUESTED . "' WHERE id IN ( $ids )";
		// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
		$wpdb->query( $q );

$this->_summary['last_requested'] = time();
		self::save_summary();

return [ count( $list ), count( $json['ids'] ) ];
	}

/**
	 * Parse wp's meta value
	 *
	 * @since 1.6.7
	 * @access private
	 * @param object $v The database row object.
	 * @return array|false The parsed meta value or false on failure.
	 */
	private function _parse_wp_meta_value( $v ) {
		if ( empty( $v ) ) {
			self::debug( 'bypassed parsing meta due to null value' );
			return false;
		}

if ( ! $v->meta_value ) {
			self::debug( 'bypassed parsing meta due to no meta_value: pid ' . $v->post_id );
			return false;
		}

// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged -- Suppress warnings from corrupted metadata
		$meta_value = @maybe_unserialize( $v->meta_value );
		if ( ! is_array( $meta_value ) ) {
			self::debug( 'bypassed parsing meta due to meta_value not json: pid ' . $v->post_id );
			return false;
		}

if ( empty( $meta_value['file'] ) ) {
			self::debug( 'bypassed parsing meta due to no ori file: pid ' . $v->post_id );
			return false;
		}

return $meta_value;
	}
}

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