/home/fortodpl/thecutediva.com/wp-content/plugins/litespeed-cache/src
Edit: /home/fortodpl/thecutediva.com/wp-content/plugins/litespeed-cache/src/media.cls.php (45122B)
.
*
* @var array
*/
private $_vpi_preload_list = [];
/**
* The user-level next-gen format supported (''|webp|avif).
*
* @var string
*/
private $_format = '';
/**
* The system-level chosen next-gen format (webp|avif).
*
* @var string
*/
private $_sys_format = '';
/**
* Init.
*
* @since 1.4
*/
public function __construct() {
self::debug2( 'init' );
$this->_wp_upload_dir = wp_upload_dir();
if ( $this->conf( Base::O_IMG_OPTM_WEBP ) ) {
$this->_sys_format = 'webp';
$this->_format = 'webp';
if ( 2 === $this->conf( Base::O_IMG_OPTM_WEBP ) ) {
$this->_sys_format = 'avif';
$this->_format = 'avif';
}
if ( ! $this->_browser_support_next_gen() ) {
$this->_format = '';
}
$this->_format = apply_filters( 'litespeed_next_gen_format', $this->_format );
}
}
/**
* Hooks after user init.
*
* @since 7.2
* @since 7.4 Add media replace original with scaled.
* @return void
*/
public function after_user_init() {
// Hook to attachment delete action (PR#844, Issue#841) for AJAX del compatibility.
add_action( 'delete_attachment', [ $this, 'delete_attachment' ], 11, 2 );
// For big images, allow to replace original with scaled image.
if ( $this->conf( Base::O_MEDIA_AUTO_RESCALE_ORI ) ) {
// Added priority 9 to happen before other functions added.
add_filter( 'wp_update_attachment_metadata', [ $this, 'rescale_ori' ], 9, 2 );
}
}
/**
* Init optm features.
*
* @since 3.0
* @access public
* @return void
*/
public function init() {
if ( is_admin() ) {
return;
}
// Due to ajax call doesn't send correct accept header, have to limit webp to HTML only.
if ( $this->webp_support() ) {
// Hook to srcset.
if ( function_exists( 'wp_calculate_image_srcset' ) ) {
add_filter( 'wp_calculate_image_srcset', [ $this, 'webp_srcset' ], 988 );
}
// Hook to mime icon
// add_filter( 'wp_get_attachment_image_src', [ $this, 'webp_attach_img_src' ], 988 );// todo: need to check why not
// add_filter( 'wp_get_attachment_url', [ $this, 'webp_url' ], 988 ); // disabled to avoid wp-admin display
}
if ( $this->conf( Base::O_MEDIA_LAZY ) && ! $this->cls( 'Metabox' )->setting( 'litespeed_no_image_lazy' ) ) {
self::debug( 'Suppress default WP lazyload' );
add_filter( 'wp_lazy_loading_enabled', '__return_false' );
}
/**
* Replace gravatar.
*
* @since 3.0
*/
$this->cls( 'Avatar' );
add_filter( 'litespeed_buffer_finalize', [ $this, 'finalize' ], 4 );
add_filter( 'litespeed_optm_html_head', [ $this, 'finalize_head' ] );
}
/**
* Handle attachment create (rescale original).
*
* @param array $metadata Current meta array.
* @param int $attachment_id Attachment ID.
* @return array Modified metadata.
* @since 7.4
*/
public function rescale_ori( $metadata, $attachment_id ) {
// Test if create and image was resized.
if ( $metadata && isset( $metadata['original_image'], $metadata['file'] ) && false !== strpos( $metadata['file'], '-scaled' ) ) {
// Get rescaled file name.
$path_exploded = explode( '/', strrev( $metadata['file'] ), 2 );
$rescaled_file_name = strrev( $path_exploded[0] );
// Create paths for images: resized and original.
$base_path = $this->_wp_upload_dir['basedir'] . $this->_wp_upload_dir['subdir'] . '/';
$rescaled_path = $base_path . $rescaled_file_name;
$new_path = $base_path . $metadata['original_image'];
// Change array file key.
$metadata['file'] = $this->_wp_upload_dir['subdir'] . '/' . $metadata['original_image'];
if ( 0 === strpos( $metadata['file'], '/' ) ) {
$metadata['file'] = substr( $metadata['file'], 1 );
}
// Delete array "original_image" key.
unset( $metadata['original_image'] );
if ( file_exists( $rescaled_path ) && file_exists( $new_path ) ) {
// Move rescaled to original using WP_Filesystem.
global $wp_filesystem;
if ( ! $wp_filesystem ) {
require_once ABSPATH . '/wp-admin/includes/file.php';
\WP_Filesystem();
}
if ( $wp_filesystem ) {
$wp_filesystem->move( $rescaled_path, $new_path, true );
}
// Update meta "_wp_attached_file".
update_post_meta( $attachment_id, '_wp_attached_file', $metadata['file'] );
}
}
return $metadata;
}
/**
* Route media actions.
*
* @since 7.7
* @return void
*/
public function handler() {
$type = Router::verify_type();
switch ( $type ) {
case self::TYPE_BATCH_RESCALE_ORI:
$this->_batch_rescale_ori();
break;
default:
break;
}
Admin::redirect();
}
/**
* Batch replace all scaled images with their originals.
*
* Follows the rm_bkup() pagination pattern.
*
* @since 7.7
* @access private
*/
private function _batch_rescale_ori() {
global $wpdb;
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$offset = ! empty( $_GET['litespeed_i'] ) ? absint( wp_unslash( $_GET['litespeed_i'] ) ) : 0;
$limit = 500;
$count = 0;
$img_q = "SELECT a.ID, b.meta_value
FROM `$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.post_mime_type IN ('image/jpeg', 'image/png', 'image/gif')
ORDER BY a.ID
LIMIT %d, %d
";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$list = $wpdb->get_results( $wpdb->prepare( $img_q, [ $offset * $limit, $limit ] ) );
foreach ( $list as $v ) {
if ( ! $v->ID || ! $v->meta_value ) {
continue;
}
// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
$meta_value = @maybe_unserialize( $v->meta_value );
if ( ! is_array( $meta_value ) ) {
continue;
}
if ( empty( $meta_value['original_image'] ) || empty( $meta_value['file'] ) || false === strpos( $meta_value['file'], '-scaled' ) ) {
continue;
}
$attachment_id = $v->ID;
// Extract subdirectory from metadata file path (e.g. "2024/05/photo-scaled.jpg" → "2024/05").
$subdir = pathinfo( $meta_value['file'], PATHINFO_DIRNAME );
// Build relative paths for rename().
$scaled_filename = basename( $meta_value['file'] );
$scaled_path = $subdir . '/' . $scaled_filename;
$original_path = $subdir . '/' . $meta_value['original_image'];
// Verify scaled file exists before proceeding
// TODO: need to ues isfile func to allow hook from offload plugins
$basedir = $this->_wp_upload_dir['basedir'] . '/';
if ( ! file_exists( $basedir . $scaled_path ) ) {
self::debug( 'Skipped: scaled file missing [pid] ' . $attachment_id );
continue;
}
// Move scaled file → original file using WP_Filesystem via rename().
$this->rename( $scaled_path, $original_path, $attachment_id );
// Update metadata: point file to original, remove original_image key.
$meta_value['file'] = $subdir . '/' . $meta_value['original_image'];
unset( $meta_value['original_image'] );
wp_update_attachment_metadata( $attachment_id, $meta_value );
update_post_meta( $attachment_id, '_wp_attached_file', $meta_value['file'] );
++$count;
}
self::debug( 'batch_rescale_ori offset=' . $offset . ' processed=' . $count );
// Check if there are more rows to process.
++$offset;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery, WordPress.DB.PreparedSQL.NotPrepared
$to_be_continued = $wpdb->get_row( $wpdb->prepare( $img_q, [ $offset * $limit, 1 ] ) );
if ( $to_be_continued ) {
return Router::self_redirect( Router::ACTION_MEDIA, self::TYPE_BATCH_RESCALE_ORI );
}
Admin_Display::success( sprintf( __( 'Batch rescale completed.', 'litespeed-cache' ) ) );
}
/**
* Add featured image and VPI preloads to head.
*
* @param string $content Current head HTML.
* @return string Modified head HTML.
*/
public function finalize_head( $content ) {
//
if ( $this->_vpi_preload_list ) {
foreach ( $this->_vpi_preload_list as $v ) {
$content .= '
';
}
}
return $content;
}
/**
* Adjust WP default JPG quality.
*
* @since 3.0
* @access public
*
* @param int $quality Current quality.
* @return int Adjusted quality.
*/
public function adjust_jpg_quality( $quality ) {
$v = $this->conf( Base::O_IMG_OPTM_JPG_QUALITY );
if ( $v ) {
return $v;
}
return $quality;
}
/**
* Register admin menu.
*
* @since 1.6.3
* @access public
* @return void
*/
public function after_admin_init() {
/**
* JPG quality control.
*
* @since 3.0
*/
add_filter( 'jpeg_quality', [ $this, 'adjust_jpg_quality' ] );
add_filter( 'manage_media_columns', [ $this, 'media_row_title' ] );
add_filter( 'manage_media_custom_column', [ $this, 'media_row_actions' ], 10, 2 );
add_action( 'litespeed_media_row', [ $this, 'media_row_con' ] );
}
/**
* Media delete action hook.
*
* @since 2.4.3
* @access public
*
* @param int $post_id Post ID.
* @return void
*/
public static function delete_attachment( $post_id ) {
self::debug( 'delete_attachment [pid] ' . $post_id );
Img_Optm::cls()->reset_row( $post_id );
}
/**
* Return media file info if exists.
*
* This is for remote attachment plugins.
*
* @since 2.9.8
* @access public
*
* @param string $short_file_path Relative file path under uploads.
* @param int $post_id Post ID.
* @return array|false Array( url, md5, size ) or false.
*/
public function info( $short_file_path, $post_id ) {
$short_file_path = wp_normalize_path( $short_file_path );
$basedir = $this->_wp_upload_dir['basedir'] . '/';
if ( 0 === strpos( $short_file_path, $basedir ) ) {
$short_file_path = substr( $short_file_path, strlen( $basedir ) );
}
$real_file = $basedir . $short_file_path;
if ( file_exists( $real_file ) ) {
return [
'url' => $this->_wp_upload_dir['baseurl'] . '/' . $short_file_path,
'md5' => md5_file( $real_file ),
'size' => filesize( $real_file ),
];
}
/**
* WP Stateless compatibility #143 https://github.com/litespeedtech/lscache_wp/issues/143
*
* @since 2.9.8
* Should return array( 'url', 'md5', 'size' ).
*/
$info = apply_filters( 'litespeed_media_info', [], $short_file_path, $post_id );
if ( ! empty( $info['url'] ) && ! empty( $info['md5'] ) && ! empty( $info['size'] ) ) {
return $info;
}
return false;
}
/**
* Delete media file.
*
* @since 2.9.8
* @access public
*
* @param string $short_file_path Relative file path under uploads.
* @param int $post_id Post ID.
* @return void
*/
public function del( $short_file_path, $post_id ) {
$real_file = $this->_wp_upload_dir['basedir'] . '/' . $short_file_path;
if ( file_exists( $real_file ) ) {
wp_delete_file( $real_file );
self::debug( 'deleted ' . $real_file );
}
do_action( 'litespeed_media_del', $short_file_path, $post_id );
}
/**
* Rename media file.
*
* @since 2.9.8
* @access public
*
* @param string $short_file_path Old relative path.
* @param string $short_file_path_new New relative path.
* @param int $post_id Post ID.
* @return void
*/
public function rename( $short_file_path, $short_file_path_new, $post_id ) {
$real_file = $this->_wp_upload_dir['basedir'] . '/' . $short_file_path;
$real_file_new = $this->_wp_upload_dir['basedir'] . '/' . $short_file_path_new;
if ( file_exists( $real_file ) ) {
global $wp_filesystem;
if ( ! $wp_filesystem ) {
require_once ABSPATH . '/wp-admin/includes/file.php';
\WP_Filesystem();
}
if ( $wp_filesystem ) {
$wp_filesystem->move( $real_file, $real_file_new, true );
}
self::debug( 'renamed ' . $real_file . ' to ' . $real_file_new );
}
do_action( 'litespeed_media_rename', $short_file_path, $short_file_path_new, $post_id );
}
/**
* Media Admin Menu -> Image Optimization Column Title.
*
* @since 1.6.3
* @access public
*
* @param array $posts_columns Existing columns.
* @return array Modified columns.
*/
public function media_row_title( $posts_columns ) {
$posts_columns['imgoptm'] = esc_html__( 'LiteSpeed Optimization', 'litespeed-cache' );
return $posts_columns;
}
/**
* Media Admin Menu -> Image Optimization Column.
*
* @since 1.6.2
* @access public
*
* @param string $column_name Current column name.
* @param int $post_id Post ID.
* @return void
*/
public function media_row_actions( $column_name, $post_id ) {
if ( 'imgoptm' !== $column_name ) {
return;
}
do_action( 'litespeed_media_row', $post_id );
}
/**
* Display image optimization info in the media list row.
*
* @since 3.0
*
* @param int $post_id Attachment post ID.
* @return void
*/
public function media_row_con( $post_id ) {
$att_info = wp_get_attachment_metadata( $post_id );
if ( empty( $att_info['file'] ) ) {
return;
}
$short_path = $att_info['file'];
$size_meta = get_post_meta( $post_id, Img_Optm::DB_SIZE, true );
echo '
';
// Original image info.
if ( $size_meta && ! empty( $size_meta['ori_saved'] ) ) {
$percent = (int) ceil( ( (int) $size_meta['ori_saved'] * 100 ) / max( 1, (int) $size_meta['ori_total'] ) );
$extension = pathinfo( $short_path, PATHINFO_EXTENSION );
$bk_file = substr( $short_path, 0, -strlen( $extension ) ) . 'bk.' . $extension;
$bk_optm_file = substr( $short_path, 0, -strlen( $extension ) ) . 'bk.optm.' . $extension;
$link = Utility::build_url( Router::ACTION_IMG_OPTM, 'orig' . $post_id );
$desc = false;
$cls = '';
if ( $this->info( $bk_file, $post_id ) ) {
$curr_status = esc_html__( '(optm)', 'litespeed-cache' );
$desc = esc_attr__( 'Currently using optimized version of file.', 'litespeed-cache' ) . '
' . esc_attr__( 'Click to switch to original (unoptimized) version.', 'litespeed-cache' );
} elseif ( $this->info( $bk_optm_file, $post_id ) ) {
$cls .= ' litespeed-warning';
$curr_status = esc_html__( '(non-optm)', 'litespeed-cache' );
$desc = esc_attr__( 'Currently using original (unoptimized) version of file.', 'litespeed-cache' ) . '
' . esc_attr__( 'Click to switch to optimized version.', 'litespeed-cache' );
}
echo wp_kses(
GUI::pie_tiny(
$percent,
24,
sprintf(
esc_html__( 'Original file reduced by %1$s (%2$s)', 'litespeed-cache' ),
$percent . '%',
Utility::real_size( $size_meta['ori_saved'] )
),
'left'
),
GUI::allowed_svg_tags()
);
printf(
esc_html__( 'Orig saved %s', 'litespeed-cache' ),
(int) $percent . '%'
);
if ( $desc ) {
printf(
' %4$s',
esc_url( $link ),
esc_attr( $cls ),
wp_kses_post( $desc ),
esc_html( $curr_status )
);
} else {
printf(
' %2$s',
esc_attr__( 'Using optimized version of file. ', 'litespeed-cache' ) . '
' . esc_attr__( 'No backup of original file exists.', 'litespeed-cache' ),
esc_html__( '(optm)', 'litespeed-cache' )
);
}
} elseif ( $size_meta && 0 === (int) $size_meta['ori_saved'] ) {
echo wp_kses( GUI::pie_tiny( 0, 24, esc_html__( 'Congratulation! Your file was already optimized', 'litespeed-cache' ), 'left' ), GUI::allowed_svg_tags() );
printf(
esc_html__( 'Orig %s', 'litespeed-cache' ),
'' . esc_html__( '(no savings)', 'litespeed-cache' ) . ''
);
} else {
echo esc_html__( 'Orig', 'litespeed-cache' ) . '—';
}
echo '
';
echo '
';
// WebP/AVIF info.
if ( $size_meta && $this->webp_support( true ) && ! empty( $size_meta[ $this->_sys_format . '_saved' ] ) ) {
$is_avif = 'avif' === $this->_sys_format;
$size_meta_saved = $size_meta[ $this->_sys_format . '_saved' ];
$size_meta_total = $size_meta[ $this->_sys_format . '_total' ];
$percent = ceil( ( $size_meta_saved * 100 ) / max( 1, $size_meta_total ) );
$link = Utility::build_url( Router::ACTION_IMG_OPTM, $this->_sys_format . $post_id );
$desc = false;
$cls = '';
if ( $this->info( $short_path . '.' . $this->_sys_format, $post_id ) ) {
$curr_status = esc_html__( '(optm)', 'litespeed-cache' );
$desc = $is_avif
? esc_attr__( 'Currently using optimized version of AVIF file.', 'litespeed-cache' )
: esc_attr__( 'Currently using optimized version of WebP file.', 'litespeed-cache' );
$desc .= '
' . esc_attr__( 'Click to switch to original (unoptimized) version.', 'litespeed-cache' );
} elseif ( $this->info( $short_path . '.optm.' . $this->_sys_format, $post_id ) ) {
$cls .= ' litespeed-warning';
$curr_status = esc_html__( '(non-optm)', 'litespeed-cache' );
$desc = $is_avif
? esc_attr__( 'Currently using original (unoptimized) version of AVIF file.', 'litespeed-cache' )
: esc_attr__( 'Currently using original (unoptimized) version of WebP file.', 'litespeed-cache' );
$desc .= '
' . esc_attr__( 'Click to switch to optimized version.', 'litespeed-cache' );
}
echo wp_kses(
GUI::pie_tiny(
$percent,
24,
sprintf(
$is_avif ? esc_html__( 'AVIF file reduced by %1$s (%2$s)', 'litespeed-cache' ) : esc_html__( 'WebP file reduced by %1$s (%2$s)', 'litespeed-cache' ),
$percent . '%',
Utility::real_size( $size_meta_saved )
),
'left'
),
GUI::allowed_svg_tags()
);
printf(
$is_avif ? esc_html__( 'AVIF saved %s', 'litespeed-cache' ) : esc_html__( 'WebP saved %s', 'litespeed-cache' ),
'' . esc_html( $percent ) . '%'
);
if ( $desc ) {
printf(
' %4$s',
esc_url( $link ),
esc_attr( $cls ),
wp_kses_post( $desc ),
esc_html( $curr_status )
);
} else {
printf(
' %3$s',
esc_attr__( 'Using optimized version of file. ', 'litespeed-cache' ),
$is_avif ? esc_attr__( 'No backup of unoptimized AVIF file exists.', 'litespeed-cache' ) : esc_attr__( 'No backup of unoptimized WebP file exists.', 'litespeed-cache' ),
esc_html__( '(optm)', 'litespeed-cache' )
);
}
} else {
echo esc_html( $this->next_gen_image_title() ) . '—';
}
echo '
';
// Delete row btn.
if ( $size_meta ) {
printf(
'
',
esc_url( Utility::build_url( Router::ACTION_IMG_OPTM, Img_Optm::TYPE_RESET_ROW, false, null, [ 'id' => $post_id ] ) ),
esc_html__( 'Restore from backup', 'litespeed-cache' )
);
echo '
';
}
}
/**
* Get wp size info.
*
* NOTE: this is not used because it has to be after admin_init.
*
* @since 1.6.2
* @return array $sizes Data for all currently-registered image sizes.
*/
public function get_image_sizes() {
global $_wp_additional_image_sizes;
$sizes = [];
foreach ( get_intermediate_image_sizes() as $_size ) {
if ( in_array( $_size, [ 'thumbnail', 'medium', 'medium_large', 'large' ], true ) ) {
$sizes[ $_size ]['width'] = get_option( $_size . '_size_w' );
$sizes[ $_size ]['height'] = get_option( $_size . '_size_h' );
$sizes[ $_size ]['crop'] = (bool) get_option( $_size . '_crop' );
} elseif ( isset( $_wp_additional_image_sizes[ $_size ] ) ) {
$sizes[ $_size ] = [
'width' => $_wp_additional_image_sizes[ $_size ]['width'],
'height' => $_wp_additional_image_sizes[ $_size ]['height'],
'crop' => $_wp_additional_image_sizes[ $_size ]['crop'],
];
}
}
return $sizes;
}
/**
* Exclude role from optimization filter.
*
* @since 1.6.2
* @access public
*
* @param bool $sys_level Return system-level format if true.
* @return string Next-gen format name or empty string.
*/
public function webp_support( $sys_level = false ) {
if ( $sys_level ) {
return $this->_sys_format;
}
return $this->_format; // User level next gen support.
}
/**
* Detect if browser supports next-gen format.
*
* @return bool
*/
private function _browser_support_next_gen() {
$accept = isset( $_SERVER['HTTP_ACCEPT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_ACCEPT'] ) ) : '';
if ( $accept ) {
if ( false !== strpos( $accept, 'image/' . $this->_sys_format ) ) {
return true;
}
}
$ua = isset( $_SERVER['HTTP_USER_AGENT'] ) ? sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) : '';
if ( $ua ) {
$user_agents = [ 'chrome-lighthouse', 'googlebot', 'page speed' ];
foreach ( $user_agents as $user_agent ) {
if ( false !== stripos( $ua, $user_agent ) ) {
return true;
}
}
if ( preg_match( '/iPhone OS (\d+)_/i', $ua, $matches ) ) {
if ( $matches[1] >= 14 ) {
return true;
}
}
if ( preg_match( '/Macintosh.+Version\/([0-9.]+)/i', $ua, $matches ) ) {
if ( version_compare( $matches[1], '16.4', '>=' ) ) {
return true;
}
}
if ( preg_match( '/Firefox\/(\d+)/i', $ua, $matches ) ) {
if ( $matches[1] >= 65 ) {
return true;
}
}
}
return false;
}
/**
* Get next gen image title.
*
* @since 7.0
* @return string
*/
public function next_gen_image_title() {
$next_gen_img = 'WebP';
if ( 2 === $this->conf( Base::O_IMG_OPTM_WEBP ) ) {
$next_gen_img = 'AVIF';
}
return $next_gen_img;
}
/**
* Run lazy load process.
* NOTE: As this is after cache finalized, can NOT set any cache control anymore.
*
* Only do for main page. Do NOT do for esi or dynamic content.
*
* @since 1.4
* @access public
*
* @param string $content Final buffer.
* @return string The buffer.
*/
public function finalize( $content ) {
if ( defined( 'LITESPEED_NO_LAZY' ) ) {
self::debug2( 'bypass: NO_LAZY const' );
return $content;
}
if ( ! defined( 'LITESPEED_IS_HTML' ) ) {
self::debug2( 'bypass: Not frontend HTML type' );
return $content;
}
if ( ! Control::is_cacheable() ) {
self::debug( 'bypass: Not cacheable' );
return $content;
}
self::debug( 'finalize' );
$this->content = $content;
$this->_finalize();
return $this->content;
}
/**
* Run lazyload replacement for images in buffer.
*
* @since 1.4
* @access private
* @return void
*/
private function _finalize() {
/**
* Use webp for optimized images.
*
* @since 1.6.2
*/
if ( $this->webp_support() ) {
$this->content = $this->_replace_buffer_img_webp( $this->content );
}
/**
* Check if URI is excluded.
*
* @since 3.0
*/
$excludes = $this->conf( Base::O_MEDIA_LAZY_URI_EXC );
if ( ! defined( 'LITESPEED_GUEST_OPTM' ) ) {
$request_uri = isset( $_SERVER['REQUEST_URI'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
$result = $request_uri ? Utility::str_hit_array( $request_uri, $excludes ) : false;
if ( $result ) {
self::debug( 'bypass lazyload: hit URI Excludes setting: ' . $result );
return;
}
}
$cfg_lazy = ( defined( 'LITESPEED_GUEST_OPTM' ) || $this->conf( Base::O_MEDIA_LAZY ) ) && ! $this->cls( 'Metabox' )->setting( 'litespeed_no_image_lazy' );
$cfg_iframe_lazy = defined( 'LITESPEED_GUEST_OPTM' ) || $this->conf( Base::O_MEDIA_IFRAME_LAZY );
$cfg_js_delay = defined( 'LITESPEED_GUEST_OPTM' ) || 2 === $this->conf( Base::O_OPTM_JS_DEFER );
$cfg_trim_noscript = defined( 'LITESPEED_GUEST_OPTM' ) || $this->conf( Base::O_OPTM_NOSCRIPT_RM );
$cfg_vpi = defined( 'LITESPEED_GUEST_OPTM' ) || $this->conf( Base::O_MEDIA_VPI );
// Preload VPI.
if ( $cfg_vpi ) {
$this->_parse_img_for_preload();
}
if ( $cfg_lazy ) {
if ( $cfg_vpi ) {
add_filter( 'litespeed_media_lazy_img_excludes', [ $this->cls( 'Metabox' ), 'lazy_img_excludes' ] );
}
list( $src_list, $html_list, $placeholder_list ) = $this->_parse_img();
$html_list_ori = $html_list;
} else {
self::debug( 'lazyload disabled' );
}
// image lazy load.
if ( $cfg_lazy ) {
$__placeholder = Placeholder::cls();
foreach ( $html_list as $k => $v ) {
$size = $placeholder_list[ $k ];
$src = $src_list[ $k ];
$html_list[ $k ] = $__placeholder->replace( $v, $src, $size );
}
}
if ( $cfg_lazy ) {
$this->content = str_replace( $html_list_ori, $html_list, $this->content );
}
// iframe lazy load.
if ( $cfg_iframe_lazy ) {
$html_list = $this->_parse_iframe();
$html_list_ori = $html_list;
foreach ( $html_list as $k => $v ) {
$snippet = $cfg_trim_noscript ? '' : '