/home/arranoyd/public_html/wp-content/plugins/litespeed-cache/src/media.cls.php
<?php
/**
* The class to operate media data.
*
* @since 1.4
* @since 1.5 Moved into /inc
* @package Core
* @subpackage Core/inc
* @author LiteSpeed Technologies <info@litespeedtech.com>
*/
namespace LiteSpeed ;
defined( 'WPINC' ) || exit ;
class Media extends Instance
{
protected static $_instance ;
const LIB_FILE_IMG_LAZYLOAD = 'assets/js/lazyload.min.js' ;
private $content ;
private $_wp_upload_dir ;
/**
* Init
*
* @since 1.4
* @access protected
*/
protected function __construct()
{
Debug2::debug2( '[Media] init' );
$this->_wp_upload_dir = wp_upload_dir();
// This always needs to load w/ WP
add_action( 'litspeed_after_admin_init', array( $this, 'after_admin_init' ) );
}
/**
* Init optm features
*
* @since 3.0
* @access public
*/
public function init()
{
if ( $this->can_media() ) {
// Due to ajax call doesn't send correct accept header, have to limit webp to HTML only
if ( Conf::val( Base::O_IMG_OPTM_WEBP_REPLACE ) ) {
/**
* Add vary filter
* @since 1.6.2
*/
// Moved to htaccess
// add_filter( 'litespeed_vary', array( $this, 'vary_add' ) ) ;
//
if ( $this->webp_support() ) {
// Hook to srcset
if ( function_exists( 'wp_calculate_image_srcset' ) ) {
add_filter( 'wp_calculate_image_srcset', array( $this, 'webp_srcset' ), 988 ) ;
}
// Hook to mime icon
// add_filter( 'wp_get_attachment_image_src', array( $this, 'webp_attach_img_src' ), 988 ) ;// todo: need to check why not
// add_filter( 'wp_get_attachment_url', array( $this, 'webp_url' ), 988 ) ; // disabled to avoid wp-admin display
}
}
/**
* Replace gravatar
* @since 3.0
*/
Avatar::get_instance() ;
}
/**
* JPG quality control
* @since 3.0
*/
add_filter( 'jpeg_quality', array( $this, 'adjust_jpg_quality' ) ) ;
}
/**
* Adjust WP default JPG quality
*
* @since 3.0
* @access public
*/
public function adjust_jpg_quality( $quality )
{
$v = Conf::val( Base::O_IMG_OPTM_JPG_QUALITY ) ;
if ( $v ) {
return $v ;
}
return $quality ;
}
/**
* Check if it can use Media frontend
*
* @since 1.6.2
* @access private
*/
private function can_media()
{
if ( is_admin() ) {
return false ;
}
return true ;
}
/**
* Register admin menu
*
* @since 1.6.3
* @access public
*/
public function after_admin_init()
{
add_filter( 'manage_media_columns', array( $this, 'media_row_title' ) ) ;
add_filter( 'manage_media_custom_column', array( $this, 'media_row_actions' ), 10, 2 ) ;
add_action( 'litespeed_media_row', array( $this, 'media_row_con' ) ) ;
// Hook to attachment delete action
add_action( 'delete_attachment', array( $this, 'delete_attachment' ) ) ;
}
/**
* Media delete action hook
*
* @since 2.4.3
* @access public
*/
public function delete_attachment( $post_id )
{
Debug2::debug( '[Media] delete_attachment [pid] ' . $post_id ) ;
Img_Optm::get_instance()->reset_row( $post_id ) ;
}
/**
* Return media file info if exists
*
* This is for remote attachment plugins
*
* @since 2.9.8
* @access public
*/
public function info( $short_file_path, $post_id )
{
$real_file = $this->_wp_upload_dir[ 'basedir' ] . '/' . $short_file_path ;
if ( file_exists( $real_file ) ) {
return array(
'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
* @return array( 'url', 'md5', 'size' )
*/
$info = apply_filters( 'litespeed_media_info', array(), $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
*/
public function del( $short_file_path, $post_id )
{
$real_file = $this->_wp_upload_dir[ 'basedir' ] . '/' . $short_file_path ;
if ( file_exists( $real_file ) ) {
unlink( $real_file ) ;
Debug2::debug( '[Media] deleted ' . $real_file ) ;
}
do_action( 'litespeed_media_del', $short_file_path, $post_id ) ;
}
/**
* Rename media file
*
* @since 2.9.8
* @access public
*/
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 ) ) {
rename( $real_file, $real_file_new ) ;
Debug2::debug( '[Media] 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
*/
public function media_row_title( $posts_columns )
{
$posts_columns[ 'imgoptm' ] = __( 'LiteSpeed Optimization', 'litespeed-cache' ) ;
return $posts_columns ;
}
/**
* Media Admin Menu -> Image Optimization Column
*
* @since 1.6.2
* @access public
*/
public function media_row_actions( $column_name, $post_id )
{
if ( $column_name !== 'imgoptm' ) {
return;
}
do_action( 'litespeed_media_row', $post_id );
}
/**
* Display image optm info
*
* @since 3.0
*/
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 '<p>';
// Original image info
if ( $size_meta && ! empty ( $size_meta[ 'ori_saved' ] ) ) {
$percent = ceil( $size_meta[ 'ori_saved' ] * 100 / $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 = __( '(optm)', 'litespeed-cache' ) ;
$desc = __( 'Currently using optimized version of file.', 'litespeed-cache' ) . ' ' . __( 'Click to switch to original (unoptimized) version.', 'litespeed-cache' ) ;
}
elseif ( $this->info( $bk_optm_file, $post_id ) ) {
$cls .= ' litespeed-warning' ;
$curr_status = __( '(non-optm)', 'litespeed-cache' ) ;
$desc = __( 'Currently using original (unoptimized) version of file.', 'litespeed-cache' ) . ' ' . __( 'Click to switch to optimized version.', 'litespeed-cache' ) ;
}
echo GUI::pie_tiny( $percent, 24,
sprintf( __( 'Original file reduced by %1$s (%2$s)', 'litespeed-cache' ),
$percent . '%',
Utility::real_size( $size_meta[ 'ori_saved' ] )
) , 'left'
) ;
echo sprintf( __( 'Orig saved %s', 'litespeed-cache' ), $percent . '%' ) ;
if ( $desc ) {
echo sprintf( ' <a href="%1$s" class="litespeed-media-href %2$s" data-balloon-pos="left" data-balloon-break aria-label="%3$s">%4$s</a>', $link, $cls, $desc, $curr_status ) ;
}
else {
echo sprintf(
' <span class="litespeed-desc" data-balloon-pos="left" data-balloon-break aria-label="%1$s">%2$s</span>',
__( 'Using optimized version of file. ', 'litespeed-cache' ) . ' ' . __( 'No backup of original file exists.', 'litespeed-cache' ),
__( '(optm)', 'litespeed-cache' )
) ;
}
}
elseif ( $size_meta && $size_meta[ 'ori_saved' ] === 0 ){
echo GUI::pie_tiny( 0, 24,
__( 'Congratulation! Your file was already optmized', 'litespeed-cache' ),
'left'
) ;
echo sprintf( __( 'Orig %s', 'litespeed-cache' ), '<span class="litespeed-desc">' . __( '(no savings)', 'litespeed-cache' ) . '</span>' ) ;
}
else {
echo __( 'Orig', 'litespeed-cache' ) . '<span class="litespeed-left10">—</span>';
}
echo '</p>';
echo '<p>';
// WebP info
if ( $size_meta && ! empty ( $size_meta[ 'webp_saved' ] ) ) {
$percent = ceil( $size_meta[ 'webp_saved' ] * 100 / $size_meta[ 'webp_total' ] ) ;
$link = Utility::build_url( Router::ACTION_IMG_OPTM, 'webp' . $post_id ) ;
$desc = false ;
$cls = '' ;
if ( $this->info( $short_path . '.webp', $post_id ) ) {
$curr_status = __( '(optm)', 'litespeed-cache' ) ;
$desc = __( 'Currently using optimized version of WebP file.', 'litespeed-cache' ) . ' ' . __( 'Click to switch to original (unoptimized) version.', 'litespeed-cache' ) ;
}
elseif ( $this->info( $short_path . '.optm.webp', $post_id ) ) {
$cls .= ' litespeed-warning' ;
$curr_status = __( '(non-optm)', 'litespeed-cache' ) ;
$desc = __( 'Currently using original (unoptimized) version of WebP file.', 'litespeed-cache' ) . ' ' . __( 'Click to switch to optimized version.', 'litespeed-cache' ) ;
}
echo GUI::pie_tiny( $percent, 24,
sprintf( __( 'WebP file reduced by %1$s (%2$s)', 'litespeed-cache' ),
$percent . '%',
Utility::real_size( $size_meta[ 'webp_saved' ] )
) , 'left'
) ;
echo sprintf( __( 'WebP saved %s', 'litespeed-cache' ), $percent . '%' ) ;
if ( $desc ) {
echo sprintf( ' <a href="%1$s" class="litespeed-media-href %2$s" data-balloon-pos="left" data-balloon-break aria-label="%3$s">%4$s</a>', $link, $cls, $desc, $curr_status ) ;
}
else {
echo sprintf(
' <span class="litespeed-desc" data-balloon-pos="left" data-balloon-break aria-label="%1$s">%2$s</span>',
__( 'Using optimized version of file. ', 'litespeed-cache' ) . ' ' . __( 'No backup of unoptimized WebP file exists.', 'litespeed-cache' ),
__( '(optm)', 'litespeed-cache' )
) ;
}
} else {
echo __( 'WebP', 'litespeed-cache' ) . '<span class="litespeed-left10">—</span>';
}
echo '</p>';
// Delete row btn
if ( $size_meta ) {
echo sprintf( '<div class="row-actions"><span class="delete"><a href="%1$s" class="">%2$s</a></span></div>',
Utility::build_url( Router::ACTION_IMG_OPTM, Img_Optm::TYPE_RESET_ROW, false, null, array( 'id' => $post_id ) ),
__( 'Restore from backup', 'litespeed-cache' )
) ;
echo '</div>' ;
}
}
/**
* Get wp size info
*
* NOTE: this is not used because it has to be after admin_init
*
* @since 1.6.2
* @access private
* @return array $sizes Data for all currently-registered image sizes.
*/
private function get_image_sizes() {
global $_wp_additional_image_sizes ;
$sizes = array();
foreach ( get_intermediate_image_sizes() as $_size ) {
if ( in_array( $_size, array( 'thumbnail', 'medium', 'medium_large', 'large' ) ) ) {
$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 ] = array(
'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
*/
private function webp_support()
{
if ( ! empty( $_SERVER[ 'HTTP_ACCEPT' ] ) && strpos( $_SERVER[ 'HTTP_ACCEPT' ], 'image/webp' ) !== false ) {
return true ;
}
if ( ! empty( $_SERVER[ 'HTTP_USER_AGENT' ] ) && strpos( $_SERVER[ 'HTTP_USER_AGENT' ], 'Page Speed' ) !== false ) {
return true ;
}
return false ;
}
/**
* 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
* @return string The buffer
*/
public static function finalize( $content )
{
if ( defined( 'LITESPEED_NO_LAZY' ) ) {
Debug2::debug2( '[Media] bypass: NO_LAZY const' ) ;
return $content ;
}
if ( ! defined( 'LITESPEED_IS_HTML' ) ) {
Debug2::debug2( '[Media] bypass: Not frontend HTML type' ) ;
return $content ;
}
Debug2::debug( '[Media] finalize' ) ;
$instance = self::get_instance() ;
$instance->content = $content ;
$instance->_finalize() ;
return $instance->content ;
}
/**
* Run lazyload replacement for images in buffer
*
* @since 1.4
* @access private
*/
private function _finalize()
{
/**
* Use webp for optimized images
* @since 1.6.2
*/
if ( Conf::val( Base::O_IMG_OPTM_WEBP_REPLACE ) && $this->webp_support() ) {
$this->_replace_buffer_img_webp() ;
}
/**
* Check if URI is excluded
* @since 3.0
*/
$excludes = Conf::val( Base::O_MEDIA_LAZY_URI_EXC ) ;
if ( $excludes ) {
$result = Utility::str_hit_array( $_SERVER[ 'REQUEST_URI' ], $excludes ) ;
if ( $result ) {
Debug2::debug( '[Media] bypass lazyload: hit URI Excludes setting: ' . $result ) ;
return ;
}
}
$cfg_lazy = Conf::val( Base::O_MEDIA_LAZY ) ;
$cfg_iframe_lazy = Conf::val( Base::O_MEDIA_IFRAME_LAZY ) ;
if ( $cfg_lazy ) {
list( $src_list, $html_list, $placeholder_list ) = $this->_parse_img() ;
$html_list_ori = $html_list ;
}
// image lazy load
if ( $cfg_lazy ) {
$__placeholder = Placeholder::get_instance() ;
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 = '<noscript>' . $v . '</noscript>' ;
$v = str_replace( ' src=', ' data-src=', $v ) ;
$v = str_replace( '<iframe ', '<iframe data-lazyloaded="1" src="about:blank" ', $v ) ;
$snippet = $v . $snippet ;
$html_list[ $k ] = $snippet ;
}
$this->content = str_replace( $html_list_ori, $html_list, $this->content ) ;
}
// Include lazyload lib js and init lazyload
if ( $cfg_lazy || $cfg_iframe_lazy ) {
if ( Conf::val( Base::O_MEDIA_LAZYJS_INLINE ) ) {
$lazy_lib = '<script>' . File::read( LSCWP_DIR . self::LIB_FILE_IMG_LAZYLOAD ) . '</script>' ;
} else {
$lazy_lib_url = LSWCP_PLUGIN_URL . self::LIB_FILE_IMG_LAZYLOAD ;
$lazy_lib = '<script src="' . $lazy_lib_url . '"></script>' ;
}
$this->content = str_replace( '</body>', $lazy_lib . '</body>', $this->content ) ;
}
}
/**
* Parse img src
*
* @since 1.4
* @access private
* @return array All the src & related raw html list
*/
private function _parse_img()
{
/**
* Exclude list
* @since 1.5
* @since 2.7.1 Changed to array
*/
$excludes = apply_filters( 'litespeed_media_lazy_img_excludes', Conf::val( Base::O_MEDIA_LAZY_EXC ) ) ;
$cls_excludes = apply_filters( 'litespeed_media_lazy_img_cls_excludes', Conf::val( Base::O_MEDIA_LAZY_CLS_EXC ) ) ;
$cls_excludes[] = 'skip-lazy'; // https://core.trac.wordpress.org/ticket/44427
$src_list = array() ;
$html_list = array() ;
$placeholder_list = array() ;
$content = preg_replace( '#<!--.*-->#sU', '', $this->content ) ;
/**
* Exclude parent classes
* @since 3.0
*/
$parent_cls_exc = apply_filters( 'litespeed_media_lazy_img_parent_cls_excludes', Conf::val( Base::O_MEDIA_LAZY_PARENT_CLS_EXC ) ) ;
if ( $parent_cls_exc ) {
Debug2::debug2( '[Media] Lazyload Class excludes', $parent_cls_exc ) ;
foreach ( $parent_cls_exc as $v ) {
$content = preg_replace( '#<(\w+) [^>]*class=(\'|")[^\'"]*' . preg_quote( $v, '#' ) . '[^\'"]*\2[^>]*>.*</\1>#sU', '', $content ) ;
}
}
preg_match_all( '#<img \s*([^>]+)/?>#isU', $content, $matches, PREG_SET_ORDER ) ;
foreach ( $matches as $match ) {
$attrs = Utility::parse_attr( $match[ 1 ] ) ;
if ( empty( $attrs[ 'src' ] ) ) {
continue ;
}
/**
* Add src validation to bypass base64 img src
* @since 1.6
*/
if ( strpos( $attrs[ 'src' ], 'base64' ) !== false || substr( $attrs[ 'src' ], 0, 5 ) === 'data:' ) {
Debug2::debug2( '[Media] lazyload bypassed base64 img' ) ;
continue ;
}
Debug2::debug2( '[Media] lazyload found: ' . $attrs[ 'src' ] ) ;
if ( ! empty( $attrs[ 'data-no-lazy' ] ) || ! empty( $attrs[ 'data-skip-lazy' ] ) || ! empty( $attrs[ 'data-lazyloaded' ] ) || ! empty( $attrs[ 'data-src' ] ) || ! empty( $attrs[ 'data-srcset' ] ) ) {
Debug2::debug2( '[Media] bypassed' ) ;
continue ;
}
if ( ! empty( $attrs[ 'class' ] ) && $hit = Utility::str_hit_array( $attrs[ 'class' ], $cls_excludes ) ) {
Debug2::debug2( '[Media] lazyload image cls excludes [hit] ' . $hit ) ;
continue ;
}
/**
* Exclude from lazyload by setting
* @since 1.5
*/
if ( $excludes && Utility::str_hit_array( $attrs[ 'src' ], $excludes ) ) {
Debug2::debug2( '[Media] lazyload image exclude ' . $attrs[ 'src' ] ) ;
continue ;
}
/**
* Excldues invalid image src from buddypress avatar crop
* @see https://wordpress.org/support/topic/lazy-load-breaking-buddypress-upload-avatar-feature
* @since 3.0
*/
if ( strpos( $attrs[ 'src' ], '{' ) !== false ) {
Debug2::debug2( '[Media] image src has {} ' . $attrs[ 'src' ] ) ;
continue ;
}
// to avoid multiple replacement
if ( in_array( $match[ 0 ], $html_list ) ) {
continue ;
}
$placeholder = false ;
if ( ! empty( $attrs[ 'width' ] ) && ! empty( $attrs[ 'height' ] ) ) {
$placeholder = $attrs[ 'width' ] . 'x' . $attrs[ 'height' ] ;
}
$src_list[] = $attrs[ 'src' ] ;
$html_list[] = $match[ 0 ] ;
$placeholder_list[] = $placeholder ;
}
return array( $src_list, $html_list, $placeholder_list ) ;
}
/**
* Parse iframe src
*
* @since 1.4
* @access private
* @return array All the src & related raw html list
*/
private function _parse_iframe()
{
$cls_excludes = apply_filters( 'litespeed_media_iframe_lazy_cls_excludes', Conf::val( Base::O_MEDIA_IFRAME_LAZY_CLS_EXC ) );
$cls_excludes[] = 'skip-lazy'; // https://core.trac.wordpress.org/ticket/44427
$html_list = array() ;
$content = preg_replace( '#<!--.*-->#sU', '', $this->content ) ;
/**
* Exclude parent classes
* @since 3.0
*/
$parent_cls_exc = apply_filters( 'litespeed_media_iframe_lazy_parent_cls_excludes', Conf::val( Base::O_MEDIA_IFRAME_LAZY_PARENT_CLS_EXC ) ) ;
if ( $parent_cls_exc ) {
Debug2::debug2( '[Media] Iframe Lazyload Class excludes', $parent_cls_exc ) ;
foreach ( $parent_cls_exc as $v ) {
$content = preg_replace( '#<(\w+) [^>]*class=(\'|")[^\'"]*' . preg_quote( $v, '#' ) . '[^\'"]*\2[^>]*>.*</\1>#sU', '', $content ) ;
}
}
preg_match_all( '#<iframe \s*([^>]+)></iframe>#isU', $content, $matches, PREG_SET_ORDER ) ;
foreach ( $matches as $match ) {
$attrs = Utility::parse_attr( $match[ 1 ] ) ;
if ( empty( $attrs[ 'src' ] ) ) {
continue ;
}
Debug2::debug2( '[Media] found iframe: ' . $attrs[ 'src' ] ) ;
if ( ! empty( $attrs[ 'data-no-lazy' ] ) || ! empty( $attrs[ 'data-skip-lazy' ] ) || ! empty( $attrs[ 'data-lazyloaded' ] ) || ! empty( $attrs[ 'data-src' ] ) ) {
Debug2::debug2( '[Media] bypassed' ) ;
continue ;
}
if ( ! empty( $attrs[ 'class' ] ) && $hit = Utility::str_hit_array( $attrs[ 'class' ], $cls_excludes ) ) {
Debug2::debug2( '[Media] iframe lazyload cls excludes [hit] ' . $hit ) ;
continue ;
}
if ( apply_filters( 'litespeed_iframe_lazyload_exc', false, $attrs[ 'src' ] ) ) {
Debug2::debug2( '[Media] bypassed by filter' ) ;
continue ;
}
// to avoid multiple replacement
if ( in_array( $match[ 0 ], $html_list ) ) {
continue ;
}
$html_list[] = $match[ 0 ] ;
}
return $html_list ;
}
/**
* Replace image src to webp
*
* @since 1.6.2
* @access private
*/
private function _replace_buffer_img_webp()
{
// preg_match_all( '#<img([^>]+?)src=([\'"\\\]*)([^\'"\s\\\>]+)([\'"\\\]*)([^>]*)>#i', $this->content, $matches ) ;
/**
* Added custom element & attribute support
* @since 2.2.2
*/
$webp_ele_to_check = Conf::val( Base::O_IMG_OPTM_WEBP_ATTR ) ;
foreach ( $webp_ele_to_check as $v ) {
if ( ! $v || strpos( $v, '.' ) === false ) {
Debug2::debug2( '[Media] buffer_webp no . attribute ' . $v ) ;
continue ;
}
Debug2::debug2( '[Media] buffer_webp attribute ' . $v ) ;
$v = explode( '.', $v ) ;
$attr = preg_quote( $v[ 1 ], '#' ) ;
if ( $v[ 0 ] ) {
$pattern = '#<' . preg_quote( $v[ 0 ], '#' ) . '([^>]+)' . $attr . '=([\'"])(.+)\g{2}#iU' ;
}
else {
$pattern = '# ' . $attr . '=([\'"])(.+)\g{1}#iU' ;
}
preg_match_all( $pattern, $this->content, $matches ) ;
foreach ( $matches[ $v[ 0 ] ? 3 : 2 ] as $k2 => $url ) {
// Check if is a DATA-URI
if ( strpos( $url, 'data:image' ) !== false ) {
continue ;
}
if ( ! $url2 = $this->replace_webp( $url ) ) {
continue ;
}
if ( $v[ 0 ] ) {
$html_snippet = sprintf(
'<' . $v[ 0 ] . '%1$s' . $v[ 1 ] . '=%2$s',
$matches[ 1 ][ $k2 ],
$matches[ 2 ][ $k2 ] . $url2 . $matches[ 2 ][ $k2 ]
) ;
}
else {
$html_snippet = sprintf(
' ' . $v[ 1 ] . '=%1$s',
$matches[ 1 ][ $k2 ] . $url2 . $matches[ 1 ][ $k2 ]
) ;
}
$this->content = str_replace( $matches[ 0 ][ $k2 ], $html_snippet, $this->content ) ;
}
}
// parse srcset
// todo: should apply this to cdn too
if ( Conf::val( Base::O_IMG_OPTM_WEBP_REPLACE_SRCSET ) ) {
$this->content = Utility::srcset_replace( $this->content, array( $this, 'replace_webp' ) ) ;
}
// Replace background-image
preg_match_all( '#background\-image:(\s*)url\((.*)\)#iU', $this->content, $matches ) ;
foreach ( $matches[ 2 ] as $k => $url ) {
// Check if is a DATA-URI
if ( strpos( $url, 'data:image' ) !== false ) {
continue ;
}
/**
* Support quotes in src `background-image: url('src')`
* @since 2.9.3
*/
$url = trim( $url, '\'"' ) ;
if ( ! $url2 = $this->replace_webp( $url ) ) {
continue ;
}
// $html_snippet = sprintf( 'background-image:%1$surl(%2$s)', $matches[ 1 ][ $k ], $url2 ) ;
$html_snippet = str_replace( $url, $url2, $matches[ 0 ][ $k ] ) ;
$this->content = str_replace( $matches[ 0 ][ $k ], $html_snippet, $this->content ) ;
}
}
/**
* Hook to wp_get_attachment_image_src
*
* @since 1.6.2
* @access public
* @param array $img The URL of the attachment image src, the width, the height
* @return array
*/
public function webp_attach_img_src( $img )
{
Debug2::debug2( '[Media] changing attach src: ' . $img[0] ) ;
if ( $img && $url = $this->replace_webp( $img[ 0 ] ) ) {
$img[ 0 ] = $url ;
}
return $img ;
}
/**
* Try to replace img url
*
* @since 1.6.2
* @access public
* @param string $url
* @return string
*/
public function webp_url( $url )
{
if ( $url && $url2 = $this->replace_webp( $url ) ) {
$url = $url2 ;
}
return $url ;
}
/**
* Hook to replace WP responsive images
*
* @since 1.6.2
* @access public
* @param array $srcs
* @return array
*/
public function webp_srcset( $srcs )
{
if ( $srcs ) {
foreach ( $srcs as $w => $data ) {
if( ! $url = $this->replace_webp( $data[ 'url' ] ) ) {
continue ;
}
$srcs[ $w ][ 'url' ] = $url ;
}
}
return $srcs ;
}
/**
* Replace internal image src to webp
*
* @since 1.6.2
* @access public
*/
public function replace_webp( $url )
{
Debug2::debug2( '[Media] webp replacing: ' . $url, 4 ) ;
if ( substr( $url, -5 ) == '.webp' ) {
Debug2::debug2( '[Media] already webp' ) ;
return false ;
}
/**
* WebP API hook
* NOTE: As $url may contain query strings, WebP check will need to parse_url before appending .webp
* @since 2.9.5
* @see #751737 - API docs for WEBP generation
*/
if ( apply_filters( 'litespeed_media_check_ori', Utility::is_internal_file( $url ), $url ) ) {
// check if has webp file
if ( apply_filters( 'litespeed_media_check_webp', Utility::is_internal_file( $url, 'webp' ), $url ) ) {
$url .= '.webp' ;
}
else {
Debug2::debug2( '[Media] -no WebP file, bypassed' ) ;
return false ;
}
}
else {
Debug2::debug2( '[Media] -no file, bypassed' ) ;
return false ;
}
Debug2::debug2( '[Media] - replaced to: ' . $url ) ;
return $url ;
}
}