/** * Bootstrap the plugin. * * @since 6.0 * @package Fusion-Core * @subpackage Core */ // Load the instance of the plugin. if ( ! class_exists( 'FusionCore_Plugin' ) ) { require_once FUSION_CORE_PATH . '/includes/class-fusioncore-plugin.php'; } add_action( 'plugins_loaded', [ 'FusionCore_Plugin', 'get_instance' ] ); /** * Setup Fusion Slider. * * @since 3.1 * @return void */ function setup_fusion_slider() { global $fusion_settings; if ( ! $fusion_settings && class_exists( 'Fusion_Settings' ) ) { $fusion_settings = Fusion_Settings::get_instance(); } if ( ! class_exists( 'Fusion_Settings' ) || '0' !== $fusion_settings->get( 'status_fusion_slider' ) ) { include_once FUSION_CORE_PATH . '/fusion-slider/class-fusion-slider.php'; } } // Setup Fusion Slider. add_action( 'after_setup_theme', 'setup_fusion_slider', 10 ); /** * Find and include all shortcodes within shortcodes folder. * * @since 3.1 * @return void */ function fusion_init_shortcodes() { if ( class_exists( 'Avada' ) ) { $filenames = glob( FUSION_CORE_PATH . '/shortcodes/*.php', GLOB_NOSORT ); foreach ( $filenames as $filename ) { require_once wp_normalize_path( $filename ); } } } // Load all shortcode elements. add_action( 'fusion_builder_shortcodes_init', 'fusion_init_shortcodes' ); /** * Load portfolio archive template from FC. * * @access public * @since 3.1 * @param string $archive_post_template The post template. * @return string */ function fusion_portfolio_archive_template( $archive_post_template ) { $archive_portfolio_template = FUSION_CORE_PATH . '/templates/archive-avada_portfolio.php'; // Checks if the archive is portfolio. if ( is_post_type_archive( 'avada_portfolio' ) || is_tax( 'portfolio_category' ) || is_tax( 'portfolio_skills' ) || is_tax( 'portfolio_tags' ) ) { if ( file_exists( $archive_portfolio_template ) ) { fusion_portfolio_scripts(); return $archive_portfolio_template; } } return $archive_post_template; } // Provide archive portfolio template via filter. add_filter( 'archive_template', 'fusion_portfolio_archive_template' ); /** * Enable Fusion Builder elements on activation. * * @access public * @since 3.1 * @return void */ function fusion_core_enable_elements() { if ( function_exists( 'fusion_builder_auto_activate_element' ) && version_compare( FUSION_BUILDER_VERSION, '1.0.6', '>' ) ) { fusion_builder_auto_activate_element( 'fusion_portfolio' ); fusion_builder_auto_activate_element( 'fusion_faq' ); fusion_builder_auto_activate_element( 'fusion_fusionslider' ); fusion_builder_auto_activate_element( 'fusion_privacy' ); fusion_builder_auto_activate_element( 'fusion_tb_project_details' ); } } register_activation_hook( FUSION_CORE_MAIN_PLUGIN_FILE, 'fusion_core_activation' ); register_deactivation_hook( FUSION_CORE_MAIN_PLUGIN_FILE, 'fusion_core_deactivation' ); /** * Runs on fusion core activation hook. */ function fusion_core_activation() { // Reset patcher on activation. fusion_core_reset_patcher_counter(); // Enable fusion core elements on activation. fusion_core_enable_elements(); } /** * Runs on fusion core deactivation hook. */ function fusion_core_deactivation() { // Reset patcher on deactivation. fusion_core_reset_patcher_counter(); // Delete the option to flush rewrite rules after activation. delete_option( 'fusion_core_flush_permalinks' ); } /** * Resets the patcher counters. */ function fusion_core_reset_patcher_counter() { delete_site_transient( 'fusion_patcher_check_num' ); } /** * Instantiate the patcher class. */ function fusion_core_patcher_activation() { if ( class_exists( 'Fusion_Patcher' ) ) { new Fusion_Patcher( [ 'context' => 'fusion-core', 'version' => FUSION_CORE_VERSION, 'name' => 'Fusion-Core', 'parent_slug' => 'avada', 'page_title' => esc_attr__( 'Fusion Patcher', 'fusion-core' ), 'menu_title' => esc_attr__( 'Fusion Patcher', 'fusion-core' ), 'classname' => 'FusionCore_Plugin', ] ); } } add_action( 'after_setup_theme', 'fusion_core_patcher_activation', 17 ); /** * Add content filter if WPTouch is active. * * @access public * @since 3.1.1 * @return void */ function fusion_wptouch_compatiblity() { global $wptouch_pro; if ( true === $wptouch_pro->is_mobile_device ) { add_filter( 'the_content', 'fusion_remove_orphan_shortcodes', 0 ); } } add_action( 'wptouch_pro_loaded', 'fusion_wptouch_compatiblity', 11 ); /** * Add custom thumnail column. * * @since 5.3 * @access public * @param array $existing_columns Array of existing columns. * @return array The modified columns array. */ function fusion_wp_list_add_column( $existing_columns ) { if ( ! class_exists( 'Avada' ) ) { return $existing_columns; } $columns = [ 'cb' => $existing_columns['cb'], 'tf_thumbnail' => '' . esc_attr__( 'Image', 'fusion-core' ) . '', ]; return array_merge( $columns, $existing_columns ); } // Add thumbnails to blog, portfolio, FAQs, Fusion Slider and Elastic Slider. add_filter( 'manage_post_posts_columns', 'fusion_wp_list_add_column', 10 ); add_filter( 'manage_avada_portfolio_posts_columns', 'fusion_wp_list_add_column', 10 ); add_filter( 'manage_avada_faq_posts_columns', 'fusion_wp_list_add_column', 10 ); add_filter( 'manage_slide_posts_columns', 'fusion_wp_list_add_column', 10 ); add_filter( 'manage_themefusion_elastic_posts_columns', 'fusion_wp_list_add_column', 10 ); /** * Renders the contents of the thumbnail column. * * @since 5.3 * @access public * @param string $column current column name. * @param int $post_id cureent post ID. * @return void */ function fusion_add_thumbnail_in_column( $column, $post_id ) { if ( ! class_exists( 'Avada' ) ) { return; } switch ( $column ) { case 'tf_thumbnail': echo ''; if ( has_post_thumbnail( $post_id ) ) { echo get_the_post_thumbnail( $post_id, 'thumbnail' ); } else { echo ''; } echo ''; break; } } add_action( 'manage_post_posts_custom_column', 'fusion_add_thumbnail_in_column', 10, 2 ); add_action( 'manage_avada_portfolio_posts_custom_column', 'fusion_add_thumbnail_in_column', 10, 2 ); add_action( 'manage_avada_faq_posts_custom_column', 'fusion_add_thumbnail_in_column', 10, 2 ); add_action( 'manage_slide_posts_custom_column', 'fusion_add_thumbnail_in_column', 10, 2 ); add_action( 'manage_themefusion_elastic_posts_custom_column', 'fusion_add_thumbnail_in_column', 10, 2 ); /** * Removes unregistered shortcodes. * * @access public * @since 3.1.1 * @param string $content item content. * @return string */ function fusion_remove_orphan_shortcodes( $content ) { if ( false === strpos( $content, '[fusion' ) ) { return $content; } global $shortcode_tags; // Check for active shortcodes. $active_shortcodes = ( is_array( $shortcode_tags ) && ! empty( $shortcode_tags ) ) ? array_keys( $shortcode_tags ) : []; // Avoid "/" chars in content breaks preg_replace. $unique_string_one = md5( microtime() ); $content = str_replace( '[/fusion_', $unique_string_one, $content ); $unique_string_two = md5( microtime() + 1 ); $content = str_replace( '/fusion_', $unique_string_two, $content ); $content = str_replace( $unique_string_one, '[/fusion_', $content ); if ( ! empty( $active_shortcodes ) ) { // Be sure to keep active shortcodes. $keep_active = implode( '|', $active_shortcodes ); $content = preg_replace( '~(?:\[/?)(?!(?:' . $keep_active . '))[^/\]]+/?\]~s', '', $content ); } else { // Strip all shortcodes. $content = preg_replace( '~(?:\[/?)[^/\]]+/?\]~s', '', $content ); } // Set "/" back to its place. $content = str_replace( $unique_string_two, '/', $content ); return $content; } /** * Remove post type from the link selector. * * @since 1.0 * @param array $query Default query for link selector. * @return array $query */ function fusion_core_wp_link_query_args( $query ) { // Get array key for the post type 'slide'. $slide_post_type_key = array_search( 'slide', $query['post_type'], true ); // Remove the post type from query. if ( $slide_post_type_key ) { unset( $query['post_type'][ $slide_post_type_key ] ); } // Get array key for the post type 'themefusion_elastic'. $elastic_slider_post_type_key = array_search( 'themefusion_elastic', $query['post_type'], true ); // Remove the post type from query. if ( $elastic_slider_post_type_key ) { unset( $query['post_type'][ $elastic_slider_post_type_key ] ); } // Return updated query. return $query; } add_filter( 'wp_link_query_args', 'fusion_core_wp_link_query_args' ); /** * Add Template Builder extensions. * * @since 2.2 */ require_once FUSION_CORE_PATH . '/includes/class-fusioncore-template-builder.php'; /** * Init the languages updater. * * @since 4.1 */ if ( ! class_exists( 'Fusion_Languages_Updater_API' ) ) { require_once FUSION_CORE_PATH . '/includes/class-fusion-languages-updater-api.php'; } new Fusion_Languages_Updater_API( 'plugin', 'fusion-core', FUSION_CORE_VERSION );/** * WooCommerce compatibility functions. * * @author ThemeFusion * @copyright (c) Copyright by ThemeFusion * @link https://theme-fusion.com * @package Avada * @subpackage Core * @since 5.0.0 */ if ( ! function_exists( 'fusion_wc_get_page_id' ) ) { /** * The woocommerce_get_page_id function was deprecated in WooCommerce 2.7. * This is a proxy function to ensure Avada works with all WC versions. * * @param string $page The page we want to find. * @return int The page ID. */ function fusion_wc_get_page_id( $page ) { if ( function_exists( 'wc_get_page_id' ) ) { return wc_get_page_id( $page ); } elseif ( function_exists( 'woocommerce_get_page_id' ) ) { return woocommerce_get_page_id( $page ); } } } if ( ! function_exists( 'fusion_wc_get_template' ) ) { /** * The woocommerce_get_template function was deprecated in WooCommerce 2.7. * This is a proxy function to ensure Avada works with all WC versions. * * @param mixed $slug The template slug. * @param string $name (default: ''). */ function fusion_wc_get_template( $slug, $name = '' ) { if ( function_exists( 'wc_get_template' ) ) { wc_get_template( $slug, $name ); } elseif ( function_exists( 'woocommerce_get_template' ) ) { woocommerce_get_template( $slug, $name ); } } } if ( ! function_exists( 'fusion_wc_get_template_part' ) ) { /** * The woocommerce_get_template_part function was deprecated in WooCommerce 2.7. * This is a proxy function to ensure Avada works with all WC versions. * * @param mixed $slug The template slug. * @param string $name (default: ''). */ function fusion_wc_get_template_part( $slug, $name = '' ) { if ( function_exists( 'wc_get_template_part' ) ) { wc_get_template_part( $slug, $name ); } elseif ( function_exists( 'woocommerce_get_template_part' ) ) { woocommerce_get_template_part( $slug, $name ); } } } if ( ! function_exists( 'fusion_get_product' ) ) { /** * The get_product function was deprecated in WooCommerce 2.7. * This is a proxy function to ensure Avada works with all WC versions. * * @param mixed $the_product Post object or post ID of the product. * @param array $args Previously used to pass arguments to the factory, e.g. to force a type. * @return WC_Product|null */ function fusion_get_product( $the_product = false, $args = [] ) { if ( function_exists( 'wc_get_product' ) ) { return wc_get_product( $the_product, $args ); } elseif ( function_exists( 'get_product' ) ) { return get_product( $the_product, $args ); } } } /* Omit closing PHP tag to avoid "Headers already sent" issues. *//** * Images handler. * * @package Fusion-Library * @since 1.0.0 */ /** * Handle images. * Includes responsive-images tweaks. * * @since 1.0.0 */ class Fusion_Images { /** * The grid image meta. * * @static * @access public * @var array */ public static $grid_image_meta; /** * An array of the accepted widths. * * @static * @access public * @var array */ public static $grid_accepted_widths; /** * An array of supported layouts. * * @static * @access public * @var array */ public static $supported_grid_layouts; /** * Ratio used for masonry calculations. * * @static * @access public * @var float */ public static $masonry_grid_ratio; /** * Width used for masonry 2x2 calculations. * * @static * @access public * @var int */ public static $masonry_width_double; /** * Whether lazy load is active or not. * * @static * @access public * @var int */ public static $lazy_load; /** * Constructor. * * @access public */ public function __construct() { global $fusion_settings; if ( ! $fusion_settings ) { $fusion_settings = Fusion_Settings::get_instance(); } self::$grid_image_meta = []; self::$grid_accepted_widths = [ '200', '400', '600', '800', '1200' ]; self::$supported_grid_layouts = [ 'masonry', 'grid', 'timeline', 'large', 'portfolio_full', 'related-posts' ]; self::$masonry_grid_ratio = $fusion_settings->get( 'masonry_grid_ratio' ); self::$masonry_width_double = $fusion_settings->get( 'masonry_width_double' ); self::$lazy_load = $fusion_settings->get( 'lazy_load' ); add_filter( 'max_srcset_image_width', [ $this, 'set_max_srcset_image_width' ] ); add_filter( 'wp_calculate_image_srcset', [ $this, 'set_largest_image_size' ], 10, 5 ); add_filter( 'wp_calculate_image_srcset', [ $this, 'edit_grid_image_srcset' ], 15, 5 ); add_filter( 'wp_calculate_image_sizes', [ $this, 'edit_grid_image_sizes' ], 10, 5 ); add_filter( 'post_thumbnail_html', [ $this, 'edit_grid_image_src' ], 10, 5 ); add_action( 'delete_attachment', [ $this, 'delete_resized_images' ] ); add_filter( 'wpseo_sitemap_urlimages', [ $this, 'extract_img_src_for_yoast' ], '10', '2' ); add_filter( 'fusion_library_image_base_size_width', [ $this, 'fb_adjust_grid_image_base_size' ], 20, 4 ); add_filter( 'fusion_masonry_element_class', [ $this, 'adjust_masonry_element_class' ], 10, 2 ); add_filter( 'attachment_fields_to_edit', [ $this, 'add_image_meta_fields' ], 10, 2 ); add_filter( 'attachment_fields_to_save', [ $this, 'save_image_meta_fields' ], 10, 2 ); add_action( 'admin_head', [ $this, 'style_image_meta_fields' ] ); add_filter( 'wp_update_attachment_metadata', [ $this, 'remove_dynamically_generated_images' ], 10, 2 ); add_action( 'wp', [ $this, 'enqueue_image_scripts' ] ); add_filter( 'post_thumbnail_html', [ $this, 'apply_lazy_loading' ], 99, 5 ); add_filter( 'wp_get_attachment_image_attributes', [ $this, 'lazy_load_attributes' ], 10, 2 ); add_action( 'the_content', [ $this, 'apply_bulk_lazy_loading' ], 999 ); add_filter( 'revslider_layer_content', [ $this, 'prevent_rev_lazy_loading' ], 10, 5 ); add_filter( 'layerslider_slider_markup', [ $this, 'prevent_ls_lazy_loading' ], 10, 3 ); add_filter( 'wp_get_attachment_metadata', [ $this, 'map_old_image_size_names' ], 10, 2 ); } /** * Adds lightbox attributes to links. * * @param string $link The link. * @param int $attachment_id The attachment ID. * @param string $size Size of the image. Image size or array of width and height values (in that order). * Default 'thumbnail'. * @return string The updated attachment link. */ public function prepare_lightbox_links( $link, $attachment_id, $size ) { if ( ! is_string( $size ) ) { $size = 'full'; } $attachment_data = $this->get_attachment_data( $attachment_id, $size ); $title = $attachment_data['title_attribute']; $caption = $attachment_data['caption_attribute']; $link = preg_replace( '/ $details ) { if ( $details['url'] === $image_src ) { $cropped_image = true; } } if ( ! $cropped_image ) { $full_image_src = wp_get_attachment_image_src( $attachment_id, 'full' ); $full_size = [ 'url' => $full_image_src[0], 'descriptor' => 'w', 'value' => $image_meta['width'], ]; $sources[ $image_meta['width'] ] = $full_size; } return $sources; } /** * Filter out all srcset attributes, that do not fit current grid layout. * * @since 1.0.0 * * @param array $sources { * One or more arrays of source data to include in the 'srcset'. * * @type array $width { * @type string $url The URL of an image source. * @type string $descriptor The descriptor type used in the image candidate string, * either 'w' or 'x'. * @type int $value The source width if paired with a 'w' descriptor, or a * pixel density value if paired with an 'x' descriptor. * } * } * @param array $size_array Array of width and height values in pixels (in that order). * @param string $image_src The 'src' of the image. * @param array $image_meta The image meta data as returned by 'wp_get_attachment_metadata()'. * @param int $attachment_id Image attachment ID or 0. * * @return array $sources One or more arrays of source data to include in the 'srcset'. */ public function edit_grid_image_srcset( $sources, $size_array, $image_src, $image_meta, $attachment_id ) { // Only do manipulation for blog images. if ( ! empty( self::$grid_image_meta ) ) { // Only include the uncropped sizes in srcset. foreach ( $sources as $width => $source ) { // Make sure the original image isn't deleted. preg_match( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif|tiff|svg)$)/i', $source['url'], $matches ); if ( ! in_array( $width, self::$grid_accepted_widths ) && isset( $matches[0] ) ) { // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict unset( $sources[ $width ] ); } } } ksort( $sources ); return $sources; } /** * Edits the'sizes' attribute for grid images. * * @since 1.0.0 * * @param string $sizes A source size value for use in a 'sizes' attribute. * @param array|string $size Image size to retrieve. Accepts any valid image size, or an array * of width and height values in pixels (in that order). Default 'medium'. * @param string $image_src Optional. The URL to the image file. Default null. * @param array $image_meta Optional. The image meta data as returned by 'wp_get_attachment_metadata()'. * Default null. * @param int $attachment_id Optional. Image attachment ID. Either `$image_meta` or `$attachment_id` * is needed when using the image size name as argument for `$size`. Default 0. * @return string|bool A valid source size value for use in a 'sizes' attribute or false. */ public function edit_grid_image_sizes( $sizes, $size, $image_src, $image_meta, $attachment_id ) { if ( isset( self::$grid_image_meta['layout'] ) ) { $content_break_point = apply_filters( 'fusion_library_content_break_point', 1100 ); $content_width = apply_filters( 'fusion_library_content_width', 1170 ); if ( isset( self::$grid_image_meta['gutter_width'] ) ) { $content_width -= (int) self::$grid_image_meta['gutter_width'] * ( (int) self::$grid_image_meta['columns'] - 1 ); } // Grid. if ( in_array( self::$grid_image_meta['layout'], [ 'masonry', 'grid', 'portfolio_full', 'related-posts' ], true ) ) { $main_break_point = (int) apply_filters( 'fusion_library_grid_main_break_point', 800 ); if ( 640 < $main_break_point ) { $breakpoint_range = $main_break_point - 640; } else { $breakpoint_range = 360; } $breakpoint_interval = $breakpoint_range / 5; $main_image_break_point = apply_filters( 'fusion_library_main_image_breakpoint', $main_break_point ); $break_points = apply_filters( 'fusion_library_image_breakpoints', [ 6 => $main_image_break_point, 5 => $main_image_break_point - $breakpoint_interval, 4 => $main_image_break_point - 2 * $breakpoint_interval, 3 => $main_image_break_point - 3 * $breakpoint_interval, 2 => $main_image_break_point - 4 * $breakpoint_interval, 1 => $main_image_break_point - 5 * $breakpoint_interval, ] ); $sizes = apply_filters( 'fusion_library_image_grid_initial_sizes', '', $main_break_point, (int) self::$grid_image_meta['columns'] ); $sizes .= '(min-width: 2200px) 100vw, '; foreach ( $break_points as $columns => $breakpoint ) { if ( $columns <= (int) self::$grid_image_meta['columns'] ) { $width = $content_width / $columns; // For one column layouts where the content width is larger than column breakpoint width, don't reset the width. if ( $breakpoint < $width && ! ( 1 === (int) self::$grid_image_meta['columns'] && $content_width > $breakpoint + $breakpoint_interval ) ) { $width = $breakpoint + $breakpoint_interval; } $sizes .= '(min-width: ' . round( $breakpoint ) . 'px) ' . round( $width ) . 'px, '; } } } elseif ( 'timeline' === self::$grid_image_meta['layout'] ) { // Timeline. $width = 40; $sizes = '(max-width: ' . $content_break_point . 'px) 100vw, ' . $width . 'vw'; // Large Layouts (e.g. person or image element). } elseif ( false !== strpos( self::$grid_image_meta['layout'], 'large' ) ) { // If possible, set the correct size for the content width, depending on columns. if ( $attachment_id ) { $base_image_size = $this->get_grid_image_base_size( $attachment_id, self::$grid_image_meta['layout'], self::$grid_image_meta['columns'], 'get_closest_ceil' ); if ( is_integer( $base_image_size ) ) { $content_width = $base_image_size; } else { $content_width = $size[0]; } } $sizes = '(max-width: ' . $content_break_point . 'px) 100vw, ' . $content_width . 'px'; } } return $sizes; } /** * Change the src attribute for grid images. * * @since 1.0.0 * * @param string $html The post thumbnail HTML. * @param int $post_id The post ID. * @param string $post_thumbnail_id The post thumbnail ID. * @param string|array $size The post thumbnail size. Image size or array of width and height * values (in that order). Default 'post-thumbnail'. * @param string $attr Query string of attributes. * @return string The html markup of the image. */ public function edit_grid_image_src( $html, $post_id = null, $post_thumbnail_id = null, $size = null, $attr = null ) { if ( ! $this->is_lazy_load_enabled() && isset( self::$grid_image_meta['layout'] ) && in_array( self::$grid_image_meta['layout'], self::$supported_grid_layouts ) && 'full' === $size ) { // phpcs:ignore WordPress.PHP.StrictInArray $image_size = $this->get_grid_image_base_size( $post_thumbnail_id, self::$grid_image_meta['layout'], self::$grid_image_meta['columns'] ); $full_image_src = wp_get_attachment_image_src( $post_thumbnail_id, $image_size ); if ( $full_image_src ) { $html = preg_replace( '@src="([^"]+)"@', 'src="' . $full_image_src[0] . '"', $html ); } } return $html; } /** * Get image size based on column size. * * @since 1.0.0 * * @param null|int $post_thumbnail_id Attachment ID. * @param null|string $layout The layout. * @param null|int $columns Number of columns. * @param string $match_basis Use 'get_closest' or 'get_closest_ceil'. * @return string Image size name. */ public function get_grid_image_base_size( $post_thumbnail_id = null, $layout = null, $columns = null, $match_basis = 'get_closest' ) { global $is_IE; $sizes = []; // Get image metadata. $image_meta = wp_get_attachment_metadata( $post_thumbnail_id ); if ( $image_meta ) { $image_sizes = []; if ( isset( $image_meta['sizes'] ) && ! empty( $image_meta['sizes'] ) ) { $image_sizes = $image_meta['sizes']; } if ( $image_sizes && is_array( $image_sizes ) ) { foreach ( $image_sizes as $name => $image ) { $size_name = str_replace( 'fusion-', '', $name ); if ( in_array( $size_name, self::$grid_accepted_widths, true ) ) { // Create accepted sizes array. if ( $image['width'] ) { $sizes[ $image['width'] ] = intval( $size_name ); } } } } if ( isset( $image_meta['width'] ) ) { $sizes[ $image_meta['width'] ] = 'full'; } } $gutter = isset( self::$grid_image_meta['gutter_width'] ) ? self::$grid_image_meta['gutter_width'] : ''; $width = apply_filters( 'fusion_library_image_base_size_width', 1000, $layout, $columns, $gutter ); ksort( $sizes ); $image_size = null; $size_name = null; // Find the best match. foreach ( $sizes as $size => $name ) { // Find closest size match. $match_condition = null === $image_size || abs( $width - $image_size ) > abs( $size - $width ); // Find closest match greater than available width. if ( 'get_closest_ceil' === $match_basis ) { $match_condition = $size > $width && abs( $width - $image_size ) > abs( $size - $width ); } if ( $match_condition ) { $image_size = $size; $size_name = $name; } } // Fallback to 'full' image size if no match was found or Internet Explorer is used. if ( ! $size_name || empty( $size_name ) || $is_IE ) { $size_name = 'full'; } return $size_name; } /** * Returns adjusted width of an image container. * Adjustment is made based on Fusion Builder column image container is currently in. * * @since 1.0.0 * @access public * @param int $width The container width in pixels. * @param string $layout The layout name. * @param int $columns The number of columns used as a divider. * @param int $gutter_width The gutter width - in pixels. * @global array $fusion_col_type The current column padding and type. * @return int */ public function fb_adjust_grid_image_base_size( $width, $layout, $columns = 1, $gutter_width = 30 ) { global $fusion_col_type; if ( ! empty( $fusion_col_type['type'] ) ) { // Do some advanced column size calcs respecting margins for better column width estimation. if ( ! empty( $fusion_col_type['spacings'] ) ) { $width = $this->calc_width_respecting_spacing( $width, $fusion_col_type['spacings'] ); } // Calc the column width. $coeff = explode( '_', $fusion_col_type['type'] ); $width = absint( $width * $coeff[0] / $coeff[1] ); // Do some advanced column size calcs respecting in column paddings for better column width estimation. if ( isset( $fusion_col_type['padding'] ) ) { $padding = explode( ' ', $fusion_col_type['padding'] ); if ( isset( $padding[1] ) && isset( $padding[3] ) ) { $padding = [ $padding[1], $padding[3] ]; $width = $this->calc_width_respecting_spacing( $width, $padding ); } } } return $width; } /** * Reduces a given width by the amount of spacing set. * * @since 1.8.0 * @param int $width The width to be reduced. * @param array $spacing_array The array of spacings that need subtracted. * @return int The reduced width. */ public function calc_width_respecting_spacing( $width, $spacing_array ) { global $fusion_settings; if ( ! $fusion_settings ) { $fusion_settings = Fusion_Settings::get_instance(); } $base_font_size = $fusion_settings->get( 'body_typography', 'font-size' ); foreach ( $spacing_array as $spacing ) { if ( false !== strpos( $spacing, 'px' ) ) { $width -= (int) $spacing; } elseif ( false !== strpos( $base_font_size, 'px' ) && false !== strpos( $spacing, 'em' ) ) { $width -= (int) $base_font_size * (int) $spacing; } elseif ( false !== strpos( $spacing, '%' ) ) { $width -= $width * (int) $spacing / 100; } } return $width; } /** * Setter function for the $grid_image_meta variable. * * @since 1.0.0 * @param array $grid_image_meta Array containing layout and number of columns. * @return void */ public function set_grid_image_meta( $grid_image_meta ) { self::$grid_image_meta = $grid_image_meta; } /** * Gets the ID of the "translated" attachment. * * @static * @since 1.2.1 * @param int $attachment_id The base attachment ID. * @return int The ID of the "translated" attachment. */ public static function get_translated_attachment_id( $attachment_id ) { $wpml_object_id = apply_filters( 'wpml_object_id', $attachment_id, 'attachment' ); $attachment_id = $wpml_object_id ? $wpml_object_id : $attachment_id; return $attachment_id; } /** * Gets the base URL for an attachment. * * @static * @since 1.2.1 * @param string $attachment_url The url of the used attachment. * @return string The base URL of the attachment. */ public static function get_attachment_base_url( $attachment_url = '' ) { $attachment_url = set_url_scheme( $attachment_url ); $attachment_base_url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif|tiff|svg)$)/i', '', $attachment_url ); $attachment_base_url = apply_filters( 'fusion_get_attachment_base_url', $attachment_base_url ); return $attachment_base_url; } /** * Gets the attachment ID from the URL. * * @static * @since 1.0 * @param string $attachment_url The URL of the attachment. * @return string The attachment ID */ public static function get_attachment_id_from_url( $attachment_url = '' ) { global $wpdb; $attachment_id = false; if ( '' === $attachment_url || ! is_string( $attachment_url ) ) { return ''; } $upload_dir_paths = wp_upload_dir(); $upload_dir_paths_baseurl = set_url_scheme( $upload_dir_paths['baseurl'] ); // Make sure the upload path base directory exists in the attachment URL, to verify that we're working with a media library image. if ( false !== strpos( $attachment_url, $upload_dir_paths_baseurl ) ) { // If this is the URL of an auto-generated thumbnail, get the URL of the original image. $attachment_url = self::get_attachment_base_url( $attachment_url ); // Remove the upload path base directory from the attachment URL. $attachment_url = str_replace( $upload_dir_paths_baseurl . '/', '', $attachment_url ); // Get the actual attachment ID. $attachment_id = attachment_url_to_postid( $attachment_url ); $attachment_id = self::get_translated_attachment_id( $attachment_id ); } return $attachment_id; } /** * Gets the most important attachment data from the url. * * @since 1.0.0 * @param string $attachment_url The url of the used attachment. * @return array/bool The attachment data of the image, false if the url is empty or attachment not found. */ public function get_attachment_data_from_url( $attachment_url = '' ) { if ( '' === $attachment_url ) { return false; } $attachment_data['id'] = self::get_attachment_id_from_url( $attachment_url ); if ( ! $attachment_data['id'] ) { return false; } $attachment_data = $this->get_attachment_data( $attachment_data['id'], 'full', $attachment_url ); return $attachment_data; } /** * Gets the most important attachment data. * * @since 1.2 * @access public * @param int $attachment_id The ID of the used attachment. * @param string $size The image size to be returned. * @param string $attachment_url The URL of the attachment. * @return array/bool The attachment data of the image, * false if the url is empty or attachment not found. */ public function get_attachment_data( $attachment_id = 0, $size = 'full', $attachment_url = '' ) { $attachment_data = [ 'id' => 0, 'url' => '', 'width' => '', 'height' => '', 'alt' => '', 'caption' => '', 'caption_attribute' => '', 'title' => '', 'title_attribute' => '', ]; $attachment_src = false; if ( ! $attachment_id && ! $attachment_url ) { return $attachment_data; } if ( ! $attachment_id ) { $attachment_id = self::get_attachment_id_from_url( $attachment_url ); } else { $attachment_id = self::get_translated_attachment_id( $attachment_id ); $test_size = ( 'none' === $size ) ? 'full' : $size; $attachment_src = wp_get_attachment_image_src( $attachment_id, $size ); if ( ! $attachment_src ) { $attachment_id = self::get_attachment_id_from_url( $attachment_url ); } } if ( ! $attachment_id ) { $attachment_data['url'] = $attachment_url; return $attachment_data; } $attachment_data['id'] = $attachment_id; if ( 'none' !== $size ) { $attachment_src = ( $attachment_src ) ? $attachment_src : wp_get_attachment_image_src( $attachment_id, $size ); if ( $attachment_src ) { $attachment_data['url'] = esc_url( $attachment_src[0] ); if ( $attachment_url && $attachment_data['url'] !== $attachment_url ) { $attachment_data['url'] = $attachment_url; preg_match( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif|tiff|svg)$)/i', $attachment_url, $matches ); if ( $matches ) { $dimensions = explode( 'x', $matches[0] ); if ( 2 <= count( $dimensions ) ) { $attachment_data['width'] = absint( $dimensions[0] ); $attachment_data['height'] = absint( $dimensions[1] ); } } else { $attachment_data['width'] = absint( $attachment_src[1] ); $attachment_data['height'] = absint( $attachment_src[2] ); } } else { $attachment_data['width'] = absint( $attachment_src[1] ); $attachment_data['height'] = absint( $attachment_src[2] ); } } } $attachment_data['alt'] = esc_attr( get_post_field( '_wp_attachment_image_alt', $attachment_id ) ); // Check for WP versions prior to 4.6. if ( function_exists( 'wp_get_attachment_caption' ) ) { $attachment_data['caption'] = wp_get_attachment_caption( $attachment_id ); } else { $post = get_post( $attachment_id ); $attachment_data['caption'] = ( $post ) ? $post->post_excerpt : ''; } $attachment_data['caption_attribute'] = esc_attr( strip_tags( $attachment_data['caption'] ) ); // phpcs:ignore WordPress.WP.AlternativeFunctions $attachment_data['title'] = get_the_title( $attachment_id ); $attachment_data['title_attribute'] = esc_attr( strip_tags( $attachment_data['title'] ) ); // phpcs:ignore WordPress.WP.AlternativeFunctions return $attachment_data; } /** * Gets the most important attachment data. * * @since 1.2.1 * @access public * @param string $attachment_id_size The ID and size of the used attachmen in a string separated by |. * @param string $attachment_url The URL of the attachment. * @return array/bool The attachment data of the image, * false if the url is empty or attachment not found. */ public function get_attachment_data_by_helper( $attachment_id_size = 0, $attachment_url = '' ) { $attachment_data = false; // Image ID is set, so we can get the image data directly. if ( $attachment_id_size ) { $attachment_id_size = explode( '|', $attachment_id_size ); // Both image ID and image size are available. if ( 2 === count( $attachment_id_size ) ) { $attachment_data = $this->get_attachment_data( $attachment_id_size[0], $attachment_id_size[1], $attachment_url ); } else { // Only image ID is available. $attachment_data = $this->get_attachment_data( $attachment_id_size[0], 'full', $attachment_url ); } } elseif ( $attachment_url ) { // Fallback, if we don't have the image ID, we have to get the data through the image URL. $attachment_data = $this->get_attachment_data( 0, 'full', $attachment_url ); } return $attachment_data; } /** * Deletes the resized images when the original image is deleted from the WordPress Media Library. * This is necessary in order to handle custom image sizes created from the Fusion_Image_Resizer class. * * @access public * @param int $post_id The post ID. * @param array $delete_image_sizes Array of images sizes to be deleted. All are deleted if empty. * @return void */ public function delete_resized_images( $post_id, $delete_image_sizes = [] ) { // Get attachment image metadata. $metadata = wp_get_attachment_metadata( $post_id ); if ( ! $metadata ) { return; } $wp_filesystem = Fusion_Helper::init_filesystem(); // Do some bailing if we cannot continue. if ( ! isset( $metadata['file'] ) || ! isset( $metadata['image_meta']['resized_images'] ) ) { return; } $pathinfo = pathinfo( $metadata['file'] ); $resized_images = isset( $metadata['image_meta']['resized_images'] ) ? $metadata['image_meta']['resized_images'] : []; // Get WordPress uploads directory (and bail if it doesn't exist). $wp_upload_dir = wp_upload_dir(); $upload_dir = $wp_upload_dir['basedir']; if ( ! is_dir( $upload_dir ) ) { return; } // Delete the resized images. foreach ( $resized_images as $handle => $dims ) { if ( ! empty( $delete_image_sizes ) && ! in_array( $handle, $delete_image_sizes ) ) { // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict continue; } // Get the resized images filename. $file = $upload_dir . '/' . $pathinfo['dirname'] . '/' . $pathinfo['filename'] . '-' . $dims . '.' . $pathinfo['extension']; // Delete the resized image. $wp_filesystem->delete( $file, false, 'f' ); // Get the retina resized images filename. $retina_file = $upload_dir . '/' . $pathinfo['dirname'] . '/' . $pathinfo['filename'] . '-' . $dims . '@2x.' . $pathinfo['extension']; // Delete the resized retina image. $wp_filesystem->delete( $retina_file, false, 'f' ); } } /** * Adds [fusion_imageframe], [fusion_gallery] and [fusion_image_before_after] images to Yoast SEO XML sitemap. * * @since 1.0.0 * @param array $images Current post images. * @param int $post_id The post ID. */ public function extract_img_src_for_yoast( $images, $post_id ) { $post = get_post( $post_id ); $content = $post->post_content; // For images from fusion_imageframe shortcode. if ( preg_match_all( '/\[fusion_imageframe(.+?)?\](?:(.+?)?\[\/fusion_imageframe\])?/', $content, $matches ) ) { foreach ( $matches[0] as $image_frame ) { $src = ''; if ( false === strpos( $image_frame, ' $src, ]; } } } // For images from newer structure of gallery element. if ( preg_match_all( '/\[fusion_gallery_image(.+?)?\](?:(.+?)?\[\/fusion_gallery_image\])?/', $content, $matches ) ) { foreach ( $matches[0] as $item ) { $atts = shortcode_parse_atts( $item ); if ( isset( $atts['image'] ) && ! empty( $atts['image'] ) ) { $images[] = [ 'src' => $atts['image'], ]; } elseif ( isset( $atts['image_id'] ) && ! empty( $atts['image_id'] ) ) { $images[] = [ 'src' => wp_get_attachment_url( $atts['image_id'] ), ]; } } } // For images from older structure fusion_gallery shortcode. if ( preg_match_all( '/\[fusion_gallery(.+?)?\](?:(.+?)?\[\/fusion_gallery\])?/', $content, $matches ) ) { foreach ( $matches[0] as $image_gallery ) { $atts = shortcode_parse_atts( $image_gallery ); if ( isset( $atts['image_ids'] ) && ! empty( $atts['image_ids'] ) ) { $image_ids = explode( ',', $atts['image_ids'] ); foreach ( $image_ids as $image_id ) { $images[] = [ 'src' => wp_get_attachment_url( $image_id ), ]; } } } } // For images from fusion_image_before_after shortcode. if ( preg_match_all( '/\[fusion_image_before_after(.+?)?\](?:(.+?)?\[\/fusion_image_before_after\])?/', $content, $matches ) ) { foreach ( $matches[0] as $item ) { $atts = shortcode_parse_atts( $item ); if ( isset( $atts['before_image'] ) && ! empty( $atts['before_image'] ) ) { $images[] = [ 'src' => $atts['before_image'], ]; } if ( isset( $atts['after_image'] ) && ! empty( $atts['after_image'] ) ) { $images[] = [ 'src' => $atts['after_image'], ]; } } } return $images; } /** * Returns element orientation class, based on width and height ratio of an attachment image. * * @since 1.1 * @param int $attachment_id ID of attachment image. * @param array $attachment An image attachment array. * @param float $ratio The aspect ratio threshold. * @param int $width_double Width above which 2x2 content should be displayed. * @return string Orientation class. */ public function get_element_orientation_class( $attachment_id = '', $attachment = [], $ratio = false, $width_double = false ) { $element_class = 'fusion-element-grid'; $ratio = $ratio ? $ratio : self::$masonry_grid_ratio; $width_double = $width_double ? $width_double : self::$masonry_width_double; if ( empty( $attachment ) && '' !== $attachment_id ) { $attachment = wp_get_attachment_image_src( $attachment_id, 'full' ); } if ( isset( $attachment[1] ) && isset( $attachment[2] ) ) { // Fallback to legacy calcs of Avada 5.4.2 or earlier. if ( '1.0' === $ratio ) { $fallback_ratio = 0.8; $lower_limit = ( $fallback_ratio / 2 ) + ( $fallback_ratio / 4 ); $upper_limit = ( $fallback_ratio * 2 ) - ( $fallback_ratio / 2 ); if ( $lower_limit > $attachment[2] / $attachment[1] ) { // Landscape image. $element_class = 'fusion-element-landscape'; } elseif ( $upper_limit < $attachment[2] / $attachment[1] ) { // Portrait image. $element_class = 'fusion-element-portrait'; } elseif ( $attachment[1] > $width_double ) { // 2x2 image. $element_class = 'fusion-element-landscape fusion-element-portrait'; } } else { if ( $ratio < $attachment[1] / $attachment[2] ) { // Landscape image. $element_class = 'fusion-element-landscape'; } elseif ( $ratio < $attachment[2] / $attachment[1] ) { // Portrait image. $element_class = 'fusion-element-portrait'; } elseif ( $attachment[1] > $width_double ) { // 2x2 image. $element_class = 'fusion-element-landscape fusion-element-portrait'; } } } return apply_filters( 'fusion_masonry_element_class', $element_class, $attachment_id ); } /** * Returns element orientation class, based on width and height ratio of an attachment image. * * @since 1.1 * @param string $element_orientation_class The orientation class. * @return int|float. */ public function get_element_base_padding( $element_orientation_class = '' ) { $fusion_element_grid_padding = 0.8; $masonry_element_padding = [ 'fusion-element-grid' => $fusion_element_grid_padding, 'fusion-element-landscape' => $fusion_element_grid_padding / 2, 'fusion-element-portrait' => $fusion_element_grid_padding * 2, ]; if ( isset( $masonry_element_padding[ $element_orientation_class ] ) ) { $fusion_element_grid_padding = $masonry_element_padding[ $element_orientation_class ]; } return $fusion_element_grid_padding; } /** * Filters element orientation class, based on image meta. * * @since 1.5 * @param string $element_class Orientation class. * @param int $attachment_id ID of attachment image. * @return string Orientation class. */ public function adjust_masonry_element_class( $element_class, $attachment_id = '' ) { if ( '' !== $attachment_id ) { $image_meta_layout = get_post_meta( $attachment_id, 'fusion_masonry_element_layout', true ); if ( $image_meta_layout && '' !== $image_meta_layout ) { $element_class = $image_meta_layout; } } return $element_class; } /** * Add Image meta fields * * @param array $form_fields Fields to include in attachment form. * @param object $post Attachment record in database. * @return array $form_fields Modified form fields. */ public function add_image_meta_fields( $form_fields, $post ) { if ( wp_attachment_is_image( $post->ID ) ) { $image_layout = '' !== get_post_meta( $post->ID, 'fusion_masonry_element_layout', true ) ? sanitize_text_field( get_post_meta( $post->ID, 'fusion_masonry_element_layout', true ) ) : ''; $form_fields['fusion_masonry_element_layout'] = [ 'label' => __( 'Masonry Image Layout', 'Avada' ), 'input' => 'html', 'html' => '', 'helps' => __( 'Set layout which will be used when image is displayed in masonry.', 'Avada' ), ]; } return $form_fields; } /** * Save values of Photographer Name and URL in media uploader * * @param array $post The post data for database. * @param array $attachment Attachment fields from $_POST form. * @return array $post Modified post data. */ public function save_image_meta_fields( $post, $attachment ) { if ( wp_attachment_is_image( $post['ID'] ) ) { if ( isset( $attachment['fusion_masonry_element_layout'] ) ) { if ( '' !== $attachment['fusion_masonry_element_layout'] ) { update_post_meta( $post['ID'], 'fusion_masonry_element_layout', $attachment['fusion_masonry_element_layout'] ); } else { delete_post_meta( $post['ID'], 'fusion_masonry_element_layout' ); } } } return $post; } /** * Style image meta fields. */ public function style_image_meta_fields() { global $pagenow; if ( 'post.php' === $pagenow && wp_attachment_is_image( get_the_ID() ) ) { echo ''; } } /** * Removes dynamically created thumbnails. * * @since 1.6 * * @param array $data Array of updated attachment meta data. * @param int $attachment_id Attachment post ID. * * @return array $data Array of updated attachment meta data. */ public function remove_dynamically_generated_images( $data, $attachment_id ) { if ( ! isset( $data['image_meta']['resized_images']['fusion-500'] ) ) { $this->delete_resized_images( $attachment_id, [ 'fusion-500' ] ); } return $data; } /** * Return placeholder image for given dimensions * * @static * @access public * @since 1.8.0 * @param int $width Width of real image. * @param int $height Height of real image. * * @return string Placeholder html string. */ public static function get_lazy_placeholder( $width = 0, $height = 0 ) { $placeholder = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=='; if ( isset( $width ) && isset( $height ) && $width && $height ) { $width = (int) $width; $height = (int) $height; return 'data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27' . $width . '%27%20height%3D%27' . $height . '%27%20viewBox%3D%270%200%20' . $width . '%20' . $height . '%27%3E%3Crect%20width%3D%27' . $width . '%27%20height%3D%273' . $height . '%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E'; } return apply_filters( 'fusion_library_lazy_placeholder', $placeholder, $width, $height ); } /** * Filter attributes for the current gallery image tag to add a 'data-full' * data attribute. * * @access public * @param array $atts Gallery image tag attributes. * @param mixed $attachment WP_Post object for the attachment or attachment ID. * @return array (maybe) filtered gallery image tag attributes. * @since 1.8.0 */ public function lazy_load_attributes( $atts, $attachment ) { if ( $this->is_lazy_load_enabled() ) { $replaced_atts = $atts; if ( ! isset( $atts['class'] ) ) { $replaced_atts['class'] = 'lazyload'; } elseif ( false !== strpos( $atts['class'], 'lazyload' ) || false !== strpos( $atts['class'], 'rev-slidebg' ) || false !== strpos( $atts['class'], 'ls-' ) || false !== strpos( $atts['class'], 'attachment-portfolio' ) ) { return $atts; } else { $replaced_atts['class'] .= ' lazyload'; } if ( isset( $atts['data-ls'] ) ) { return $atts; } // Get image dimensions. $image_id = is_object( $attachment ) ? $attachment->ID : $attachment; $meta_data = wp_get_attachment_metadata( $image_id ); $width = isset( $meta_data['width'] ) ? $meta_data['width'] : 0; $height = isset( $meta_data['height'] ) ? $meta_data['height'] : 0; // No meta data, but we do have width and height set on tag. $width = ! $width && isset( $atts['width'] ) ? $atts['width'] : $width; $height = ! $height && isset( $atts['height'] ) ? $atts['height'] : $height; $replaced_atts['data-orig-src'] = $atts['src']; if ( isset( $atts['srcset'] ) ) { $replaced_atts['srcset'] = self::get_lazy_placeholder( $width, $height ); $replaced_atts['data-srcset'] = $atts['srcset']; $replaced_atts['data-sizes'] = 'auto'; } else { $replaced_atts['src'] = self::get_lazy_placeholder( $width, $height ); } unset( $replaced_atts['sizes'] ); return $replaced_atts; } return $atts; } /** * Filter markup for lazy loading. * * @since 1.8.0 * * @param string $html The post thumbnail HTML. * @param int $post_id The post ID. * @param string $post_thumbnail_id The post thumbnail ID. * @param string|array $size The post thumbnail size. Image size or array of width and height * values (in that order). Default 'post-thumbnail'. * @param string $attr Query string of attributes. * @return string The html markup of the image. */ public function apply_lazy_loading( $html, $post_id = null, $post_thumbnail_id = null, $size = null, $attr = null ) { if ( $this->is_lazy_load_enabled() && false === strpos( $html, 'lazyload' ) && false === strpos( $html, 'rev-slidebg' ) && false === strpos( $html, 'fusion-gallery-image-size-fixed' ) ) { $src = ''; $width = 0; $height = 0; // Get the image data from src. if ( $post_thumbnail_id && 'full' === $size ) { $full_image_src = wp_get_attachment_image_src( $post_thumbnail_id, 'full' ); // If image found, use the dimensions and src of image. if ( is_array( $full_image_src ) ) { $src = isset( $full_image_src[0] ) ? $full_image_src[0] : $src; $width = isset( $full_image_src[1] ) ? $full_image_src[1] : $width; $height = isset( $full_image_src[2] ) ? $full_image_src[2] : $height; } } else { // Get src from markup. preg_match( '@src="([^"]+)"@', $html, $src ); if ( array_key_exists( 1, $src ) ) { $src = $src[1]; } else { $src = ''; } // Get dimensions from markup. preg_match( '/width="(.*?)"/', $html, $width ); if ( array_key_exists( 1, $width ) ) { preg_match( '/height="(.*?)"/', $html, $height ); if ( array_key_exists( 1, $height ) ) { $width = $width[1]; $height = $height[1]; } } elseif ( $src && '' !== $src ) { // No dimensions on tag, try to get from image url. $full_image_src = $this->get_attachment_data_from_url( $src ); if ( is_array( $full_image_src ) ) { $width = isset( $full_image_src['width'] ) ? $full_image_src['width'] : $width; $height = isset( $full_image_src['height'] ) ? $full_image_src['height'] : $height; } } } // If src is a data image, just skip. if ( false !== strpos( $src, 'data:image' ) ) { return $html; } // Srcset replacement. if ( strpos( $html, 'srcset' ) ) { $html = str_replace( [ ' src=', ' srcset=', ' sizes=', ], [ ' src="' . $src . '" data-orig-src=', ' srcset="' . self::get_lazy_placeholder( $width, $height ) . '" data-srcset=', ' data-sizes="auto" data-orig-sizes=', ], $html ); } else { // Simplified non srcset replacement. $html = str_replace( ' src=', ' src="' . self::get_lazy_placeholder( $width, $height ) . '" data-orig-src=', $html ); } if ( strpos( $html, ' class=' ) ) { $html = str_replace( ' class="', ' class="lazyload ', $html ); } else { $html = str_replace( 'is_lazy_load_enabled() ) { preg_match_all( '/]*src="([^"]*)"[^>]*>/isU', $content, $images ); if ( array_key_exists( 1, $images ) ) { foreach ( $images[0] as $key => $image ) { $orig = $image; $image = $this->apply_lazy_loading( $image ); // Replace image. $content = str_replace( $orig, $image, $content ); } } } return $content; } /** * Disable lazy loading for slider revolution images. * * @since 1.8.1 * * @param string $html Full html string. * @param string $content Non stripped original content. * @param object $slider Slider. * @param object $slide Individual slide. * @param string $layer Individual layer. * @return string Altered html markup. */ public function prevent_rev_lazy_loading( $html, $content, $slider, $slide, $layer ) { if ( $this->is_lazy_load_enabled() ) { preg_match_all( '/]*src="([^"]*)"[^>]*>/isU', $html, $images ); if ( array_key_exists( 1, $images ) ) { foreach ( $images[0] as $key => $image ) { $orig = $image; $image = $this->prevent_lazy_loading( $image ); // Replace image. $html = str_replace( $orig, $image, $html ); } } } return $html; } /** * Prevent layerslider lazy loading. * * @since 1.8.1 * * @param string $html The HTML code that contains the slider markup. * @param array $slider The slider database record as an associative array. * @param string $id The ID attribute of the slider element. * @return string Altered html markup. */ public function prevent_ls_lazy_loading( $html, $slider = false, $id = false ) { if ( $this->is_lazy_load_enabled() ) { preg_match_all( '/]*src="([^"]*)"[^>]*>/isU', $html, $images ); if ( array_key_exists( 1, $images ) ) { foreach ( $images[0] as $key => $image ) { $orig = $image; $image = $this->prevent_lazy_loading( $image ); // Replace image. $html = str_replace( $orig, $image, $html ); } } } return $html; } /** * Filter markup to prevent lazyloading. * * @since 1.8.0 * * @param string $html The post thumbnail HTML. * @return string The html markup of the image. */ public function prevent_lazy_loading( $html ) { if ( $this->is_lazy_load_enabled() && ! strpos( $html, 'disable-lazyload' ) ) { if ( strpos( $html, ' class=' ) ) { $html = str_replace( ' class="', ' class="disable-lazyload ', $html ); } else { $html = str_replace( 'is_lazy_load_enabled() ) { Fusion_Dynamic_JS::enqueue_script( 'lazysizes' ); } } /** * Determine if we want to lazy-load images or not. * * @access public * @since 1.8.1 * @return bool */ public function is_lazy_load_enabled() { return ( self::$lazy_load && ! Fusion_AMP::is_amp_endpoint() && ! is_admin() ); } /** * Maps the old image size names to the new ones. * * @access public * @since 2.2 * @param array $data An array of the image-sizes data. * @param int $post_id The post-ID. * @return array */ public function map_old_image_size_names( $data, $post_id ) { $old_sizes = [ 200, 400, 600, 800, 1200 ]; foreach ( $old_sizes as $size ) { if ( isset( $data['sizes'][ $size ] ) ) { $data['sizes'][ 'fusion-' . $size ] = $data['sizes'][ $size ]; unset( $data['sizes'][ $size ] ); } } return $data; } } /* Omit closing PHP tag to avoid "Headers already sent" issues. */