false, 'from_slideshow' => true, 'from_gallery' => true, 'from_attachment' => false, ); $image = Jetpack_PostImages::get_image( $post_id, $args ); if ( ! empty( $image ) ) { $image['width'] = ''; $image['height'] = ''; $image['crop'] = ''; if ( array_key_exists( $size, $_wp_additional_image_sizes ) ) { $image['width'] = $_wp_additional_image_sizes[ $size ]['width']; $image['height'] = $_wp_additional_image_sizes[ $size ]['height']; $image['crop'] = $_wp_additional_image_sizes[ $size ]['crop']; } $image_src = Jetpack_PostImages::fit_image_url( $image['src'], $image['width'], $image['height'] ); // Use the theme's crop setting rather than forcing to true $image_src = add_query_arg( 'crop', $image['crop'], $image_src ); $html = ''; return trim( $html ); } } return trim( $html ); } add_filter( 'post_thumbnail_html', 'jetpack_featured_images_fallback_get_image', 10, 5 ); /** * Get URL of one image from a specified post in the following order: * Featured Image then first image from the_content HTML * * @param int $post_id The post ID to check. * @param int $post_thumbnail_id The ID of the featured image. * @param string $size The image size to return, defaults to 'post-thumbnail'. * * @return string|null $image_src The URL of the thumbnail image. */ function jetpack_featured_images_fallback_get_image_src( $post_id, $post_thumbnail_id, $size ) { $image_src = wp_get_attachment_image_src( $post_thumbnail_id, $size ); $image_src = ( ! empty( $image_src[0] ) ) ? $image_src[0] : null; $opts = jetpack_featured_images_get_settings(); if ( ! empty( $image_src ) || (bool) 1 !== (bool) $opts['fallback-option'] ) { return esc_url( $image_src ); } if ( jetpack_featured_images_should_load() ) { if ( ( true === $opts['archive'] && ( is_home() || is_archive() || is_search() ) && ! $opts['archive-option'] ) || ( true === $opts['post'] && is_single() && ! $opts['post-option'] ) ) { return esc_url( $image_src ); } } if ( class_exists( 'Jetpack_PostImages' ) ) { global $_wp_additional_image_sizes; $args = array( 'from_thumbnail' => false, 'from_slideshow' => true, 'from_gallery' => true, 'from_attachment' => false, ); $image = Jetpack_PostImages::get_image( $post_id, $args ); if ( ! empty( $image ) ) { $image['width'] = ''; $image['height'] = ''; $image['crop'] = ''; if ( array_key_exists( $size, $_wp_additional_image_sizes ) ) { $image['width'] = $_wp_additional_image_sizes[ $size ]['width']; $image['height'] = $_wp_additional_image_sizes[ $size ]['height']; $image['crop'] = $_wp_additional_image_sizes[ $size ]['crop']; } $image_src = Jetpack_PostImages::fit_image_url( $image['src'], $image['width'], $image['height'] ); // Use the theme's crop setting rather than forcing to true $image_src = add_query_arg( 'crop', $image['crop'], $image_src ); return esc_url( $image_src ); } } return esc_url( $image_src ); } /** * Check if post has an image attached, including a fallback. * * @param int $post The post ID to check. * * @return bool */ function jetpack_has_featured_image( $post = null ) { return (bool) get_the_post_thumbnail( $post ); } /** * Adds custom class to the array of post classes. * * @param array $classes Classes for the post element. * @param array $class Optional. Comma separated list of additional classes. * @param array $post_id Unique The post ID to check * * @return array $classes */ function jetpack_featured_images_post_class( $classes, $class, $post_id ) { $post_password_required = post_password_required( $post_id ); $opts = jetpack_featured_images_get_settings(); if ( jetpack_has_featured_image( $post_id ) && (bool) 1 === (bool) $opts['fallback-option'] && ! is_attachment() && ! $post_password_required && 'post' === get_post_type() ) { $classes[] = 'has-post-thumbnail'; } return $classes; } add_filter( 'post_class', 'jetpack_featured_images_post_class', 10, 3 );