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[autoinstalls/wordpress.git] / wp-includes / embed-template.php
diff --git a/wp-includes/embed-template.php b/wp-includes/embed-template.php
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+<?php
+/**
+ * Contains the post embed template.
+ *
+ * When a post is embedded in an iframe, this file is used to
+ * create the output.
+ *
+ * @package WordPress
+ * @subpackage oEmbed
+ * @since 4.4.0
+ */
+
+if ( ! headers_sent() ) {
+       header( 'X-WP-embed: true' );
+}
+
+?>
+<!DOCTYPE html>
+<html <?php language_attributes(); ?> class="no-js">
+<head>
+       <title><?php echo wp_get_document_title(); ?></title>
+       <meta http-equiv="X-UA-Compatible" content="IE=edge">
+       <?php
+       /**
+        * Print scripts or data in the embed template <head> tag.
+        *
+        * @since 4.4.0
+        */
+       do_action( 'embed_head' );
+       ?>
+</head>
+<body <?php body_class(); ?>>
+<?php
+if ( have_posts() ) :
+       while ( have_posts() ) : the_post();
+               // Add post thumbnail to response if available.
+               $thumbnail_id = false;
+
+               if ( has_post_thumbnail() ) {
+                       $thumbnail_id = get_post_thumbnail_id();
+               }
+
+               if ( 'attachment' === get_post_type() && wp_attachment_is_image() ) {
+                       $thumbnail_id = get_the_ID();
+               }
+
+               if ( $thumbnail_id ) {
+                       $aspect_ratio = 1;
+                       $measurements = array( 1, 1 );
+                       $image_size   = 'full'; // Fallback.
+
+                       $meta = wp_get_attachment_metadata( $thumbnail_id );
+                       if ( is_array( $meta ) ) {
+                               foreach ( $meta['sizes'] as $size => $data ) {
+                                       if ( $data['width'] / $data['height'] > $aspect_ratio ) {
+                                               $aspect_ratio = $data['width'] / $data['height'];
+                                               $measurements = array( $data['width'], $data['height'] );
+                                               $image_size   = $size;
+                                       }
+                               }
+                       }
+
+                       /**
+                        * Filter the thumbnail image size for use in the embed template.
+                        *
+                        * @since 4.4.0
+                        *
+                        * @param string $image_size Thumbnail image size.
+                        */
+                       $image_size = apply_filters( 'embed_thumbnail_image_size', $image_size );
+
+                       $shape = $measurements[0] / $measurements[1] >= 1.75 ? 'rectangular' : 'square';
+
+                       /**
+                        * Filter the thumbnail shape for use in the embed template.
+                        *
+                        * Rectangular images are shown above the title
+                        * while square images are shown next to the content.
+                        *
+                        * @since 4.4.0
+                        *
+                        * @param string $shape Thumbnail image shape. Either 'rectangular' or 'square'.
+                        */
+                       $shape = apply_filters( 'embed_thumbnail_image_shape', $shape );
+               }
+               ?>
+               <div <?php post_class( 'wp-embed' ); ?>>
+                       <?php if ( $thumbnail_id && 'rectangular' === $shape ) : ?>
+                               <div class="wp-embed-featured-image rectangular">
+                                       <a href="<?php the_permalink(); ?>" target="_top">
+                                               <?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
+                                       </a>
+                               </div>
+                       <?php endif; ?>
+
+                       <p class="wp-embed-heading">
+                               <a href="<?php the_permalink(); ?>" target="_top">
+                                       <?php the_title(); ?>
+                               </a>
+                       </p>
+
+                       <?php if ( $thumbnail_id && 'square' === $shape ) : ?>
+                               <div class="wp-embed-featured-image square">
+                                       <a href="<?php the_permalink(); ?>" target="_top">
+                                               <?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
+                                       </a>
+                               </div>
+                       <?php endif; ?>
+
+                       <div class="wp-embed-excerpt"><?php the_excerpt_embed(); ?></div>
+
+                       <?php
+                       /**
+                        * Print additional content after the embed excerpt.
+                        *
+                        * @since 4.4.0
+                        */
+                       do_action( 'embed_content' );
+                       ?>
+
+                       <div class="wp-embed-footer">
+                               <div class="wp-embed-site-title">
+                                       <?php
+                                       $site_title = sprintf(
+                                               '<a href="%s" target="_top"><img src="%s" srcset="%s 2x" width="32" height="32" alt="" class="wp-embed-site-icon"/><span>%s</span></a>',
+                                               esc_url( home_url() ),
+                                               esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
+                                               esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
+                                               esc_html( get_bloginfo( 'name' ) )
+                                       );
+
+                                       /**
+                                        * Filter the site title HTML in the embed footer.
+                                        *
+                                        * @since 4.4.0
+                                        *
+                                        * @param string $site_title The site title HTML.
+                                        */
+                                       echo apply_filters( 'embed_site_title_html', $site_title );
+                                       ?>
+                               </div>
+
+                               <div class="wp-embed-meta">
+                                       <?php
+                                       /**
+                                        * Print additional meta content in the embed template.
+                                        *
+                                        * @since 4.4.0
+                                        */
+                                       do_action( 'embed_content_meta');
+                                       ?>
+                               </div>
+                       </div>
+               </div>
+               <?php
+       endwhile;
+else :
+       ?>
+       <div class="wp-embed">
+               <p class="wp-embed-heading"><?php _e( 'Oops! That embed can&#8217;t be found.' ); ?></p>
+
+               <div class="wp-embed-excerpt">
+                       <p>
+                               <?php
+                               printf(
+                                       /* translators: %s: a link to the embedded site */
+                                       __( 'It looks like nothing was found at this location. Maybe try visiting %s directly?' ),
+                                       '<strong><a href="' . esc_url( home_url() ) . '">' . esc_html( get_bloginfo( 'name' ) ) . '</a></strong>'
+                               );
+                               ?>
+                       </p>
+               </div>
+
+               <div class="wp-embed-footer">
+                       <div class="wp-embed-site-title">
+                               <?php
+                               $site_title = sprintf(
+                                       '<a href="%s" target="_top"><img src="%s" srcset="%s 2x" width="32" height="32" alt="" class="wp-embed-site-icon"/><span>%s</span></a>',
+                                       esc_url( home_url() ),
+                                       esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
+                                       esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
+                                       esc_html( get_bloginfo( 'name' ) )
+                               );
+
+                               /** This filter is documented in wp-includes/embed-template.php */
+                               echo apply_filters( 'embed_site_title_html', $site_title );
+                               ?>
+                       </div>
+               </div>
+       </div>
+       <?php
+endif;
+
+/**
+ * Print scripts or data before the closing body tag in the embed template.
+ *
+ * @since 4.4.0
+ */
+do_action( 'embed_footer' );
+?>
+</body>
+</html>