wp-includes/embed-template.php

   1 <?php
   2 /**
   3  * Contains the post embed template.
   4  *
   5  * When a post is embedded in an iframe, this file is used to
   6  * create the output.
   7  *
   8  * @package WordPress
   9  * @subpackage oEmbed
  10  * @since 4.4.0
  11  */
  12
  13 if ( ! headers_sent() ) {
  14         header( 'X-WP-embed: true' );
  15 }
  16
  17 ?>
  18 <!DOCTYPE html>
  19 <html <?php language_attributes(); ?> class="no-js">
  20 <head>
  21         <title><?php echo wp_get_document_title(); ?></title>
  22         <meta http-equiv="X-UA-Compatible" content="IE=edge">
  23         <?php
  24         /**
  25          * Print scripts or data in the embed template <head> tag.
  26          *
  27          * @since 4.4.0
  28          */
  29         do_action( 'embed_head' );
  30         ?>
  31 </head>
  32 <body <?php body_class(); ?>>
  33 <?php
  34 if ( have_posts() ) :
  35         while ( have_posts() ) : the_post();
  36                 // Add post thumbnail to response if available.
  37                 $thumbnail_id = false;
  38
  39                 if ( has_post_thumbnail() ) {
  40                         $thumbnail_id = get_post_thumbnail_id();
  41                 }
  42
  43                 if ( 'attachment' === get_post_type() && wp_attachment_is_image() ) {
  44                         $thumbnail_id = get_the_ID();
  45                 }
  46
  47                 if ( $thumbnail_id ) {
  48                         $aspect_ratio = 1;
  49                         $measurements = array( 1, 1 );
  50                         $image_size   = 'full'; // Fallback.
  51
  52                         $meta = wp_get_attachment_metadata( $thumbnail_id );
  53                         if ( is_array( $meta ) ) {
  54                                 foreach ( $meta['sizes'] as $size => $data ) {
  55                                         if ( $data['width'] / $data['height'] > $aspect_ratio ) {
  56                                                 $aspect_ratio = $data['width'] / $data['height'];
  57                                                 $measurements = array( $data['width'], $data['height'] );
  58                                                 $image_size   = $size;
  59                                         }
  60                                 }
  61                         }
  62
  63                         /**
  64                          * Filter the thumbnail image size for use in the embed template.
  65                          *
  66                          * @since 4.4.0
  67                          *
  68                          * @param string $image_size Thumbnail image size.
  69                          */
  70                         $image_size = apply_filters( 'embed_thumbnail_image_size', $image_size );
  71
  72                         $shape = $measurements[0] / $measurements[1] >= 1.75 ? 'rectangular' : 'square';
  73
  74                         /**
  75                          * Filter the thumbnail shape for use in the embed template.
  76                          *
  77                          * Rectangular images are shown above the title
  78                          * while square images are shown next to the content.
  79                          *
  80                          * @since 4.4.0
  81                          *
  82                          * @param string $shape Thumbnail image shape. Either 'rectangular' or 'square'.
  83                          */
  84                         $shape = apply_filters( 'embed_thumbnail_image_shape', $shape );
  85                 }
  86                 ?>
  87                 <div <?php post_class( 'wp-embed' ); ?>>
  88                         <?php if ( $thumbnail_id && 'rectangular' === $shape ) : ?>
  89                                 <div class="wp-embed-featured-image rectangular">
  90                                         <a href="<?php the_permalink(); ?>" target="_top">
  91                                                 <?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
  92                                         </a>
  93                                 </div>
  94                         <?php endif; ?>
  95
  96                         <p class="wp-embed-heading">
  97                                 <a href="<?php the_permalink(); ?>" target="_top">
  98                                         <?php the_title(); ?>
  99                                 </a>
 100                         </p>
 101
 102                         <?php if ( $thumbnail_id && 'square' === $shape ) : ?>
 103                                 <div class="wp-embed-featured-image square">
 104                                         <a href="<?php the_permalink(); ?>" target="_top">
 105                                                 <?php echo wp_get_attachment_image( $thumbnail_id, $image_size ); ?>
 106                                         </a>
 107                                 </div>
 108                         <?php endif; ?>
 109
 110                         <div class="wp-embed-excerpt"><?php the_excerpt_embed(); ?></div>
 111
 112                         <?php
 113                         /**
 114                          * Print additional content after the embed excerpt.
 115                          *
 116                          * @since 4.4.0
 117                          */
 118                         do_action( 'embed_content' );
 119                         ?>
 120
 121                         <div class="wp-embed-footer">
 122                                 <div class="wp-embed-site-title">
 123                                         <?php
 124                                         $site_title = sprintf(
 125                                                 '<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>',
 126                                                 esc_url( home_url() ),
 127                                                 esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
 128                                                 esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
 129                                                 esc_html( get_bloginfo( 'name' ) )
 130                                         );
 131
 132                                         /**
 133                                          * Filter the site title HTML in the embed footer.
 134                                          *
 135                                          * @since 4.4.0
 136                                          *
 137                                          * @param string $site_title The site title HTML.
 138                                          */
 139                                         echo apply_filters( 'embed_site_title_html', $site_title );
 140                                         ?>
 141                                 </div>
 142
 143                                 <div class="wp-embed-meta">
 144                                         <?php
 145                                         /**
 146                                          * Print additional meta content in the embed template.
 147                                          *
 148                                          * @since 4.4.0
 149                                          */
 150                                         do_action( 'embed_content_meta');
 151                                         ?>
 152                                 </div>
 153                         </div>
 154                 </div>
 155                 <?php
 156         endwhile;
 157 else :
 158         ?>
 159         <div class="wp-embed">
 160                 <p class="wp-embed-heading"><?php _e( 'Oops! That embed can&#8217;t be found.' ); ?></p>
 161
 162                 <div class="wp-embed-excerpt">
 163                         <p>
 164                                 <?php
 165                                 printf(
 166                                         /* translators: %s: a link to the embedded site */
 167                                         __( 'It looks like nothing was found at this location. Maybe try visiting %s directly?' ),
 168                                         '<strong><a href="' . esc_url( home_url() ) . '">' . esc_html( get_bloginfo( 'name' ) ) . '</a></strong>'
 169                                 );
 170                                 ?>
 171                         </p>
 172                 </div>
 173
 174                 <div class="wp-embed-footer">
 175                         <div class="wp-embed-site-title">
 176                                 <?php
 177                                 $site_title = sprintf(
 178                                         '<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>',
 179                                         esc_url( home_url() ),
 180                                         esc_url( get_site_icon_url( 32, admin_url( 'images/w-logo-blue.png' ) ) ),
 181                                         esc_url( get_site_icon_url( 64, admin_url( 'images/w-logo-blue.png' ) ) ),
 182                                         esc_html( get_bloginfo( 'name' ) )
 183                                 );
 184
 185                                 /** This filter is documented in wp-includes/embed-template.php */
 186                                 echo apply_filters( 'embed_site_title_html', $site_title );
 187                                 ?>
 188                         </div>
 189                 </div>
 190         </div>
 191         <?php
 192 endif;
 193
 194 /**
 195  * Print scripts or data before the closing body tag in the embed template.
 196  *
 197  * @since 4.4.0
 198  */
 199 do_action( 'embed_footer' );
 200 ?>
 201 </body>
 202 </html>