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Source View: post_thumbnail_size

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Line Code
79  * @since 2.9.0
80  *
81  * @param int $post_id Optional. Post ID.
82  * @param string $size Optional. Image size. Defaults to 'post-thumbnail'.
83  * @param string|array $attr Optional. Query string or array of attributes.
84  */
85 function get_the_post_thumbnail( $post_id = null, $size = 'post-thumbnail', $attr = '' ) {
86      $post_id = ( null === $post_id ) ? get_the_ID() : $post_id;
87      $post_thumbnail_id = get_post_thumbnail_id( $post_id );
88      $size = apply_filters( 'post_thumbnail_size', $size );
89      if ( $post_thumbnail_id ) {
90           do_action( 'begin_fetch_post_thumbnail_html', $post_id, $post_thumbnail_id, $size ); // for "Just In Time" filtering of all of wp_get_attachment_image()'s filters
91           if ( in_the_loop() )
92                update_post_thumbnail_cache();
93           $html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr );
94           do_action( 'end_fetch_post_thumbnail_html', $post_id, $post_thumbnail_id, $size );
95      } else {
96           $html = '';
97      }