在发布元数据框中显示不可编辑的附件元数据。

function attachment_submitbox_metadata() {
	$post          = get_post();
	$attachment_id = $post->ID;

	$file     = get_attached_file( $attachment_id );
	$filename = esc_html( wp_basename( $file ) );

	$media_dims = '';
	$meta       = wp_get_attachment_metadata( $attachment_id );

	if ( isset( $meta['width'], $meta['height'] ) ) {
		$media_dims .= "{$meta['width']} × {$meta['height']} ";
	}
	/** This filter is documented in wp-admin/includes/media.php */
	$media_dims = apply_filters( 'media_meta', $media_dims, $post );

	$att_url = wp_get_attachment_url( $attachment_id );

	$author = new WP_User( $post->post_author );

	$uploaded_by_name = __( '(no author)' );
	$uploaded_by_link = '';

	if ( $author->exists() ) {
		$uploaded_by_name = $author->display_name ? $author->display_name : $author->nickname;
		$uploaded_by_link = get_edit_user_link( $author->ID );
	}
	?>
	

		
		
		


	post_parent ) {
		$post_parent = get_post( $post->post_parent );
		if ( $post_parent ) {
			$uploaded_to_title = $post_parent->post_title ? $post_parent->post_title : __( '(no title)' );
			$uploaded_to_link  = get_edit_post_link( $post->post_parent, 'raw' );
			?>
			

				
				
				

			

		
		
			
			
		
	
	

		
	
	

		
		ID ), $matches ) ) {
			echo esc_html( strtoupper( $matches[1] ) );
			list( $mime_type ) = explode( '/', $post->post_mime_type );
			if ( 'image' !== $mime_type && ! empty( $meta['mime_type'] ) ) {
				if ( "$mime_type/" . strtolower( $matches[1] ) !== $meta['mime_type'] ) {
					echo ' (' . $meta['mime_type'] . ')';
				}
			}
		} else {
			echo strtoupper( str_replace( 'image/', '', $post->post_mime_type ) );
		}

		?>
		
	

	

			
		
		post_mime_type ) ) {
		$fields = array(
			'length_formatted' => __( 'Length:' ),
			'bitrate'          => __( 'Bitrate:' ),
		);

		/**
		 * Filters the audio and video metadata fields to be shown in the publish meta box.
		 *
		 * The key for each item in the array should correspond to an attachment
		 * metadata key, and the value should be the desired label.
		 *
		 * @since 3.7.0
		 * @since 4.9.0 Added the `$post` parameter.
		 *
		 * @param array   $fields An array of the attachment metadata keys and labels.
		 * @param WP_Post $post   WP_Post object for the current attachment.
		 */
		$fields = apply_filters( 'media_submitbox_misc_sections', $fields, $post );

		foreach ( $fields as $key => $label ) {
			if ( empty( $meta[ $key ] ) ) {
				continue;
			}

			?>
			

				
				
			
			 __( 'Audio Format:' ),
			'codec'      => __( 'Audio Codec:' ),
		);

		/**
		 * Filters the audio attachment metadata fields to be shown in the publish meta box.
		 *
		 * The key for each item in the array should correspond to an attachment
		 * metadata key, and the value should be the desired label.
		 *
		 * @since 3.7.0
		 * @since 4.9.0 Added the `$post` parameter.
		 *
		 * @param array   $fields An array of the attachment metadata keys and labels.
		 * @param WP_Post $post   WP_Post object for the current attachment.
		 */
		$audio_fields = apply_filters( 'audio_submitbox_misc_sections', $fields, $post );

		foreach ( $audio_fields as $key => $label ) {
			if ( empty( $meta['audio'][ $key ] ) ) {
				continue;
			}

			?>
			

				
			
			

			
		
		

			
				
		
		<?php }
}