Source View: wp_get_attachment_metadata

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
4868      /**
4869       * Filter the attachment meta data.
4870       *
4871       * @since 2.1.0
4872       *
4873       * @param array|bool $data    Array of meta data for the given attachment, or false
4874       *                            if the object does not exist.
4875       * @param int        $post_id Attachment ID.
4876       */
4877      return apply_filters( 'wp_get_attachment_metadata', $data, $post->ID );
4878 }
4879
4880 /**
4881  * Update metadata for an attachment.
4882  *
4883  * @since 2.1.0
4884  *
4885  * @param int   $post_id Attachment ID.
4886  * @param array $data    Attachment data.