Source View: wp_get_attachment_id3_keys

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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
2189      /**
2190       * Filters the editable list of keys to look up data from an attachment's metadata.
2191       *
2192       * @since 3.9.0
2193       *
2194       * @param array   $fields     Key/value pairs of field keys to labels.
2195       * @param WP_Post $attachment Attachment object.
2196       * @param string  $context    The context. Accepts 'edit', 'display'. Default 'display'.
2197       */
2198      return apply_filters( 'wp_get_attachment_id3_keys', $fields, $attachment, $context );
2199 }
2200 /**
2201  * Builds the Audio shortcode output.
2202  *
2203  * This implements the functionality of the Audio Shortcode for displaying
2204  * WordPress mp3s in a post.
2205  *
2206  * @since 3.6.0
2207  *