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Source View: get_categories_taxonomy

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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
34  * @link http://codex.wordpress.org/Function_Reference/get_categories
35  *
36  * @param string|array $args Optional. Change the defaults retrieving categories.
37  * @return array List of categories.
38  */
39 function &get_categories( $args = '' ) {
40      $defaults = array( 'taxonomy' => 'category' );
41      $args = wp_parse_args( $args, $defaults );
42
43      $taxonomy = apply_filters( 'get_categories_taxonomy', $args['taxonomy'], $args );
44
45      // Back compat
46      if ( isset($args['type']) && 'link' == $args['type'] ) {
47           _deprecated_argument( __FUNCTION__, '3.0', '' );
48           $taxonomy = $args['taxonomy'] = 'link_category';
49      }
50
51      $categories = (array) get_terms( $taxonomy, $args );
52