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1. Stefan83
   Member
   Posted 6 months ago #

   Hi I have a meta box I'm trying to enable in custom post types but I can't see what's wrong with the following code. Can anyone help?

   Thanks

   function meta_box() {
   	if ( function_exists( 'get_post_types' ) ) {
   		$post_types = get_post_types( array(), 'objects' );
   		foreach ( $post_types as $post_type ) {
   			if ( $post_type->show_ui ) {
   				add_meta_box( 'Publish to twitter', 'twitter', array( 'add_twitter_metabox', 'noindex_option_fill' ), $post_type->name, 'side' );
   				add_meta_box( 'Add to the slider', 'slider', array( 'add_slider_metabox', 'noindex_option_fill' ), $post_type->name, 'side' );
   			}
   		}
   	} else {
   	add_meta_box( 'twitterbox', __('Publish to twitter', 'twitter'), 'add_twitter_metabox', 'post', 'normal', 'high');
   	add_meta_box( 'sliderbox', __('Add to the slider', 'slider'), 'add_slider_metabox', 'post', 'normal', 'high');
   	}
   }

2. Stefan83
   Member
   Posted 6 months ago #

   I get the following error message in the edit post interface: Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'add_metaboxes' was given in /home/undergro/public_html/wp-includes/plugin.php on line 405

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