Functions.php not recognizing add_meta_box
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I upgraded to 3.0 this morning and decided to experiment with the new custom post types and custom meta boxes. The custom post types have gone great, but I am having a hard time getting the meta boxes to show up.
A few minutes ago I found what I think is the cause of all my problems, but I don’t know why it’s happening. I did a simple if/else with function_exists( ‘add_meta_box’) and it’s coming back false.
Is there a reason why WordPress would not be recognizing this function?
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None that I know of. All I can suggest is that you try this using the Twentyten theme with all plugins deactivated in case something else is causing a problem.
I’m having the same problem, even with all plugins turned off. Code is below:
add_action('init', 'wpv_custom_post_types'); function wpv_custom_post_types() { $labels = array( 'name' => _x('Cards', 'post type general name'), 'singular_name' => _x('Card', 'post type singular name'), 'add_new' => _x('Add New', 'card'), 'add_new_item' => __('Add New Card'), 'edit_item' => __('Edit Card'), 'new_item' => __('New Card'), 'view_item' => __('View Card'), 'search_items' => __('Search Cards'), 'not_found' => __('No cards found'), 'not_found_in_trash' => __('No cards found in Trash'), 'parent_item_colon' => '' ); $args = array( 'labels' => $labels, 'public' => true, 'publicly_queryable' => false, 'show_ui' => true, 'query_var' => true, 'rewrite' => true, 'capability_type' => 'post', 'hierarchical' => false, 'menu_position' => null, 'supports' => array('title','editor','author','thumbnail') ); register_post_type('card',$args); }; add_meta_box('wpv_custom_post_types','Card Options','wpv_custom_post_types','card','side','low');
I have exactly the same problem. Is there no solution so far?
Error message:
Fatal error: Call to undefined function add_meta_box() in /www/htdocs/w00cccaf/wordpress/wp-content/themes/twentyten/functions.php on line 584I have the exact same problem, too. I just get a blank screen in the admin backend.
I just figured it out. This code works as either a plugin or in your functions.php:
add_action('init', 'jtd_custom_post_types'); function jtd_custom_post_types() { $labels = array( 'name' => _x('Cards', 'post type general name'), 'singular_name' => _x('Card', 'post type singular name'), 'add_new' => _x('Add New', 'card'), 'add_new_item' => __('Add New Card'), 'edit_item' => __('Edit Card'), 'new_item' => __('New Card'), 'view_item' => __('View Card'), 'search_items' => __('Search Cards'), 'not_found' => __('No cards found'), 'not_found_in_trash' => __('No cards found in Trash'), 'parent_item_colon' => '' ); $args = array( 'labels' => $labels, 'menu_position' => 30, 'public' => true, 'query_var' => true, 'supports' => array( 'title', 'editor', 'comments', 'revisions', 'author', 'excerpt', 'custom-fields', 'page-attributes', 'thumbnail' ), 'rewrite' => array( 'slug' => 'provider', 'with_front' => false ), 'taxonomies' => array( 'post_tag', 'category'), ); register_post_type('card',$args); }; // This function tells WP to add a new "meta box" function add_some_box() { add_meta_box( 'ozh', // id of the <div> we'll add 'My Box', //title 'add_something_in_the_box', // callback function that will echo the box content 'card' // where to add the box: on "post", "page", or "link" page ); } // This function echoes the content of our meta box function add_something_in_the_box() { echo "I'm living in a box"; } // Hook things in, late enough so that add_meta_box() is defined if (is_admin()) add_action('admin_menu', 'add_some_box');
Thanks! Worked perfectly.
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