get_current_screen() inside add_action(‘admin_menu’)

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I am successfully using get_current_screen(); to get the post_type to decide whether to manipulate a meta box or not.

I also need to use it in:

add_action('admin_menu', 'infographicMetaBox');

function infographicMetaBox() {
    // ...
    $screen = get_current_screen();
    if('post' != $screen->post_type)
        return;
    // ...
}

however it doesn’t seem to be available in that hook function (maybe being called to early?).

2 Answers
2

I don’t know exactly what you are trying to accomplish but you seem to be dealing with meta boxes. If so there are a number of meta box specific hooks.

do_action('add_meta_boxes', $post_type, $post);
do_action('add_meta_boxes_' . $post_type, $post);

do_action('do_meta_boxes', $post_type, 'normal', $post);
do_action('do_meta_boxes', $post_type, 'advanced', $post);
do_action('do_meta_boxes', $post_type, 'side', $post);

http://core.trac.wordpress.org/browser/tags/3.5.1/wp-admin/edit-form-advanced.php#L165

As well as the admin_head* hooks

do_action("admin_head-$hook_suffix");
do_action('admin_head');

http://core.trac.wordpress.org/browser/tags/3.5.1/wp-admin/admin-header.php#L68

All of which run after global $current_screen is set here: http://core.trac.wordpress.org/browser/tags/3.5.1/wp-admin/admin-header.php#L18

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