Role can edit just one page [closed]

Adminimize does not remove menu items etc, it just keeps them visually hidden. In other words, your admin pages is still accessible.

Add this code to your functions.php file:

add_action('admin_menu', 'edit_trustees_page');
function edit_trustees_page() {
    global $submenu;
    $trustees_page_id = 1; //change this value
    $url = get_admin_url() . 'post.php?post=" . $trustees_page_id . "&action=edit';
    $submenu['index.php'][] = array( 'Edit Trustees', 'manage_options', $url ); // replace manage_options with your custom role
}

It will add a new submenu to Dashboard. You can change index.php to any of these:

index.php => Dashboard
edit.php => Posts
upload.php => Media
link-manager.php => Links
edit.php?post_type=page => Pages
edit-comments.php => Comments
themes.php => Appearance
plugins.php => Plugins
users.php => Users
tools.php => Tools
options-general.php => Settings

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