You only need one register_setting() call. The rest can be handled internally. I wrote a Settings API tutorial that explains how to do so. Without delving too deeply into the code from the tutorial you linked, just based on the screenshot it appears that the Digital Raindrops code bypasses the standard, WordPress core admin UI … Read more
Try get_blog_option(). It does not use switch_to_blog(), and so introduces much less overhead. https://codex.wordpress.org/Function_Reference/get_blog_option
I don’t have a plugin to point you to off the top of my head, but my general suggestion is this: Store the relevant plugin settings in a single option, as an array. The crux of the reasoning here is that you’re just adding items to a single array, which is auto-keyed, so you can … Read more
Go down the rabbit hole… http://core.trac.wordpress.org/browser/tags/3.3.2/wp-includes/functions.php#L306
$post->id needs to be $post->ID You can also use get_the_ID() Since your calling setup_postdata() you need to call wp_reset_postdata() after your foreach loop. You also need to echo the value of $options somewhere. foreach( $myposts as $post ) : setup_postdata($post); $options .= ‘<option>’; $options .= ‘<option value=”‘.$post->id.'”>’; $options .= get_the_title(); $options .= ‘</option>’; echo $options; … Read more
As per the Codex on update_blog_option: Switches to the blog id specified, runs update_option() and then restores to the current blog. If $refresh is true then it will refresh the blog details. Not tested, but I think your problem is trying to update elements of the array instead of the whole thing: $the_options = get_blog_option($blog_id, … Read more
Use get_the_ID() instead of the_ID(). the_ID() will echo’ed the ID of posting: <option value=”<? the_ID(); ?>” <?php selected(get_the_ID(), $instance[‘post_to_display’]); ?>><?php the_title(); ?></option>
Using WordPress plugin – Search And Replace This is simple WordPress plugin, Does database query to replace any content. This plugin can be used to replace a string ( say – localhost:8888 ) with a new one ( domain.com ) . Direct updating MySQL Database – Or, If you’ve access to MySQL Server you can … Read more
You can use the get_option function on the back-end too. There are several possibilities on how to pass your option value to your script: Use wp_localize_script function to pass PHP values to your script (see WordPress Codex page for this function). Print your option value along with name and name2 values inside a script tag. … Read more
Add a new settings section for the reset button that is called on every tab. In the callback function for the field create the reset button. I would include the submit button here too to get both side by side. In the validation function delete the whole option if the reset button is present in … Read more