moving to the new style of calling taxonomy

This topic has 3 replies, 2 voices, and was last updated 6 years, 4 months ago by Anh Tran.

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May 9, 2017 at 10:56 PM #5813

cornwallcollege
Participant

Hi We've been using the plugin for a few years now so a lot of our code uses the old way of handling Taxonomy
$tax_list = rwmb_meta( '', 'type=taxonomy&taxonomy=stuff' );
Been trying to convert the code to see if it fixes a 'property of non-object' problem that has appeared since upgrading to the latest version of metabox.
We are finding that if we use the new simple format:
$tax_list = rwmb_meta( 'stuff' );
nothing is being returned if we try to use it or even print out the array.

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May 12, 2017 at 9:37 AM #5842
Anh Tran
Keymaster
Hi Matt,

The problem is previously you might use this code to register meta boxes:
```
add_action( 'admin_init', 'prefix_register' );
function prefix_register() {
    // Some code here
}
```
Or something like this:
```
if ( is_admin() ) {
    add_action( 'rwmb_meta_boxes', 'prefix_register' );
    function prefix_register( $meta_boxes ) {
        // Some code here
    }
}
```
It's required to switch to simpler syntax like this:
```
add_action( 'rwmb_meta_boxes', 'prefix_register' );
function prefix_register( $meta_boxes ) {
    // Some code here
}
```
in order to make the rwmb_meta work.

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May 12, 2017 at 4:25 PM #5846
cornwallcollege
Participant
Thanks for your reply.

I changed:
```
add_action( 'init', 'course_register_meta_boxes' );
function course_register_meta_boxes( $meta_boxes ){
add_filter( 'rwmb_meta_boxes', 'course_register_meta_boxes' );
```
to:
```
add_action( 'rwmb_meta_boxes', 'course_register_meta_boxes' );
function course_register_meta_boxes( $meta_boxes ){
add_filter( 'rwmb_meta_boxes', 'course_register_meta_boxes' );
```
and converted the calls to the new style, but still not outputting anything.
Anything else I need to check?

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May 13, 2017 at 2:34 PM #5852
Anh Tran
Keymaster
Looks like your code is duplicated somehow, please try:
```
add_action( 'rwmb_meta_boxes', 'course_register_meta_boxes' );
function course_register_meta_boxes( $meta_boxes ){
    $meta_boxes[] = ...
    return $meta_boxes;
}
```
Also, please check if that code is loaded before init hook.

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