Conditional Logic Custom Callback not working for me

This topic has 4 replies, 2 voices, and was last updated 7 years, 5 months ago by bdthemes.

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June 20, 2017 at 1:00 PM #6107

bdthemes
Participant

Hello,

I used this logic: 'visible' => ['orphan_toolbar_check()', true]

Callback Function is:

function orphan_toolbar_check() {
if ( get_theme_mod('orphan_toolbar') ) {
return true;
} else {
return false;
}
}

but it's not working for me, can you help about it?

it's showing this error in console: http://prntscr.com/flv12i (it's showing orphan_toolbar_check is not defined but i already define it)

NOTE: i am using Metabox: 4.10.1 and conditional logic: 1.4.1

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June 20, 2017 at 4:25 PM #6109
Tan Nguyen
Participant
Dear bdthemes,

Conditional Logic works with Javascript callback only, it doesn't works with PHP, however, with PHP, you can check if meet a condition and then register meta box or field, like so:
```
if (get_theme_mod('orphan_toolbar')) {
    $meta_boxes = [
        ...
    ];
}
```
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June 21, 2017 at 2:26 AM #6113
bdthemes
Participant
Hello Nguyen, Thanks for your reply. You told whole metabox in condition but I want to show/hide one field for depend on one customizer setting. So how can do it?

For example:

I want to show/hide toolbar option depend on this customizer field:
```
get_theme_mod( 'orphan_toolbar'); // This return true/false
```
I want visible this metabox field when i get true from get_theme_mod( 'orphan_toolbar'). My field code look like:
```
array(
	'name'	   => 'Toolbar',
	'id'	   => $prefix . "toolbar", 
	'type'     => 'checkbox',
	'desc'     => 'Enable or disable the toolbar for this page.',
	'tab'      => 'layout',
	'visible' => [what condition i need to set for it?],
),
```
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June 21, 2017 at 9:08 AM #6117
Tan Nguyen
Participant
Dear bdthemes,

Here is an example:
```
add_filter( 'rwmb_meta_boxes', 'YOURPREFIX_register_meta_boxes' );

function YOURPREFIX_register_meta_boxes( $meta_boxes ) {
    // Define a meta box
    $meta_box = array(
        'title'      => __( 'Media', 'textdomain' ),
        'post_types' => 'post',
        'fields'     => array(
            array(
                'name' => __( 'URL', 'textdomain' ),
                'id'   => 'url',
                'type' => 'text',
            ),
        )
    );

    // Add new field when condition meets
    if (get_theme_mod( 'orphan_toolbar')) {
        $meta_box['fields'][] = array(
            'name'     => 'Toolbar',
            'id'       => $prefix . "toolbar", 
            'type'     => 'checkbox',
            'desc'     => 'Enable or disable the toolbar for this page.',
            'tab'      => 'layout',
        ),
    }

    // Add the meta box to $meta_boxes array to register
    $meta_boxes[] = $meta_box;
}
```
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June 22, 2017 at 1:59 AM #6143

bdthemes
Participant

I understand it, Thanks for your help 🙂

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