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Yes, but that requires some custom code. Here is what I tried:

- In your plugin file or theme's functions.php add this code:

add_action( 'admin_init', 'prefix_custom_post_column', 20 );
function prefix_custom_post_column() {
	require_once 'custom.php';
	new Test_Admin_Columns( 'post', array() );
}

- Create a new file custom.php and enter the following code:

class Test_Admin_Columns extends MB_Admin_Columns_Post {
	public function columns( $columns ) {
		$columns = parent::columns( $columns );

		/**
		 * Add more column in a specific position
		 *
		 * @param string $position New column position. Empty to not specify the position. Could be 'before', 'after' or 'replace'
		 * @param string $target The target column. Used with combination with $position
		 */
		$position = '';
		$target   = '';
		$this->add( $columns, 'column_id', 'Column Title', $position, $target );

		// Add more if you want

		return $columns;
	}

	public function show( $column, $post_id ) {
		switch ( $column ) {
			case 'column_id':
				echo 'Column content';
				break;
			// More columns
		}
	}
}

Note that the call new Test_Admin_Columns( 'post', array() ); is specific for post. You can change it to any custom post type if you want.

Did you set value for $var_options? Here is my test:

<?php
add_filter( 'rwmb_meta_boxes', 'your_prefix_register_meta_boxes' );
function your_prefix_register_meta_boxes( $meta_boxes ) {
    $prefix       = 'mbox_';
    $var_options  = array(
        'a' => 'First option',
        'b' => 'Second option',
    );
    $meta_boxes[] = array(
        'title' => esc_html__( 'Standard Fields', 'your-prefix' ),

        'fields' => array(
            array(
                'name'       => esc_html__( 'Depends of', 'pbc' ),
                'id'         => "{$prefix}depends",
                'type'       => 'group',
                'clone'      => true,
                'sort_clone' => true,
                'fields'     => array(
                    // SELECT BOX VARIATIONS
                    array(
                        'name'        => __( 'Variation', 'pbc' ),
                        'id'          => "{$prefix}depvar",
                        'type'        => 'select',
                        'options'     => $var_options,
                        'multiple'    => false,
                        'std'         => '',
                        'placeholder' => __( 'Select a Variation', 'pbc' ),
                    ),
                ),
            ), //array
        ),
    );

    return $meta_boxes;
}

And here is the result:

http://prntscr.com/bvycei

Hi @jpomranky,

Can you please check the version of the Group extension you're using? I think I fixed this bug in the extension and keep the clone.js file untouched.

Hi Nicolas,

I think you can hook to rwmb_value like this:

add_filter( 'rwmb_value', 'prefix_check_field_change', 20, 3 );
function prefix_check_field_change( $new, $field, $old ) {
    if ( $new !== $old ) {
        // Log
    }
    return $new; // Do not change the value
}

The $contact['phone'] is an array, so you need to loop for it:

// Echo name, email
if ( ! empty( $contact['phone'] ) ) {
    echo '<p><label>', __( 'Phone numbers:', 'textdomain' ), '<label> ';
    foreach ( $contact['phone'] as $k => $phone ) {
        echo $k ? ', ' : '', $phone;
    }
    // Or faster
    echo implode( ', ', $contact['phone'] );
}

Hi @Unce,

The custom fields for terms are displayed when you editing a term. Currently the plugin doesn't support show custom fields in the Add new page.

Let me check that.

Just sent you an email 🙂