OptionTree Category Select Option Type

gistfile1.php

// OptionTree Category Select Option Type

// Example code when being used as a Metabox or
// Exported OptionTree file to be used in Theme Mode

array(
    'id'          => 'spyr_demo_category_select',
    'label'       => __( 'Category Select', 'text-domain' ),
    'desc'        => __( 'Your description', 'text-domain' ),
    'type'        => 'category-select',
    'section'     => 'your_section',
)

// Get the ID value saved on Theme Options Page
$spyr_demo_category_select = ot_get_option( 'spyr_demo_category_select' );

// Get the ID value saved for a Page, Post or CPT ( Within the loop )
$spyr_demo_category_select = get_post_meta( $post->ID, 'spyr_demo_category_select', true );

// Get the Category name
$name = get_the_category_by_ID( $spyr_demo_category_select );

// Get the category description
$cat_desc = category_description( $spyr_demo_category_select );

// Get the Archive link for this category
$link = get_category_link( $spyr_demo_category_select );

// Hide categories with zero posts from the drop down list
add_filter( 'ot_type_category_select_query', 'spyr_ot_type_category_select_hide_cats', 10, 2 );
function spyr_ot_type_category_select_hide_cats( $query, $field_id ) {
    if( 'demo_category_select' == $field_id ) {
        return array_merge( $query, array( 'hide_empty' => true ) );
    }   
}