gistfile1.txt

/**
 * Retrieve current sidebar ID for a location.
 *
 * @since 2.0.0
 * 
 * @param string $location the location for the sidebar
 * @return string $id the id of the sidebar that should be shown
 */

if( ! function_exists( 'themeblvd_get_sidebar_id' ) ) {
	function themeblvd_get_sidebar_id( $location ) {
		
		// Innitiate assignments
		$assignments = array();
		
		// Get all the sidebars for this location and create
		// a single array of just their assignments
		
		$args = array(
			'post_type' => 'tb_sidebar',
			'numberposts' => -1,
			'meta_key' => 'location',
			'meta_value' => $location
		);

		$custom_sidebars = get_posts( $args );
		if( $custom_sidebars ) {
	    	foreach( $custom_sidebars as $sidebar ){
    			$current_assignments = get_post_meta( $sidebar->ID, 'assignments', true );
    			if( is_array( $current_assignments ) && ! empty ( $current_assignments ) ) {
	    			foreach( $current_assignments as $key => $value ) {
	    				$assignments[$key] = $value;
	    			}
	    		}
	    	}
	    }
		
		// Find the current custom sidebar with from assignments
		return themeblvd_get_assigned_id( $assignments );
	}
}