Update class-shortcodes.php

Author: ajaydsouza

includes/frontend/class-shortcodes.php

@@ -41,6 +41,11 @@ public function __construct() {
 	 * @return string $output Formatted shortcode output
 	 */
 	public static function knowledgebase( $atts, $content = null ) {
+		static $kb_rendering = false;
+		if ( true === $kb_rendering ) {
+			return '';
+		}
+		$kb_rendering = true;
 
 		if ( wzkb_get_option( 'include_styles' ) ) {
 			wp_enqueue_style( 'wz-knowledgebase-styles' );
@@ -57,6 +62,8 @@ public static function knowledgebase( $atts, $content = null ) {
 
 		$output = wzkb_knowledge( $atts );
 
+		$kb_rendering = false;
+
 		/**
 		 * Filters knowledgebase shortcode.
 		 *