+
+/**
+ * Check whether script has been added to WordPress Scripts.
+ *
+ * The values for list defaults to 'queue', which is the same as enqueue for
+ * scripts.
+ *
+ * @since WP unknown; BP unknown
+ *
+ * @param string $handle Handle used to add script.
+ * @param string $list Optional, defaults to 'queue'. Others values are 'registered', 'queue', 'done', 'to_do'
+ * @return bool
+ */
+function wp_script_is( $handle, $list = 'queue' ) {
+ global $wp_scripts;
+ if ( !is_a($wp_scripts, 'WP_Scripts') )
+ $wp_scripts = new WP_Scripts();
+
+ $query = $wp_scripts->query( $handle, $list );
+
+ if ( is_object( $query ) )
+ return true;
+
+ return $query;
+}