first commit without licensingg

core/customizer/controls/class-control-collapsible.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * Customizer Collapsible
+ *
+ * @package Revision
+ */
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+if ( ! class_exists( 'CSCO_Customize_Collapsible_Control' ) ) {
+	/**
+	 * Class Customize Collapsible
+	 */
+	class CSCO_Customize_Collapsible_Control extends WP_Customize_Control {
+
+		/**
+		 * The field type.
+		 *
+		 * @var string
+		 */
+		public $type = 'collapsible';
+
+		/**
+		 * Render the control content.
+		 */
+		protected function render_content() {
+			$collapsed_class = null;
+
+			if ( isset( $this->input_attrs['collapsed'] ) && $this->input_attrs['collapsed'] ) {
+				$collapsed_class = 'customize-collapsed';
+			}
+			?>
+			<div class="customize-collapsible <?php echo esc_attr( $collapsed_class ); ?>"><h3><?php echo esc_html( $this->label ); ?></h3></div>
+			<?php
+		}
+	}
+}