| @@ -1,199 +1,360 @@ | ||
| 1 | -<?php | |
| 2 | -/** | |
| 3 | - * Frontend & Markup | |
| 4 | - * | |
| 5 | - * @package CartFlows | |
| 6 | - */ | |
| 7 | - | |
| 8 | -/** | |
| 9 | - * Flow Markup | |
| 10 | - * | |
| 11 | - * @since 1.0.0 | |
| 12 | - */ | |
| 13 | -class Cartflows_Flow_Frontend { | |
| 14 | - | |
| 15 | - | |
| 16 | - /** | |
| 17 | - * Member Variable | |
| 18 | - * | |
| 19 | - * @var object instance | |
| 20 | - */ | |
| 21 | - private static $instance; | |
| 22 | - | |
| 23 | - /** | |
| 24 | - * Initiator | |
| 25 | - */ | |
| 26 | - public static function get_instance() { | |
| 27 | - if ( ! isset( self::$instance ) ) { | |
| 28 | - self::$instance = new self; | |
| 29 | - } | |
| 30 | - return self::$instance; | |
| 31 | - } | |
| 32 | - | |
| 33 | - /** | |
| 34 | - * Constructor | |
| 35 | - */ | |
| 36 | - public function __construct() { | |
| 37 | - | |
| 38 | - /* Analytics */ | |
| 39 | - add_action( 'cartflows_wp_footer', array( $this, 'footer_markup' ) ); | |
| 40 | - } | |
| 41 | - | |
| 42 | - /** | |
| 43 | - * Footer markup | |
| 44 | - */ | |
| 45 | - function footer_markup() { | |
| 46 | - | |
| 47 | - if ( wcf()->utils->is_step_post_type() ) { | |
| 48 | - // @codingStandardsIgnoreStart | |
| 49 | - ?> | |
| 50 | - <?php if( $this->is_flow_testmode() ) { ?> | |
| 51 | - <div class="wcf-preview-mode"> | |
| 52 | - <span><?php _e( 'Test mode is active — which displays random products for previewing. It can be deactivated from the flow settings in the admin dashboard.', 'cartflows' ); ?></span> | |
| 53 | - </div> | |
| 54 | - <?php } ?> | |
| 55 | - <?php | |
| 56 | - // @codingStandardsIgnoreEnd | |
| 57 | - } | |
| 58 | - } | |
| 59 | - | |
| 60 | - /** | |
| 61 | - * Check if flow test mode is enable. | |
| 62 | - * | |
| 63 | - * @since 1.0.0 | |
| 64 | - * @param int $flow_id flow ID. | |
| 65 | - * | |
| 66 | - * @return boolean | |
| 67 | - */ | |
| 68 | - function is_flow_testmode( $flow_id = '' ) { | |
| 69 | - | |
| 70 | - if ( ! $flow_id ) { | |
| 71 | - $flow_id = wcf()->utils->get_flow_id(); | |
| 72 | - } | |
| 73 | - | |
| 74 | - $test_mode = wcf()->options->get_flow_meta_value( $flow_id, 'wcf-testing' ); | |
| 75 | - | |
| 76 | - if ( 'no' === $test_mode ) { | |
| 77 | - return false; | |
| 78 | - } | |
| 79 | - | |
| 80 | - return true; | |
| 81 | - } | |
| 82 | - | |
| 83 | - /** | |
| 84 | - * Get steps data. | |
| 85 | - * | |
| 86 | - * @since 1.0.0 | |
| 87 | - * @param int $flow_id flow ID. | |
| 88 | - * | |
| 89 | - * @return array | |
| 90 | - */ | |
| 91 | - function get_steps( $flow_id ) { | |
| 92 | - | |
| 93 | - $steps = get_post_meta( $flow_id, 'wcf-steps', true ); | |
| 94 | - | |
| 95 | - if ( ! is_array( $steps ) ) { | |
| 96 | - | |
| 97 | - $steps = array(); | |
| 98 | - } | |
| 99 | - | |
| 100 | - return $steps; | |
| 101 | - } | |
| 102 | - | |
| 103 | - /** | |
| 104 | - * Check thank you page exists. | |
| 105 | - * | |
| 106 | - * @since 1.0.0 | |
| 107 | - * @param array $order order data. | |
| 108 | - * | |
| 109 | - * @return bool | |
| 110 | - */ | |
| 111 | - function is_thankyou_page_exists( $order ) { | |
| 112 | - | |
| 113 | - $thankyou_step_exist = false; | |
| 114 | - | |
| 115 | - $flow_id = wcf()->utils->get_flow_id_from_order( $order->get_id() ); | |
| 116 | - | |
| 117 | - if ( $flow_id ) { | |
| 118 | - | |
| 119 | - $flow_steps = get_post_meta( $flow_id, 'wcf-steps', true ); | |
| 120 | - $step_id = wcf()->utils->get_checkout_id_from_order( $order->get_id() ); | |
| 121 | - | |
| 122 | - if ( is_array( $flow_steps ) ) { | |
| 123 | - | |
| 124 | - $current_step_found = false; | |
| 125 | - | |
| 126 | - foreach ( $flow_steps as $index => $data ) { | |
| 127 | - | |
| 128 | - if ( $current_step_found ) { | |
| 129 | - | |
| 130 | - if ( 'thankyou' === $data['type'] ) { | |
| 131 | - | |
| 132 | - $thankyou_step_exist = true; | |
| 133 | - break; | |
| 134 | - } | |
| 135 | - } else { | |
| 136 | - | |
| 137 | - if ( intval( $data['id'] ) === $step_id ) { | |
| 138 | - | |
| 139 | - $current_step_found = true; | |
| 140 | - } | |
| 141 | - } | |
| 142 | - } | |
| 143 | - } | |
| 144 | - } | |
| 145 | - | |
| 146 | - return $thankyou_step_exist; | |
| 147 | - } | |
| 148 | - | |
| 149 | - /** | |
| 150 | - * Check thank you page exists. | |
| 151 | - * | |
| 152 | - * @since 1.0.0 | |
| 153 | - * @param array $order order data. | |
| 154 | - * | |
| 155 | - * @return bool | |
| 156 | - */ | |
| 157 | - function get_thankyou_page_id( $order ) { | |
| 158 | - | |
| 159 | - $thankyou_step_id = false; | |
| 160 | - | |
| 161 | - $flow_id = wcf()->utils->get_flow_id_from_order( $order->get_id() ); | |
| 162 | - | |
| 163 | - if ( $flow_id ) { | |
| 164 | - | |
| 165 | - $flow_steps = get_post_meta( $flow_id, 'wcf-steps', true ); | |
| 166 | - $step_id = wcf()->utils->get_checkout_id_from_order( $order->get_id() ); | |
| 167 | - | |
| 168 | - if ( is_array( $flow_steps ) ) { | |
| 169 | - | |
| 170 | - $current_step_found = false; | |
| 171 | - | |
| 172 | - foreach ( $flow_steps as $index => $data ) { | |
| 173 | - | |
| 174 | - if ( $current_step_found ) { | |
| 175 | - | |
| 176 | - if ( 'thankyou' === $data['type'] ) { | |
| 177 | - | |
| 178 | - $thankyou_step_id = intval( $data['id'] ); | |
| 179 | - break; | |
| 180 | - } | |
| 181 | - } else { | |
| 182 | - | |
| 183 | - if ( intval( $data['id'] ) === $step_id ) { | |
| 184 | - | |
| 185 | - $current_step_found = true; | |
| 186 | - } | |
| 187 | - } | |
| 188 | - } | |
| 189 | - } | |
| 190 | - } | |
| 191 | - | |
| 192 | - return $thankyou_step_id; | |
| 193 | - } | |
| 194 | -} | |
| 195 | - | |
| 196 | -/** | |
| 197 | - * Kicking this off by calling 'get_instance()' method | |
| 198 | - */ | |
| 199 | -Cartflows_Flow_Frontend::get_instance(); | |
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Frontend & Markup | |
| 4 | + * | |
| 5 | + * @package CartFlows | |
| 6 | + */ | |
| 7 | + | |
| 8 | +// Exit if accessed directly. | |
| 9 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 10 | + exit; | |
| 11 | +} | |
| 12 | +/** | |
| 13 | + * Flow Markup | |
| 14 | + * | |
| 15 | + * @since 1.0.0 | |
| 16 | + */ | |
| 17 | +class Cartflows_Flow_Frontend { | |
| 18 | + | |
| 19 | + | |
| 20 | + /** | |
| 21 | + * Member Variable | |
| 22 | + * | |
| 23 | + * @var object instance | |
| 24 | + */ | |
| 25 | + private static $instance; | |
| 26 | + | |
| 27 | + /** | |
| 28 | + * Initiator | |
| 29 | + */ | |
| 30 | + public static function get_instance() { | |
| 31 | + if ( ! isset( self::$instance ) ) { | |
| 32 | + self::$instance = new self(); | |
| 33 | + } | |
| 34 | + return self::$instance; | |
| 35 | + } | |
| 36 | + | |
| 37 | + /** | |
| 38 | + * Constructor | |
| 39 | + */ | |
| 40 | + public function __construct() { | |
| 41 | + | |
| 42 | + /* Analytics */ | |
| 43 | + add_action( 'cartflows_wp_footer', array( $this, 'footer_markup' ) ); | |
| 44 | + add_action( 'admin_bar_menu', array( $this, 'add_edit_flow_menu' ), 999 ); | |
| 45 | + add_action( 'admin_bar_menu', array( $this, 'update_edit_step_menu_link' ), 999 ); | |
| 46 | + add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_gcp_color_vars' ), 23 ); | |
| 47 | + } | |
| 48 | + | |
| 49 | + | |
| 50 | + | |
| 51 | + /** | |
| 52 | + * Add a new admin bar menu to navigate to edit the flow. | |
| 53 | + * | |
| 54 | + * @param object $admin_bar The object of admin bar. | |
| 55 | + * @return void | |
| 56 | + */ | |
| 57 | + public function add_edit_flow_menu( $admin_bar ) { | |
| 58 | + | |
| 59 | + if ( wcf()->utils->is_step_post_type() ) { | |
| 60 | + $flow_id = wcf()->utils->get_flow_id(); | |
| 61 | + | |
| 62 | + if ( ! empty( $flow_id ) ) { | |
| 63 | + | |
| 64 | + $path = Cartflows_Helper::get_global_setting( '_cartflows_store_checkout' ) === $flow_id ? 'store-checkout' : 'flows'; | |
| 65 | + | |
| 66 | + $admin_bar->add_node( | |
| 67 | + array( | |
| 68 | + 'id' => 'edit-flow', | |
| 69 | + 'title' => '<span class="ab-icon dashicons dashicons-edit"></span>' . esc_html__( 'Edit Funnel', 'cartflows' ), | |
| 70 | + 'href' => admin_url( 'admin.php?page=cartflows&path=' . $path . '&action=wcf-edit-flow&flow_id=' . $flow_id ), | |
| 71 | + 'meta' => array( | |
| 72 | + 'class' => 'wcf-admin_bar-edit_flow--menu', | |
| 73 | + ), | |
| 74 | + ) | |
| 75 | + ); | |
| 76 | + } | |
| 77 | + } | |
| 78 | + } | |
| 79 | + | |
| 80 | + /** | |
| 81 | + * Footer markup | |
| 82 | + */ | |
| 83 | + public function footer_markup() { | |
| 84 | + | |
| 85 | + // Keep onboarding template previews aspirational — no admin notices inside the iframe. | |
| 86 | + if ( isset( $_GET['wcf-load-onboarding-iframe'] ) ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended | |
| 87 | + return; | |
| 88 | + } | |
| 89 | + | |
| 90 | + if ( wcf()->utils->is_step_post_type() ) { | |
| 91 | + $flow_id = wcf()->utils->get_flow_id(); | |
| 92 | + | |
| 93 | + $default_strings = array( | |
| 94 | + 'message' => __( 'Test mode is currently enabled to help you preview your funnel. You can turn it off anytime from the funnel\'s settings in the admin dashboard.', 'cartflows' ), | |
| 95 | + 'link_text' => __( 'Click here to disable it.', 'cartflows' ), | |
| 96 | + ); | |
| 97 | + | |
| 98 | + $test_mode_strings = array_merge( | |
| 99 | + $default_strings, | |
| 100 | + // Make sure that if empty strings are sent, then assign the default strings. | |
| 101 | + array_filter( | |
| 102 | + apply_filters( 'cartflows_test_mode_strings', $default_strings ) | |
| 103 | + ) | |
| 104 | + ); | |
| 105 | + | |
| 106 | + ?> | |
| 107 | + <?php if ( $this->is_flow_testmode( $flow_id ) ) { ?> | |
| 108 | + <div class="wcf-preview-mode"> | |
| 109 | + <span><?php echo esc_html( $test_mode_strings['message'] ); ?></span> | |
| 110 | + <?php if ( current_user_can( 'cartflows_manage_flows_steps' ) ) { ?> | |
| 111 | + <?php | |
| 112 | + $path = Cartflows_Helper::get_global_setting( '_cartflows_store_checkout' ) === $flow_id ? 'store-checkout' : 'flows'; | |
| 113 | + $flow_edit_link = admin_url( 'admin.php?page=cartflows&path=' . $path . '&action=wcf-edit-flow&flow_id=' . $flow_id ); | |
| 114 | + ?> | |
| 115 | + <a href="<?php echo esc_url( $flow_edit_link ); ?>"><?php echo esc_html( $test_mode_strings['link_text'] ); ?></a> | |
| 116 | + <?php } ?> | |
| 117 | + </div> | |
| 118 | + <?php } ?> | |
| 119 | + <?php | |
| 120 | + } | |
| 121 | + } | |
| 122 | + | |
| 123 | + /** | |
| 124 | + * Check if flow test mode is enable. | |
| 125 | + * | |
| 126 | + * @since 1.0.0 | |
| 127 | + * @param int $flow_id flow ID. | |
| 128 | + * | |
| 129 | + * @return boolean | |
| 130 | + */ | |
| 131 | + public function is_flow_testmode( $flow_id = '' ) { | |
| 132 | + | |
| 133 | + if ( ! $flow_id ) { | |
| 134 | + $flow_id = wcf()->utils->get_flow_id(); | |
| 135 | + } | |
| 136 | + | |
| 137 | + $test_mode = wcf()->options->get_flow_meta_value( $flow_id, 'wcf-testing' ); | |
| 138 | + | |
| 139 | + if ( 'yes' === $test_mode ) { | |
| 140 | + return true; | |
| 141 | + } | |
| 142 | + | |
| 143 | + return false; | |
| 144 | + } | |
| 145 | + | |
| 146 | + /** | |
| 147 | + * Get steps data. | |
| 148 | + * | |
| 149 | + * @since 1.0.0 | |
| 150 | + * @param int $flow_id flow ID. | |
| 151 | + * | |
| 152 | + * @return array | |
| 153 | + */ | |
| 154 | + public function get_steps( $flow_id ) { | |
| 155 | + | |
| 156 | + $steps = get_post_meta( $flow_id, 'wcf-steps', true ); | |
| 157 | + | |
| 158 | + if ( ! is_array( $steps ) ) { | |
| 159 | + | |
| 160 | + $steps = array(); | |
| 161 | + } | |
| 162 | + | |
| 163 | + return $steps; | |
| 164 | + } | |
| 165 | + | |
| 166 | + /** | |
| 167 | + * Check thank you page exists. | |
| 168 | + * | |
| 169 | + * @since 1.0.0 | |
| 170 | + * @param array $order order data. | |
| 171 | + * | |
| 172 | + * @return bool | |
| 173 | + */ | |
| 174 | + public function is_thankyou_page_exists( $order ) { | |
| 175 | + | |
| 176 | + $thankyou_step_exist = false; | |
| 177 | + | |
| 178 | + $flow_id = wcf()->utils->get_flow_id_from_order( $order ); | |
| 179 | + | |
| 180 | + if ( $flow_id ) { | |
| 181 | + | |
| 182 | + $step_id = wcf()->utils->get_checkout_id_from_order( $order ); | |
| 183 | + | |
| 184 | + // Get control step and flow steps. | |
| 185 | + $wcf_step_obj = wcf_get_step( $step_id ); | |
| 186 | + $flow_steps = $wcf_step_obj->get_flow_steps(); | |
| 187 | + $control_step = $wcf_step_obj->get_control_step(); | |
| 188 | + | |
| 189 | + if ( is_array( $flow_steps ) ) { | |
| 190 | + | |
| 191 | + $current_step_found = false; | |
| 192 | + | |
| 193 | + foreach ( $flow_steps as $index => $data ) { | |
| 194 | + | |
| 195 | + if ( $current_step_found ) { | |
| 196 | + | |
| 197 | + if ( 'thankyou' === $data['type'] ) { | |
| 198 | + | |
| 199 | + $thankyou_step_exist = true; | |
| 200 | + break; | |
| 201 | + } | |
| 202 | + } elseif ( intval( $data['id'] ) === $control_step ) { | |
| 203 | + | |
| 204 | + | |
| 205 | + $current_step_found = true; | |
| 206 | + } | |
| 207 | + } | |
| 208 | + } | |
| 209 | + } | |
| 210 | + | |
| 211 | + return $thankyou_step_exist; | |
| 212 | + } | |
| 213 | + | |
| 214 | + /** | |
| 215 | + * Check thank you page exists. | |
| 216 | + * | |
| 217 | + * @since 1.0.0 | |
| 218 | + * @param array $order order data. | |
| 219 | + * | |
| 220 | + * @return bool | |
| 221 | + */ | |
| 222 | + public function get_thankyou_page_id( $order ) { | |
| 223 | + | |
| 224 | + $thankyou_step_id = false; | |
| 225 | + | |
| 226 | + $flow_id = wcf()->utils->get_flow_id_from_order( $order ); | |
| 227 | + | |
| 228 | + if ( $flow_id ) { | |
| 229 | + | |
| 230 | + $step_id = wcf()->utils->get_checkout_id_from_order( $order ); | |
| 231 | + | |
| 232 | + // Get control step and flow steps. | |
| 233 | + $wcf_step_obj = wcf_get_step( $step_id ); | |
| 234 | + $flow_steps = $wcf_step_obj->get_flow_steps(); | |
| 235 | + $control_step = $wcf_step_obj->get_control_step(); | |
| 236 | + | |
| 237 | + if ( is_array( $flow_steps ) ) { | |
| 238 | + | |
| 239 | + $current_step_found = false; | |
| 240 | + | |
| 241 | + foreach ( $flow_steps as $index => $data ) { | |
| 242 | + | |
| 243 | + if ( $current_step_found ) { | |
| 244 | + | |
| 245 | + if ( 'thankyou' === $data['type'] ) { | |
| 246 | + | |
| 247 | + $thankyou_step_id = intval( $data['id'] ); | |
| 248 | + break; | |
| 249 | + } | |
| 250 | + } elseif ( intval( $data['id'] ) === $control_step ) { | |
| 251 | + | |
| 252 | + | |
| 253 | + $current_step_found = true; | |
| 254 | + } | |
| 255 | + } | |
| 256 | + } | |
| 257 | + } | |
| 258 | + | |
| 259 | + return $thankyou_step_id; | |
| 260 | + } | |
| 261 | + | |
| 262 | + /** | |
| 263 | + * Update the CartFlows steps link as per the latest UI. | |
| 264 | + * | |
| 265 | + * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar object. | |
| 266 | + * @since 2.0.0 | |
| 267 | + */ | |
| 268 | + public function update_edit_step_menu_link( $wp_admin_bar ) { | |
| 269 | + | |
| 270 | + if ( wcf()->utils->is_step_post_type() ) { | |
| 271 | + | |
| 272 | + global $post; | |
| 273 | + | |
| 274 | + if ( ! empty( $post ) ) { | |
| 275 | + | |
| 276 | + $edit_node = $wp_admin_bar->get_node( 'edit' ); | |
| 277 | + | |
| 278 | + if ( $edit_node ) { | |
| 279 | + $post_id = $post->ID; | |
| 280 | + $flow_id = wcf()->utils->get_flow_id_from_step_id( $post_id ); | |
| 281 | + | |
| 282 | + // Show the edit node only if the page builder option is set to other and gutenberg, else remove/hide the node. | |
| 283 | + if ( in_array( Cartflows_Helper::get_common_setting( 'default_page_builder' ), array( 'other', 'gutenberg' ) ) || Cartflows_Helper::is_instant_layout_enabled( intval( $flow_id ) ) ) { | |
| 284 | + $edit_node->title = esc_html__( 'Edit Design', 'cartflows' ); | |
| 285 | + $edit_node->href = $this->get_prepared_edit_step_url( $post->ID ); | |
| 286 | + $wp_admin_bar->add_node( $edit_node ); | |
| 287 | + } else { | |
| 288 | + $wp_admin_bar->remove_node( 'edit' ); | |
| 289 | + } | |
| 290 | + } | |
| 291 | + } | |
| 292 | + } | |
| 293 | + } | |
| 294 | + | |
| 295 | + /** | |
| 296 | + * Enqueue the Global Color Pallet CSS vars to the page to use in the page builder settings. | |
| 297 | + * | |
| 298 | + * Note: Currently the GCP support is added for Elementor and Block Builder. | |
| 299 | + * | |
| 300 | + * @param string $css_dependency the CSS file handle as a dependency to add the inline css. | |
| 301 | + * @since 2.0.0 | |
| 302 | + * @return void | |
| 303 | + */ | |
| 304 | + public function enqueue_gcp_color_vars( $css_dependency = '' ) { | |
| 305 | + | |
| 306 | + if ( wcf()->utils->is_step_post_type() ) { | |
| 307 | + | |
| 308 | + $flow_id = wcf()->utils->get_flow_id(); | |
| 309 | + | |
| 310 | + // Return if no flow ID is found. | |
| 311 | + if ( empty( $flow_id ) ) { | |
| 312 | + return; | |
| 313 | + } | |
| 314 | + | |
| 315 | + if ( ! Cartflows_Helper::is_gcp_styling_enabled( (int) $flow_id ) ) { | |
| 316 | + return; | |
| 317 | + } | |
| 318 | + | |
| 319 | + $gcp_vars = Cartflows_Helper::generate_gcp_css_style( (int) $flow_id ); | |
| 320 | + $css_dependency = ! empty( $css_dependency ) ? $css_dependency : 'wcf-frontend-global'; | |
| 321 | + | |
| 322 | + // Don't print the inline CSS style if no style is generated. | |
| 323 | + if ( ! empty( $gcp_vars ) ) { | |
| 324 | + $output = ':root { ' . $gcp_vars . ' }'; | |
| 325 | + wp_add_inline_style( $css_dependency, $output ); | |
| 326 | + } | |
| 327 | + } | |
| 328 | + } | |
| 329 | + | |
| 330 | + /** | |
| 331 | + * Generates the edit URL for a step based on the page builder and Instant Checkout features. | |
| 332 | + * | |
| 333 | + * @since 2.1.0 | |
| 334 | + * @param int $step_id The ID of the step to generate the edit URL for. | |
| 335 | + * @return string $edit_url The edit URL for the specified step. | |
| 336 | + */ | |
| 337 | + public function get_prepared_edit_step_url( $step_id ) { | |
| 338 | + // Default Edit Step URL. | |
| 339 | + $edit_url = Cartflows_Helper::get_page_builder_edit_link( $step_id ); | |
| 340 | + | |
| 341 | + // Get the current flow ID from the step. | |
| 342 | + $flow_id = (int) wcf()->utils->get_flow_id_from_step_id( $step_id ); | |
| 343 | + | |
| 344 | + // Update the edit URL if instant Checkout is enabled. | |
| 345 | + if ( Cartflows_Helper::is_instant_layout_enabled( (int) $flow_id ) ) { | |
| 346 | + $store_checkout = Cartflows_Helper::get_global_setting( '_cartflows_store_checkout' ); | |
| 347 | + $store_checkout_path = intval( $store_checkout ) === intval( $flow_id ) ? 'store-checkout' : 'flows'; | |
| 348 | + | |
| 349 | + $edit_url = admin_url( 'admin.php?page=' . CARTFLOWS_SLUG . '&path=' . $store_checkout_path . '&action=wcf-edit-flow&flow_id=' . $flow_id . '&step_id=' . $step_id . '&tab=design' ); | |
| 350 | + } | |
| 351 | + | |
| 352 | + // Return the updated edit URL. | |
| 353 | + return $edit_url; | |
| 354 | + } | |
| 355 | +} | |
| 356 | + | |
| 357 | +/** | |
| 358 | + * Kicking this off by calling 'get_instance()' method | |
| 359 | + */ | |
| 360 | +Cartflows_Flow_Frontend::get_instance(); | |
