wordpress - Save cart on the current session -

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i'm building wordpress ecommerce site woocommerce plugin, turns when user gets logged in , add products cart, user don't want proceed checkout process, user prefers logout , continue checkout process later... when user comes , gets logged in again cart empty.

what going on here?. normal behavior of woocommerce?. have else? maybe plugin?

thanks.

i thought cart emptied when user logs out, , tracked down.

on wp_logout() wordpress runs wp_clear_auth_cookie() function. wp_clear_auth_cookie() triggers do_action( 'clear_auth_cookie' ); action hook.

woocommerce's session handler class runs it's destroy method on hook.

add_action( 'clear_auth_cookie', array( $this, 'destroy_session' ) );

the destroy_session() method calls wc_empty_cart() function, wrapper cart class's empty_cart() method.

wc()->cart->empty_cart( false );

but key thing here parameter false. because when track down empty_cart() method see default true. 

    /**      * empties cart , optionally persistent cart too.      *      * @access public      * @param bool $clear_persistent_cart (default: true)      * @return void      */     public function empty_cart( $clear_persistent_cart = true ) {         $this->cart_contents = array();         $this->reset();          unset( wc()->session->order_awaiting_payment, wc()->session->applied_coupons, wc()->session->coupon_discount_amounts, wc()->session->cart );          if ( $clear_persistent_cart && get_current_user_id() ) {             $this->persistent_cart_destroy();         }          do_action( 'woocommerce_cart_emptied' );     }

when passing true persistant_cart_destroy() method called , this method deletes meta data user's cart kept. 

    /**      * delete persistent cart permanently.      *      * @access public      * @return void      */     public function persistent_cart_destroy() {         delete_user_meta( get_current_user_id(), '_woocommerce_persistent_cart' );     }

so, of not think cart should emptied when user logs out , in. little more evidence woocommerce attempts load persistent cart user logs in. 

/**  * load cart upon login  *  * @param mixed $user_login  * @param integer $user  * @return void  */ function wc_load_persistent_cart( $user_login, $user = 0 ) {      if ( ! $user )         return;      $saved_cart = get_user_meta( $user->id, '_woocommerce_persistent_cart', true );      if ( $saved_cart )         if ( empty( wc()->session->cart ) || ! is_array( wc()->session->cart ) || sizeof( wc()->session->cart ) == 0 )             wc()->session->cart = $saved_cart['cart']; } add_action( 'wp_login', 'wc_load_persistent_cart', 1, 2 );

i try disabling other plugins see if behavior reverts think normal behavior. there, can re-enable them 1 @ time isolate culprit.


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