php - Session data lost on Woocommerce ajax call -

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i'm working on woocommerce plugin add vars in session on "add cart" action, , use vars later when order completed , order confirmation email.

basically workflow following:

  1. on woocommerce_add_to_cart action, set session vars.

    add_filter('woocommerce_add_to_cart', array(&$this->wc, 'add_to_cart'), 10, 1); 
    public function add_to_cart($cart_item_key) {     if(!isset($_session['tickets'])) {         $_session['tickets'] = array();     }     $_session['tickets'][$cart_item_key] = array();     foreach($_post $key => $value) {         if(preg_match('#^ticket_#', $key)) {             $_session['tickets'][$cart_item_key][$key] = $value;         }     } }

  2. on woocommerce_email_after_order_table, use vars add informations confirmation email.

    add_action('woocommerce_email_after_order_table', array(&$this->wc, 'email_after_order_table'), 10, 1); 
    public function email_after_order_table($order) {     if(isset($_session['tickets']) && !empty($_session['tickets'])) {         $output = '';         foreach($_session['tickets'] $cart_item) {             if(is_array($cart_item) && !empty($cart_item)) {                 foreach($cart_item $ticket_id) {                     $ticket = get_post($ticket_id);                     $room = get_the_term_list($ticket_id, 'product_tag');                     $output .= $ticket->post_title . ' (' . $room . ')<br />';                 }             }         }         if(!empty($output)) {             echo '<h4>' . __('tickets', 'my-context') . '</h4><p>' . $output . '</p>';         }     } }

    please note action executed woocommerce on ?wc-ajax=checkout ajax call.

  3. on woocommerce_order_status_completed or woocommerce_order_status_on-hold, update cpt using vars, delete session vars.

the problem have when hooking on woocommerce_email_after_order_table $_session empty. if on $_cookie['phpsessid'], set , same value in context session vars set. , if try query cpt, aren't updated yet, woocommerce_order_status_completed hook (which working , have no issue accessing session vars) isn't yet executed.

i tried using wc_session instead of $_session, didn't changed (step 1 , 3 working not step 2).

does know why woocommerce_email_after_order_table action isn't in same context woocommerce_order_status_completed? there way pass custom data in hook?

allright found out going on tracking hooks execution time, , figured woocommerce_order_status_complete executed before email hooks. seems woocommerce doesn't provide hook in fact executed after order actions have been processed.

woocommerce_order_status_complete           0.15321100 1453995747 woocommerce_email_after_order_table         0.40655700 1453995747

so considering deleting session vars on woocommerce_order_status_complete, of course not accessible email templates. changing email_after_order_table use updated cpt instead of session vars solved problem:

public function email_after_order_table($order) {     $tickets = get_posts(array(         'post_type' => 'tickets',         'numberposts' => -1,         'meta_query'    => array(array(             'key'           => 'tickets_reservation',             'value'         => $order->id         ))     ));     if($tickets) {         $output = '';         foreach($tickets $ticket) {             $room = strip_tags(get_the_term_list($ticket->id, 'product_tag'));             $output .= $ticket->post_title . ' (' . $room . ')<br />';         }         if(!empty($output)) {             echo '<h4>' . __('tickets', 'my-context') . '</h4><p>' . $output . '</p>';         }     } }

the reason why failed query cpt before pretty trivial: used $order->id instead of $order->id...

i have if woocommerce provided more info hooks execution order.


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