eventespresso / event-espresso-core

        $this->_x_post_fields['login'] = $this->_login_id;

        $this->_x_post_fields['tran_key'] = $this->_transaction_key;

        $x_keys = array();

        foreach ($this->_x_post_fields as $key => $value) {

            $x_keys[] = "x_$key=" . urlencode($this->_get_unsupported_character_remover()->format($value));

        }

        // Add line items

        foreach ($this->_additional_line_items as $key => $value) {

            $x_keys[] =  "x_line_item=" . urlencode($this->_get_unsupported_character_remover()->format($value));

            $x_keys[] = "x_$key=" . urlencode($this->_get_unsupported_character_remover()->format($value));

        }

        // Add line items

        foreach ($this->_additional_line_items as $key => $value) {

            $x_keys[] =  "x_line_item=" . urlencode($this->_get_unsupported_character_remover()->format($value));

        }

        $this->_log_clean_request($x_keys, $payment);

        $post_url = $this->_get_server_url();

        $curl_request = curl_init($post_url);