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Charge users with paypal


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I am inquiring about the process to charge users money through a website. This could be an upcoming contract. I heard with php you hold the customer info then you send it to paypal and then paypal sends you a code that the payment was successful or not and you confirm that to the user.Could I get more details on this procedure?Thanks guys!

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Great read aspnetguy but seems kinda complicated.virtualadz, I'd like to see that code and a website example if possible.

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<?php/*  $Id: paypal.php,v 1.39*/  class paypal {    var $code, $title, $description, $enabled;// class constructor    function paypal() {      global $order;      $this->code = 'paypal';      $this->title = MODULE_PAYMENT_PAYPAL_TEXT_TITLE;      $this->description = MODULE_PAYMENT_PAYPAL_TEXT_DESCRIPTION;      $this->sort_order = MODULE_PAYMENT_PAYPAL_SORT_ORDER;      $this->enabled = ((MODULE_PAYMENT_PAYPAL_STATUS == 'True') ? true : false);      if ((int)MODULE_PAYMENT_PAYPAL_ORDER_STATUS_ID > 0) {        $this->order_status = MODULE_PAYMENT_PAYPAL_ORDER_STATUS_ID;      }      if (is_object($order)) $this->update_status();      $this->form_action_url = 'https://secure.paypal.com/cgi-bin/webscr';    }// class methods    function update_status() {      global $order;      if ( ($this->enabled == true) && ((int)MODULE_PAYMENT_PAYPAL_ZONE > 0) ) {        $check_flag = false;        $check_query = tep_db_query("select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_PAYPAL_ZONE . "' and zone_country_id = '" . $order->billing['country']['id'] . "' order by zone_id");        while ($check = tep_db_fetch_array($check_query)) {          if ($check['zone_id'] < 1) {            $check_flag = true;            break;          } elseif ($check['zone_id'] == $order->billing['zone_id']) {            $check_flag = true;            break;          }        }        if ($check_flag == false) {          $this->enabled = false;        }      }    }    function javascript_validation() {      return false;    }    function selection() {      return array('id' => $this->code,                   'module' => $this->title);    }    function pre_confirmation_check() {      return false;    }    function confirmation() {      return false;    }    function process_button() {      global $order, $currencies, $currency;      if (MODULE_PAYMENT_PAYPAL_CURRENCY == 'Selected Currency') {        $my_currency = $currency;      } else {        $my_currency = substr(MODULE_PAYMENT_PAYPAL_CURRENCY, 5);      }      if (!in_array($my_currency, array('CAD', 'EUR', 'GBP', 'JPY', 'USD'))) {        $my_currency = 'USD';      }      $process_button_string = tep_draw_hidden_field('cmd', '_xclick') .                               tep_draw_hidden_field('business', MODULE_PAYMENT_PAYPAL_ID) .                               tep_draw_hidden_field('item_name', STORE_NAME) .                               tep_draw_hidden_field('amount', number_format(($order->info['total'] - $order->info['shipping_cost']) * $currencies->get_value($my_currency), $currencies->get_decimal_places($my_currency))) .                               tep_draw_hidden_field('shipping', number_format($order->info['shipping_cost'] * $currencies->get_value($my_currency), $currencies->get_decimal_places($my_currency))) .                               tep_draw_hidden_field('currency_code', $my_currency) .                               tep_draw_hidden_field('return', tep_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL')) .                               tep_draw_hidden_field('cancel_return', tep_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));      return $process_button_string;    }    function before_process() {      return false;    }    function after_process() {      return false;    }    function output_error() {      return false;    }    function check() {      if (!isset($this->_check)) {        $check_query = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_PAYMENT_PAYPAL_STATUS'");        $this->_check = tep_db_num_rows($check_query);      }      return $this->_check;    }    function install() {      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Enable PayPal Module', 'MODULE_PAYMENT_PAYPAL_STATUS', 'True', 'Do you want to accept PayPal payments?', '6', '3', 'tep_cfg_select_option(array(\'True\', \'False\'), ', now())");      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('E-Mail Address', 'MODULE_PAYMENT_PAYPAL_ID', 'you@yourbusiness.com', 'The e-mail address to use for the PayPal service', '6', '4', now())");      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Transaction Currency', 'MODULE_PAYMENT_PAYPAL_CURRENCY', 'Selected Currency', 'The currency to use for credit card transactions', '6', '6', 'tep_cfg_select_option(array(\'Selected Currency\',\'Only USD\',\'Only CAD\',\'Only EUR\',\'Only GBP\',\'Only JPY\'), ', now())");      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Sort order of display.', 'MODULE_PAYMENT_PAYPAL_SORT_ORDER', '0', 'Sort order of display. Lowest is displayed first.', '6', '0', now())");      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, use_function, set_function, date_added) values ('Payment Zone', 'MODULE_PAYMENT_PAYPAL_ZONE', '0', 'If a zone is selected, only enable this payment method for that zone.', '6', '2', 'tep_get_zone_class_title', 'tep_cfg_pull_down_zone_classes(', now())");      tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, use_function, date_added) values ('Set Order Status', 'MODULE_PAYMENT_PAYPAL_ORDER_STATUS_ID', '0', 'Set the status of orders made with this payment module to this value', '6', '0', 'tep_cfg_pull_down_order_statuses(', 'tep_get_order_status_name', now())");    }    function remove() {      tep_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");    }    function keys() {      return array('MODULE_PAYMENT_PAYPAL_STATUS', 'MODULE_PAYMENT_PAYPAL_ID', 'MODULE_PAYMENT_PAYPAL_CURRENCY', 'MODULE_PAYMENT_PAYPAL_ZONE', 'MODULE_PAYMENT_PAYPAL_ORDER_STATUS_ID', 'MODULE_PAYMENT_PAYPAL_SORT_ORDER');    }  }?>

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Can you tell me the steps when a user wants to buy an item? (enters cc info on your site or paypal, shipping address... all that stuff)

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i will tell you in short:1. Register2. Add Product3. Checkout i.e. the shipping pageoptional: different shipping address4. payment page5. confirmation//if paypal another step6. paypal site7. make paymenti dont know what happens next, register for a paypal sandbox account to test how payments are made inside paypal.thanks

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It is very very easy. Just follow the instructions of paypal. They will send u the code and u add it to your web site. I have no notions of java script or php and managed it very well. Its up and working on my site (unfortunatly no one (besides myself) have tried it out yet!!) :)Paypalgo to Merchant tools

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