PHP integrates PayPal payment_PHP tutorial

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Release: 2016-07-13 09:51:04
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PHP integrates PayPal payment

Briefly organize the PHP project to integrate PayPal payment function.

1. Form construction:

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2. IPN verification part

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class paypal {

  var $ipn_data = array(); // array contains the POST values for IPN

  var $fields = array(); // 提交给Paypal的表单参数,例:item_name=iPhone 6,quantity=1,amount=499,currency_code=USD等所有表单信息,

                     // 在调用验证IPN之前事先需要初始化好

  var $paypal_url = 'https://www.paypal.com/cgi-bin/webscr';//sandbox:https://www.sandbox.paypal.com/cgi-bin/webscr

  

  function validate_ipn() {//验证IPN

      // parse the paypal URL

      $url_par=parse_url($this->paypal_url);

      // generate the post string from the _POST vars aswell as load the

      // _POST vars into an arry so we can play with them from the calling

      // script.

      $post_str = '';

      foreach ($_POST as $field=>$value) {

        $this->ipn_data["$field"] = $value;

        $post_str .= $field.'='.urlencode(stripslashes($value)).'&';

      }

      $post_str.="cmd=_notify-validate"; // append ipn command

      // open the connection to paypal

      $fp = fsockopen($url_par[host],"80",$errnum,$errstr,30);

      if(!$fp) {

        // could not open the connection.

        return false;

      } else {

        // Post the data back to paypal

        fputs($fp, "POST ".$url_par[path]." HTTP/1.1rn");

        fputs($fp, "Host: ".$url_par[host]."rn");

        fputs($fp, "Content-type: application/x-www-form-urlencodedrn");

        fputs($fp, "Content-length: ".strlen($post_str)."rn");

        fputs($fp, "Connection: closernrn");

        fputs($fp, $post_str . "rnrn");

        // loop through the response from the server and append to variable

        while(!feof($fp)) {

          $this->validate_ipn_response .= fgets($fp, 1024);

        }

        fclose($fp); // close connection

     }

    if (eregi("VERIFIED",$this->validate_ipn_response)) {

      return true;

    } else {

      return false;

    }

  }

}

?>

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<🎜>class paypal {<🎜> <🎜> var $ipn_data = array(); // array contains the POST values ​​for IPN<🎜> <🎜> var $fields = array(); // Form parameters submitted to Paypal, for example: item_name=iPhone 6, quantity=1, amount=499, currency_code=USD and all form information, <🎜> <🎜>      //It needs to be initialized before calling the verification IPN<🎜> <🎜> var $paypal_url = 'https://www.paypal.com/cgi-bin/webscr';//sandbox: https://www.sandbox.paypal.com/cgi-bin/webscr<🎜> <🎜> <🎜> <🎜> Function validate_ipn() {//Verify IPN<🎜> <🎜>   // parse the paypal URL<🎜> <🎜> $url_par=parse_url($this->paypal_url); // generate the post string from the _POST vars aswell as load the // _POST vars into an arry so we can play with them from the calling    // script.   $post_str = ''; foreach ($_POST as $field=>$value) {    $this->ipn_data["$field"] = $value;    $post_str .= $field.'='.urlencode(stripslashes($value)).'&';   }   $post_str.="cmd=_notify-validate"; // append ipn command    // open the connection to paypal  $fp = fsockopen($url_par[host],"80",$errnum,$errstr,30);  if(!$fp) {     // could not open the connection. return false;   } else {     // Post the data back to paypal fputs($fp, "POST ".$url_par[path]." HTTP/1.1rn"); fputs($fp, "Host: ".$url_par[host]."rn"); fputs($fp, "Content-type: application/x-www-form-urlencodedrn"); fputs($fp, "Content-length: ".strlen($post_str)."rn");    fputs($fp, "Connection: closernrn"); fputs($fp, $post_str . "rnrn");     // loop through the response from the server and append to variable   while(!feof($fp)) {     $this->validate_ipn_response .= fgets($fp, 1024);     }    fclose($fp); // close connection   }  if (eregi("VERIFIED",$this->validate_ipn_response)) { return true;   } else { return false;  }  } } ?>

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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1015337.htmlTechArticlePHP integrates PayPal payment to briefly organize the PHP project to integrate PayPal payment function. 1. Form construction: 1 2 3 4 5 6 7 8 9 10 11 12 form method=post name=form action=https://www.paypa...
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