PHP整合PayPal支付_PHP教程
PHP整合PayPal支付
简单整理一下PHP项目整合PayPal支付功能。
一、表单的构建：
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二、IPN验证部分
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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 ".$url_par[path]." HTTP/1.1\r\n"); fputs($fp, "Host: ".$url_par[host]."\r\n"); fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n"); fputs($fp, "Content-length: ".strlen($post_str)."\r\n"); fputs($fp, "Connection: close\r\n\r\n"); fputs($fp, $post_str . "\r\n\r\n"); // loop through the response from the server and append to variable while(!feof($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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