问题:

I'm trying to use PayPal's Classic API to do a TransactionSearch. I keep getting an Error 81002 Unspecified Method: Method specified is not supported. Of course PayPal's documentation is "so" helpful. Anyone have any ideas on what I might be doing wrong?

Here is the class I'm using... API credentials are loaded from $this->config...

<?php class PayPal { private $base = array(); private $param = array();  public function __construct($registry) {     $this->config = $registry->get('config');     $this->request = $registry->get('request');      // Operate in sandbox or live mode?     $sandbox = $this->config->get('paypal_sandbox');      $base = $this->base($sandbox);      // Set request parameters     $param['request'] = array(         'startdate'     => '2014-03-18T00:00:00-07:00Z', // TODO Get search parameter from $this->request         'enddate'       => '2014-03-19T14:22:23-07:00Z'         );            $transactions = $this->getTransactions($base,$param);     print_r($transactions);  }  // Set Security //   public function base($sandbox) {      if($sandbox=='1') {          $base = array(             'url'       => 'https://api-3t.sandbox.paypal.com/nvp',             'username'  => $this->config->get('paypal_username'),             'password'  => $this->config->get('paypal_password'),             'signature' => $this->config->get('paypal_signature')             );     }      if($sandbox=='0') {          $base = array(             'url'       => 'https://api-3t.paypal.com/nvp',             'username'  => $this->config->get('paypal_username'),             'password'  => $this->config->get('paypal_password'),             'signature' => $this->config->get('paypal_signature')             );     }             return $base;  }  public function call($base,$post) {     $post .= '&PWD='.$base['password'];     $post .= '&USER='.$base['username'];     $post .= '&SIGNATURE='.$base['signature'];      $ch = curl_init($base['url']);     curl_setopt($ch, CURLOPT_PORT, 443);     curl_setopt($ch, CURLOPT_HEADER, 0);     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);     curl_setopt($ch, CURLOPT_FORBID_REUSE, 1);     curl_setopt($ch, CURLOPT_FRESH_CONNECT, 1);     curl_setopt($ch, CURLOPT_POST, 1);     curl_setopt($ch, CURLOPT_POSTFIELDS, $post);           $response = curl_exec($ch);     if(empty($response)) { return 'No response received.'; }     else {          return $response;     }      curl_close($ch); }  // Transactions (Classic API) //  public function getTransactions($base,$param) {     $post  = 'METHOD=TransactionSearch';     $post .= 'VERSION=58.0';      foreach ($param['request'] as $key => $value) {             $post .= '&' . strtoupper($key) . '=' . $value;     }      $transactions = $this->call($base,$post);     return $transactions; }

} ?>

回答1:

Thanks @Andrew. Just figured out I was missing an & in front of VERSION so it was compiling METHOD=TransactionSearchVERSION.... instead of METHOD=TransactionSearch&VERSION...

Gonna leave this up in case someone else finds it useful for working with PayPal NVP. What a pain in the brain!

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