php - API credentials are incorrect -
I tried to customize the example with PHP:
messages received () PHP_EOL;} ... but I always take it back:
I double-checked the API credentials (user, pass and signature) and they are in the form of appearing in the right profile page. I would like to fully X-Paypal-DEVICE-IPADDRESS and X-Paypal-SANDBOX-EMAIL-ADDRESS . I'm not sure about whether I have done something wrong or left some curl options. What can you do in your code?
Some unbearably, CURLOPT_HTTPHEADER option no Header = & gt; Add value, only takes a list of stars, each of which should be a full HTTP header. Therefore instead of $ Headers = array ('X-Paypal-Security-USERID' = & gt; PAYPAL_API_USER, ...) you $ headers = array ( 'X-Paypal-SECURITY-USERID:' is required.PAYPAL_API_USER, ...)
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