php man page for curl_errno

CURL_ERRNO(3)								 1							     CURL_ERRNO(3)

curl_errno - Return the last error number

SYNOPSIS
       int curl_errno (resource  $ch)

DESCRIPTION
	Returns the error number for the last cURL operation.

PARAMETERS
	      o $ch
		-A cURL handle returned by curl_init(3).

RETURN VALUES
	Returns the error number or 0 (zero) if no error occurred.

EXAMPLES
       Example #1

	      curl_errno(3) example

	      <?php
	      // Create a curl handle to a non-existing location
	      $ch = curl_init('http://404.php.net/');

	      // Execute
	      curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	      curl_exec($ch);

	      // Check if any error occurred
	      if(curl_errno($ch))
	      {
		  echo 'Curl error: ' . curl_error($ch);
	      }

	      // Close handle
	      curl_close($ch);
	      ?>

SEE ALSO
       curl_error(3), Curl error codes.

PHP Documentation Group 													     CURL_ERRNO(3)