(PHP 5 >= 5.5.0, PHP 7)
curl_strerror — Return string describing the given error code
$errornum
)Returns a text error message describing the given error code.
errornumOne of the » cURL error codes constants.
Returns error description or NULL for invalid error code.
Example #1 curl_errno() example
<?php
// Create a curl handle with a mispelled protocol in URL
$ch = curl_init("htp://example.com/");
// Send request
curl_exec($ch);
// Check for errors and display the error message
if($errno = curl_errno($ch)) {
$error_message = curl_strerror($errno);
echo "cURL error ({$errno}):\n {$error_message}";
}
// Close the handle
curl_close($ch);
?>
以上例程会输出：
cURL error (1): Unsupported protocol