(PHP 5 >= 5.5.0, PHP 7)
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$errornum
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errornum» cURL 锟斤拷锟斤拷锟斤拷锟�锟叫的筹拷锟斤拷之一锟斤拷
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Example #1 curl_errno() 锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷
<?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);
?>
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cURL error (1): Unsupported protocol