[英]php curl_exec returns empty
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_PROXY, $proxy); // $proxy is ip of proxy server
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$httpCode = curl_getinfo($ch , CURLINFO_HTTP_CODE); // this results 0 every time
echo '<br> curl'.$ch; //this line outputs resource id#5
$exec = stripslashes(curl_exec($ch));
echo '<br> exec'.curl_exec($ch); //this results blank
我很困惑,为什么$ exec不会返回任何东西,我是新来的卷曲请帮助,提前谢谢
当请求失败时, curl_exec将返回false
。 调整您的功能:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_PROXY, $proxy); // $proxy is ip of proxy server
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$httpCode = curl_getinfo($ch , CURLINFO_HTTP_CODE); // this results 0 every time
$response = curl_exec($ch);
if ($response === false)
$response = curl_error($ch);
echo stripslashes($response);
curl_close($ch);
这样你就会看到卷曲错误
结果返回0表示您无法连接到服务器,因此请重新检查您的代理并增加超时:)
在实际进行HTTP调用之前,您正尝试访问HTTP响应代码。 按如下方式反转执行:
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch , CURLINFO_HTTP_CODE); // this results 0 every time
尝试:
curl_setopt($ch, CURLOPT_TIMEOUT, 50);
也许响应时间超过10。
我遇到了同样的问题,我这样解决了。
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