curl 怎么保留前面的 0

WBOY
Release: 2016-06-06 20:39:12
Original
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<code> private function _sendRequest($url)
    {
        $content = "";
        if(function_exists('file_get_contents'))
        {
            $content = @file_get_contents($url);
        }
        else
        {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); //allow redirects
            curl_setopt($ch, CURLOPT_HEADER, false);
            $content = curl_exec($ch);
            $error = curl_errno($ch);
            $info = curl_getinfo($ch);
            curl_close($ch);
        }
        $contenArr = json_decode($content);

        if(json_last_error() === JSON_ERROR_NONE)
        {
            return $contenArr;
        }
        else
        {
            return $content;
        }

    } 
</code>
Copy after login
Copy after login

直接在浏览器敲返回的是 0001 用这方法返回的是1 这么保留前面的0

回复内容:

<code> private function _sendRequest($url)
    {
        $content = "";
        if(function_exists('file_get_contents'))
        {
            $content = @file_get_contents($url);
        }
        else
        {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $url);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); //allow redirects
            curl_setopt($ch, CURLOPT_HEADER, false);
            $content = curl_exec($ch);
            $error = curl_errno($ch);
            $info = curl_getinfo($ch);
            curl_close($ch);
        }
        $contenArr = json_decode($content);

        if(json_last_error() === JSON_ERROR_NONE)
        {
            return $contenArr;
        }
        else
        {
            return $content;
        }

    } 
</code>
Copy after login
Copy after login

直接在浏览器敲返回的是 0001 用这方法返回的是1 这么保留前面的0

json_decode干的好事
$content本来是0001,你json_decode($content)把它转换成数值1了。

你确定执行了curl 吗,为什么不是file_get_contents呢?
json_decode是用来对 JSON 格式的字符串进行编码的,那么请问,你那个是json字符串吗?是用双引号包围这的吗?

curl 怎么保留前面的 0

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