PHP 获取视频时长的实例代码分享！

具体代码如下所示：

  /*  * 获得视频文件的缩略图和视频长度  * @date 2018-05-16  * @copyright  */  //获得视频文件的总长度时间和创建时间 根据视频长度判断是否失效  public function getTime($url)  {    //获取视频重定向后的链接    $location = locationUrl($url);    //获取视频Content-Length    $responseHead = get_data($location);    $list1 = explode("Content-Length: ", $responseHead);    $list2 = explode("Connection", $list1[1]);    $list = explode("x", $list2[0]);    return $list[0];  }  //获取视频重定向后的链接  function locationUrl($url){    $url_parts = @parse_url($url);    if (!$url_parts) return false;    if (!isset($url_parts['host'])) return false;    if (!isset($url_parts['path'])) $url_parts['path'] = '/';    $sock = fsockopen($url_parts['host'], (isset($url_parts['port']) ? (int)$url_parts['port'] : '80'), $errno, $errstr, 30);    if (!$sock) return false;    $request = "HEAD " . $url_parts['path'] . (isset($url_parts['query']) ? '?'.$url_parts['query'] : '') . " HTTP/1.1rn";    $request .= 'Host: ' . $url_parts['host'] . "rn";    $request .= "Connection: Closernrn";    fwrite($sock, $request);    $response = '';    while(!feof($sock)) {      $response .= fread($sock, 8192);    }    fclose($sock);    if (preg_match('/^Location: (.+?)$/m', $response, $matches)){      if ( substr($matches[1], 0, 1) == "/" ){        return $url_parts['scheme'] . "://" . $url_parts['host'] . trim($matches[1]);      }      else{        return trim($matches[1]);      }    } else {      return false;    }  }  //审核视频 curl  function get_data($url){    $oCurl = curl_init();    //模拟浏览器    $header[] = "deo.com";    $user_agent = "Mozilla/4.0 (Linux; Andro 6.0; Nexus 5 Build) AppleWeb/537.36 (KHTML, like Gecko)";    curl_setopt($oCurl, CURLOPT_URL, $url);    curl_setopt($oCurl, CURLOPT_HTTPHEADER,$header);    curl_setopt($oCurl, CURLOPT_HEADER, true);    curl_setopt($oCurl, CURLOPT_NOBODY, true);    curl_setopt($oCurl, CURLOPT_USERAGENT,$user_agent);    curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1 );    // 不用 POST 方式请求, 意思就是通过 GET 请求    curl_setopt($oCurl, CURLOPT_POST, false);    $sContent = curl_exec($oCurl);    // 获得响应结果里的：头大小    $headerSize = curl_getinfo($oCurl, CURLINFO_HEADER_SIZE);    // 根据头大小去获取头信息内容    $header = substr($sContent, 0, $headerSize);    curl_close($oCurl);    return $header;  }

总结

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