PHP 获取视频时长函数方法

  因为最近做剪力墙支撑这个视频站点，需要用到获取视频时长的方法，今天顺便分享给大家

//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']) ? '?'.$url_parts['query'] : '') . " HTTP/1.1\r\n";$request .= 'Host: ' . $url_parts['host'] . "\r\n";$request .= "Connection: Close\r\n\r\n";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;
}

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