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《PHP实例：10个超级有用值得收藏的PHP代码片段》要点：
本文介绍了PHP实例：10个超级有用值得收藏的PHP代码片段，希望对您有用。如果有疑问，可以联系我们。
set_time_limit(0);
// Supports all file types
// URL Here:
$url = 'http://somsite.com/some_video.flv';
$pi = pathinfo($url);
$ext = $pi['extension'];
$name = $pi['filename'];
PHP编程// create a new cURL resource
$ch = curl_init();
PHP编程// set URL and other appropriate options
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_HEADER,false);
curl_setopt($ch,CURLOPT_BINARYTRANSFER,true);
curl_setopt($ch,CURLOPT_AUTOREFERER,CURLOPT_FOLLOWLOCATION,CURLOPT_RETURNTRANSFER,true);
PHP编程// grab URL and pass it to the browser
$opt = curl_exec($ch);
PHP编程// close cURL resource,and free up system resources
curl_close($ch);
PHP编程$saveFile = $name.'.'.$ext;
if(preg_match("/[^0-9a-z._-]/i",$saveFile))
??? $saveFile = md5(microtime(true)).'.'.$ext;
PHP编程$handle = fopen($saveFile,'wb');
fwrite($handle,$opt);
fclose($handle);
四、Alexa/Google Page Rank
PHP编程function page_rank($page,$type = 'alexa'){
??? switch($type){
??????? case 'alexa':
??????????? $url = 'http://alexa.com/siteinfo/';
??????????? $handle = fopen($url.$page,'r');
??????? break;
??????? case 'google':
??????????? $url = 'http://google.com/search必修client=navclient-auto&ch=6-1484155081&features=Rank&q=info:';
??????????? $handle = fopen($url.'http://'.$page,'r');
??????? break;
??? }
??? $content = stream_get_contents($handle);
??? fclose($handle);
??? $content = preg_replace("~(n|t|ss+)~",'',$content);
??? switch($type){
??????? case 'alexa':
??????????? if(preg_match('~<div class="data (down|up)"><img.+必修>(.+必修) </div>~im',$content,$matches)){
??????????????? return $matches[2];
??????????? }else{
??????????????? return FALSE;
??????????? }
??????? break;
??????? case 'google':
??????????? $rank = explode(':',$content);
??????????? if($rank[2] != '')
??????????????? return $rank[2];
??????????? else
??????????????? return FALSE;
??????? break;
??????? default:
??????????? return FALSE;
??????? break;
??? }
}
// Alexa Page Rank:
echo 'Alexa Rank: '.page_rank('techug.com');
echo '
';
// Google Page Rank
echo 'Google Rank: '.page_rank('techug.com','google');
《PHP实例：10个超级有用值得收藏的PHP代码片段》是否对您有启发，欢迎查看更多与《PHP实例：10个超级有用值得收藏的PHP代码片段》相关教程，学精学透。编程之家 52php.cn为您提供精彩教程。 （编辑：李大同）
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