PHP各种常见方法采集调用

1<?php
2$html = file_get_contents('URL');  
3echo $html;  
4?>

1<?php
2$fh = fopen('URL', 'r');
3if($fh){
4    while(!feof($fh)) {
5        echo fgets($fh);
6    }
7}
8?>

 1<?php
 2$ch = curl_init();
 3$timeout = 5;
 4curl_setopt ($ch, CURLOPT_URL, 'URL');
 5curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
 6curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
 7$file_contents = curl_exec($ch);
 8curl_close($ch);
 9echo $file_contents;
10?>