深入file_get_contents与curl函数的详解

< ?php
$file_contents = file_get_contents('https://.jb51.');
echo $file_contents;
?>

< ?php
$ch = curl_init();
$timeout = 5;
curl_set ($ch, CURLOPT_URL, 'https://.jb51.');
curl_set ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_set ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
echo $file_contents;
?>

< ?php
function vita_get_url_content($url) {
if(function_exists('file_get_contents')) {
$file_contents = file_get_contents($url);
} else {
$ch = curl_init();
$timeout = 5;
curl_set ($ch, CURLOPT_URL, $url);
curl_set ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_set ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$file_contents = curl_exec($ch);
curl_close($ch);
}
return $file_contents;
}
?>