[PHP]PHP获取目标网站标题源码

<?php
if ($_GET['url']) {
$site='http://';
$url=trim($site.$_GET['url']);
$info=file_get_contents($url);
header('Content-type:text/json');
preg_match('|<title>(.*?)<\/title>|i',$info,$m);
if($url){
$result=array("code"=>"200","title"=>$m[1]);
echo json_encode($result,JSON_UNESCAPED_UNICODE);
}else{
$result=array("code"=>"201","meg"=>"ERREO");
echo json_encode($result,JSON_UNESCAPED_UNICODE);
}
}else{
$result=array("code"=>"201","meg"=>"ERREO");
echo json_encode($result,JSON_UNESCAPED_UNICODE);
}
?>


使用方式:http://xxx.com/xxx.php?url=www.baidu.com