php 來抓取網頁的文字內容

$city=$_GET['city'];

$city=str_replace(" ", "", $city);


//  "http://www.weather-forecast.com/locations/".$city."/forecasts/latest"  ->   網址
$content=file_get_contents("http://www.weather-forecast.com/locations/".$city."/forecasts/latest");


//   \"  ->  "        \/  -> /      ,  s ->  space  ,  正規表示法
preg_match("/<\/b><span class=\"read-more-small\"><span class=\"read-more-content\"> <span class=\"phrase\">(.*?)<\/span>/s", $content, $matches);

echo $matches[0];