php基于Snoopy解析网页html的方法_php技巧

set_time_limit(0);
$user = array('20517', '20518');
header("content-Type: text/html; charset=utf-8");
require_once './Snoopy.php';
$snoopy = new Snoopy();
//$uri = 'http://www.juzimi.com/meitumeiju';
$uri = 'http://www.juzimi.com/meitumeiju?page=1';
$snoopy->fetch($uri);
$con = $snoopy->getResults();
$doc = new DOMDocument();
$doc->loadHTML($con);
/* make a result array ... */
$result = [];
/* go through all nodes which have class="baby" ... */
$i = 0;
foreach( ( new DOMXPath( $doc ) )->query( '//*[@id="bdshare"]' ) as $element ) {
  $row = $doc->saveHTML($element);
  $start = stripos($row, '{');
  $end = stripos($row, '}');
  $len = $end - $start + 1;
  $json = substr($row, $start, $len);
  $json = str_replace("'", '"', $json);
  $obj = json_decode($json);
  $pic = $obj->pic;
  $desc = $obj->desc;
  $filename = '/Uploads/meiju/card' . date('ymdhis') . $i . '.png';
  $file = '/alidata/www/test' . $filename;
  $image = file_get_contents($pic);
  file_put_contents($file, $image);
}