Online PHP editor | output for ApKvQ

<?php $content = '<th class="title"> <div class="subject"> <a href="158391487256182472-1-1.html" title="Jomashop：Swarovski"></a> </div> </th> <td class="author"> <a href="profile-42357964-1.html" title="author"><span>cat</span></a> <span>2017-02-16</span> </td> <div class="link0 list-side-hd moderator-noborder obj2subject"><h3 class="fl"></h3></div><ul class="list-side-bd list-recommend list-recommend2 link1"><li><a target="_blank" href="//go.cqmmgo.com/forum-462505-thread-94061456905358538-1-1.html"><img width="120" height="160" title="#" alt="#" src="//att3.citysbs.com/120x120/chongqing/2016/03/09/09/160x120-092826_v2_11861457486906377_58b326482e2aa1f1da0f8455ac42187f.jpg"></a></li><li><a target="_blank" href="//go.cqmmgo.com/forum-462505-thread-179021457000027333-1-1.html"><img width="120" height="160" title="#" alt="#" src="//att3.citysbs.com/120x120/chongqing/2016/03/09/09/160x120-092826_v2_20771457486906773_31eb80d49e9ef06418003e577cc1453f.jpg"></a></li><li><a target="_blank" href="//go.cqmmgo.com/forum-462505-thread-93091456983256969-1-1.html"><img width="120" height="160" title="#" alt="#" src="//att3.citysbs.com/120x120/chongqing/2016/03/09/09/160x120-092827_v2_20231457486907098_05bc3d4608c961af0660722e03049e20.jpg"><span>abc</span></a></li><li><a target="_blank" href="//go.cqmmgo.com/forum-462505-thread-13801456844284137-1-1.html"><img width="120" height="160" title="#" alt="#" src="//att3.citysbs.com/120x120/chongqing/2016/03/09/09/160x120-092827_v2_14121457486907436_d49c002ba8675553c5436e80f305aca7.jpg"><span>xxxxxxxxxxxxxxxxxxxxxxxxxxxxx</span></a></li></ul></div>'; $ret = preg_match_all('/subject[\s\S]+?href="(.+?)"[\s\S]+?title="([\s\S]+?)"[\s\S]+?profile/', $content, $matches); var_dump($matches); // have array result var_dump($ret); // bug the return value is false