A super-simple and useful HTML parsing class for recent acquisitions and writes

$XP = new Xf_htmldom (); $xp->loadhtml (' http://dealer.bitauto.com/100040078/cars.html '); $rows = $xp->find (' dl/dd/a ', 0)->innertext; Print_r ($rows); $oldSetting = Libxml_use_internal_errors (true); Libxml_clear_errors (); /** * * -+----------------------------------- * | PHP5 Framework-2011 * | Web Site:www.iblue.cc * | E-mail:mejinke@gmail.com * | Date:2012-10-12 * -+----------------------------------- * * @desc HTML Parser * @author Jingke */ Class Xf_htmldom { Private $_xpath = null; Private $_nodepath = '; Public function __construct ($xpath = null, $nodePath = ") { $this->_xpath = $xpath; $this->_nodepath = $nodePath; } Public Function loadhtml ($url) { Ini_set (' user_agent ', ' mozilla/5.0 (Linux; U Android 2.1; En-us; Nexus one build/erd62) applewebkit/530.17 (khtml, like Gecko) version/4.0 Mobile Safari/530.17–nexus '); $content = "; if (Strpos (Strtolower ($url), ' http ') ===false) { $content = file_get_contents ($url); } Else { $ch = Curl_init (); $user _agent = "baiduspider+ (+http://www.baidu.com/search/spider.htm)"; $user _agent1= ' mozilla/5.0 (Windows NT 5.1; rv:6.0) gecko/20100101 firefox/6.0 '; curl_setopt ($ch, Curlopt_url, $url); curl_setopt ($ch, Curlopt_header, false); curl_setopt ($ch, Curlopt_returntransfer, 1); curl_setopt ($ch, Curlopt_referer, $url); curl_setopt ($ch, curlopt_useragent, $user _agent1); curl_setopt ($ch, curlopt_followlocation,1); $content =curl_exec ($ch); Curl_close ($ch); } $html = new DOMDocument (); $html->loadhtml ($content); $this->_xpath = new Domxpath ($html); return $this; } Public function Find ($query, $index = null) { if ($this->_nodepath = = ") $this->_nodepath = '//'; Else $this->_nodepath. = '/'; $nodes = $this->_xpath->query ($this->_nodepath. $query); if ($index = = null &&!is_numeric ($INDEX)) { $tmp = Array (); foreach ($nodes as $node) { $tmp [] = new Xf_htmldom ($this->_xpath, $node->getnodepath ()); } return $tmp; } return new Xf_htmldom ($this->_xpath, $this->_xpath->query ($this->_nodepath. $query)->item ($index)- >getnodepath ()); } /** * Get content */ Public Function text () { if ($this->_nodepath! = "&& $this->_xpath! = null) return $this->_xpath->query ($this->_nodepath)->item (0)->textcontent; Else return false; } /** * Get Property values */ Public Function getattribute ($name) { if ($this->_nodepath! = "&& $this->_xpath! = null) return $this->_xpath->query ($this->_nodepath)->item (0)->getattribute ($name); Else return false; } Public Function __get ($name) { if ($name = = ' innertext ') return $this->text (); Else return $this->getattribute ($name); } } Copy Code

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