如何使用php从xpath中获取结果?
我正试图用php将文本从xpath/html中提取出来,但没有成功的想法 例如: 我的xpath(这是正确的,我已经仔细检查过了)如何使用php从xpath中获取结果?,php,jquery,html,xpath,Php,Jquery,Html,Xpath,我正试图用php将文本从xpath/html中提取出来,但没有成功的想法 例如: 我的xpath(这是正确的,我已经仔细检查过了) /*[@id=“bodyContent”]/div/div/div[3]/div[1]/div[1]/div[2]/div[1]/div/b 我想使用php获得一个显示在这里的结果result 下面是我的代码: <?php public function getNortonSafe($domain) { try { $callback_url
/*[@id=“bodyContent”]/div/div/div[3]/div[1]/div[1]/div[2]/div[1]/div/b
我想使用php获得一个显示在这里的结果result
下面是我的代码:
<?php
public function getNortonSafe($domain)
{
try
{
$callback_url = "https://safeweb.norton.com/report/show?url=google.com"; //. $domain;
$curl_response = $this->curl->get($callback_url);
if ($curl_response->headers['Status-Code'] == "200") {
libxml_use_internal_errors(TRUE);
$this->dom_doc->loadHTML($curl_response);
libxml_use_internal_errors(FALSE);
$xpath = new DOMXPath($this->dom_doc);
$tmp = $xpath->query('//*[@id="bodyContent"]/div/div/div[3]/div[1]/div[1]/div[2]/div[1]/div/b')->item(0)->textContent);
$tmp = explode(' ', trim($tmp));
$norton_site_test = str_replace(",", "", $tmp[0]);
} else {
$norton_site_test = "0";
}
$response = array(
'status' => 'success',
'data' => array(
'norton_site_test' => filter_var($norton_site_test, FILTER_SANITIZE_STRING)
)
);
}
catch (Exception $e)
{
$response = array(
'status' => 'error',
'msg' => $e->getMessage()
);
}
return $response;
}
?>
HTML
此处为结果文本
执行$xpath->query('some xpath here')->text(0)
行时发生错误:致命错误:调用未定义的方法DOMNodeList::text()
。请检查您的PHP设置
方法返回只有项方法的DOMNodeList
对象(请参阅)。
您需要拨打:
$xpath->query('somexpath here')->item(0)->textContent
从收到的DOMNodeList对象中获取第一个节点的文本内容。只需更新此代码,感谢@camelsWrite-现在可以使用了!使用此干净的代码并经过测试:
您的XPath查询非常复杂,您确定不能简化它吗?这样的深度嵌套非常脆弱,我尝试过了,但仍然不起作用-我想我在这里遇到了一个问题`'norton_site_test'=>filter_var($norton_site_test)`如何过滤文本
?提前感谢我使用了filter\u var($norton\u site\u test,textContent)
使用这个函数就足够了。
<body>
<p id="norton_site_test"> result-text-here </p>
</body>
public function getNortonSafe($domain)
{
try
{
$callback_url = "https://safeweb.norton.com/report/show?url= . $domain; //e.g $url: "https://safeweb.norton.com/report/show?url=google.com
$curl_response = $this->curl->get($callback_url);
if ($curl_response->headers['Status-Code'] == "200") {
libxml_use_internal_errors(TRUE);
$this->dom_doc->loadHTML($curl_response);
libxml_use_internal_errors(FALSE);
$xpath = new DOMXPath($this->dom_doc);
$tmp = $xpath->query('//*[@id="bodyContent"]/div/div/div[3]/div[1]/div[1]/div[2]/div[1]/div/b')->item(0)->textContent);
$tmp = explode(' ', trim($tmp));
$norton_site_test = str_replace(",", "", $tmp[0]);
} else {
$norton_site_test = "0";
}
$response = array(
'status' => 'success',
'data' => array(
'norton_site_test' => filter_var($norton_site_test)
)
);
}
catch (Exception $e)
{
$response = array(
'status' => 'error',
'msg' => $e->getMessage()
);
}
return $response;
} ?>