如何使用PHP简单的html dom解析器从html中查找值

Question

HOW TO GET THIS VALUE="NAME" FROM ABOVE CODE

i tried this code

<?php
// example of how to use basic selector to retrieve HTML contents
include('simple_html_dom.php');
// get DOM from URL or file
$html = file_get_html('sample.html');
$name = $html->find('.input-group #cpBody_txt_Data_UserName', 0)->innertext;
//echo $html->find('.ssoCitizenName #ssolbl_DisplayName', 0)->plaintext;
echo $name
// extract text from HTML

?>

<input name="ctl00$cpBody$txt_Data_UserName" type="text" autocomplete="off" value="JOHN DOE" maxlength="100" id="cpBody_txt_Data_UserName" tabindex="1" class="form-control">

i used this code to show value but getting blank page.

I NEED value="JOHN DOE" THIS IN output

Answer 1

You should use getAttribute function:

$name = $html->find('.input-group #cpBody_txt_Data_UserName', 0);
echo $name->getAttribute("value");