Get The Value Of A Html Input Element As A Php String

I have a html file loaded as a string in php, and I need to get the values of the input elements in the HTML string. Can someone help me build a function which takes the name of th

Solution 1:

Here is an example with DOM:

$html="<form action = \"action.php\">
  <input type=\"hidden\" name=\"command\" value=\"123456\">
  <input type=\"hidden\" name=\"quantity\" value=\"1\">
  <input type=\"hidden\" name=\"user_mode\" value=\"1\">
  <input type=\"hidden\" name=\"stock\" value=\"-1255303070\">
  <input type=\"hidden\" name=\"id\" value=\"429762082\">
  <input type=\"hidden\" name=\"pidm\" value=\"2\">
</form>";

$document= new DOMDocument();
$document->loadHTML($html);

$inputs=$document->getElementsByTagName("input");

foreach ($inputsas$input) {
  if ($input->getAttribute("name") =="id") {
    $value=$input->getAttribute("value");
  }
}

echo $value;

Solution 2:

Load the HTML in a DOMDocument, then a simple XPath query would to the trick:

$xpath = new DOMXPath($domDocument);
$items = $xpath->query('//*[@name="command"]/@value');
if ($items->length)
    $value = $items->item(0)->value;