php curl populating variables with html drop down selection

Question

I am new to php and trying to get a php curl request variable to be populated from a html drop down form. I want this request to reload the page upon selection. The following code below give this error

select.php:19 Uncaught TypeError: document.getElementById(...).submit is not a function at change (select.php:19) at HTMLSelectElement.onchange (select.php:10)

<html>          
<head>
</head>

<body>

 <form method="post">
 <select id="wipname2" name="wipname2" style='position: relative' onchange="change()">
     <option value="site1.com">site1.com</option>
     <option value="site2.com">site2.com</option>
     <option value="site3.com">site3.com </option>
 </select>
 </form>

 <script>
 function change(){
     document.getElementById("wipname2").submit();
 }
 </script>

<?php

 $curl = curl_init();

curl_setopt_array($curl, array(
  //CURLOPT_URL => 'https://example.com/MagicService/rest/ltmNode?wipNames='.$_GET["wipnames2"],
  CURLOPT_URL => "https://example.com/MagicService/rest/ltmNode?wipNames=".'$_GET["wipnames2"]',
// CURLOPT_URL => "https://example.com/MagicService/rest/ltmNode?wipNames=content.gslb.fmr.com",
//  CURLOPT_URL => "https://example.com/MagicService/rest/ltmNode?wipNames=$value",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => array(
    "Accept: application/json",
    "Cache-Control: no-cache",
    "access-token: df11c69eabb9eab4abaf4bcc6b1e62a26025e830",
    "password: ",
    "username: "
  ),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
        //fwrite($output,$response);
//print_r (explode(" ",$response));
echo $response;

}

?>

</body>
</html>

You can change <form method="post"> to <form id="theForm" method="post"> and then change document.getElementById("wipname2").submit(); to document.getElementById("theForm").submit(); — Hackerman
– Hackerman, Commented Oct 8, 2018 at 15:35
can anyone explain why the url is not working with this at the end '.$_GET["theForm"] — Dk 68 61 63 6b
– Dk 68 61 63 6b, Commented Oct 9, 2018 at 23:34

Gufran Hasan · Accepted Answer · 2018-10-08 15:31:02Z

1

submit() is a reference to the text input with name="submit" in form.

put <input type="hidden" name="submit" value="submit" /> inside form and then it will work.

reference

answered Oct 8, 2018 at 15:31

Gufran Hasan

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Comments

Hackerman · Accepted Answer · 2018-10-08 18:46:59Z

0

The issue is with this piece of code document.getElementById("wipname2").submit();. wipname is a select control, and it doesn't have a submit event. But you have that control inside a form, so you can make that work with just some minor changes:

You can change <form method="post"> to <form id="theForm" method="post"> in order to add an identifier(id) to your form.
And then change document.getElementById("wipname2").submit(); in your change function, to document.getElementById("theForm").submit(); in order to trigger your form submit event.

edited Oct 8, 2018 at 18:46

answered Oct 8, 2018 at 18:00

Hackerman

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