如何传递“表单值”以感谢第1页到第3页“表单”。

I am trying to figure out how to pass "form values" from URL1 to a URL2 thank you page which has an "if" "else if" equation that decides based on a "yes" or "no" radio selection where to direct the user to the resulting URL3.

For example: I need to pass the email value from this field on the URL1 form.

...through this URL2 "thankyou.php" page...

<?php

  //echo "<pre>"; print_r($_GET);

   if($_GET["inf_option_Areyouahomeowner"] == "226") {
       // I prefer to book a phone consultation.
       $url = "http://domain.ca/consult-request";
   } else {
       // Do not qualify.
       $url = "http://domain.ca/solar-options";
   }

   header("Location:".$url);

   ?> 

...then the new form on the resulting page URL3 http://domain.ca/consult-request will have a hidden field containing the "email" field form the original form.

I've tried "as a non-php programmer to use session variables and php echo but no matter what I try the "email value" doesn't make it to URL3.

By the way, URL1 and URL3 are wordpress pages, so if I'm using Session variables I need to know where to put session start etc.

There some very simple example for session:

1.php

<?php
session_start();
$_SESSION['value'] = 123;
echo '<a href="2.php">next</a>';

2.php:

<?php
session_start();
echo '<a href="3.php">next</a>';

3.php:

<?php
session_start();
echo "value:".$_SESSION['value'];
session_destroy();

Okay, so based on the simple example that Philipp suggested and reading other posts, this is what I have so far....

1.php

<?php

session_start();

$_SESSION['inf_field_Email'] = $emailValue;

?>

form field:

<input type='text' class="inputForm" id="inf_field_Email"  ``name='inf_field_Email' size='60' placeholder="Enter Valid Email Here" />

2.php

<?php
session_start();
$_SESSION['inf_field_Email']; 
?>

3.php

<?php
session_start();
$_SESSION['inf_field_Email']; 
 ?>

form field:

<input name="inf_field_Email" type="hidden" value="<?php echo $_GET['inf_field_Email']; ?>

However, the hidden field is still not being populated on 3.php.