Pass variable from input to form

Question

How can I pass variable from input field to form like this and is it possible?

<form method="POST" action="https://accounts.google.com/o/oauth2/auth?login_hint=<?= $_GET['email']?>" id= "frmTest" name = "frmTest">
   <input type="email" id="email" name="email"  />
   <input type="submit" id="submit" name="submit" />
</form>

Or maybe with javascript somehow? When user fill out that form and click on submit button I want that form redirect him to https://accounts.google.com/ where it will display that email and user will just enter his password

I do not see a problem in the code , have you tried and found any error? — Satya
– Satya, Commented Oct 19, 2013 at 13:55
It should work fine by using regular post code. Also you are missing an end-quote after the id tag. What is it you have tried, and what is your actual problem with the usual approach? — Sarkilas
– Sarkilas, Commented Oct 19, 2013 at 13:58
when i run this code... email field on login page of google is empty but when i write manual email on login_hint = [email protected] it appears on login page of google...if u know what i mean — user2888148
– user2888148, Commented Oct 19, 2013 at 13:58
Is your intentions to have the email that is typed into the email field to be added to the address, then JavaScript is a lot easier for this. Just have a click event that leads you to the link with the email appended at the end dynamically. Not sure if this is exactly what you desire to do, though. — Sarkilas
– Sarkilas, Commented Oct 19, 2013 at 14:02

Line · Accepted Answer · 2013-10-19 14:15:43Z

3

I think that I see solution. You are sending data by POST method, but expect that they be in $_GET variable. Change one of methods (POST/GET) to another in Your code.

edited Oct 19, 2013 at 14:15

answered Oct 19, 2013 at 13:59

Line

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Sébastien · Accepted Answer · 2013-10-19 22:16:21Z

2

If you use the POST method in your form, you can't add GET query parameter in your action attribute.

In a POST form these parameters in the action URL will be discarded. So either send your form as GET (method="GET") and keep the query string as is, or keep it as POST and add the fields in hidden inputs like:

<form method="POST" action="https://accounts.google.com/o/oauth2/auth" id="frmTest" name="frmTest">
  <input type="hidden" name="login_hint" value="<?php echo $_GET['email']; ?>" />
  <input type="submit" id="submit" name="submit" />
</form>

edited Oct 19, 2013 at 22:16

answered Oct 19, 2013 at 14:05

Sébastien

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Comments

kaesve · Accepted Answer · 2013-10-19 13:57:52Z

2

You can add it to a hidden input like this:

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

answered Oct 19, 2013 at 13:57

kaesve

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