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Automatic form submission after sometime


Go to solution Solved by jazzman1,

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Hi

I want to submit the form automatically after sometime,. I have written the code , but its not redirecting/submitting. Don't know why.. Have a look

Thanks

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
setTimeout(function(){document.getElementById("exam").submit()},2000);
</script>
</head>
<body>
 <?php 
date_default_timezone_set('Asia/Kolkata');
echo"Start Time: ".$starttime=date('H:i:s')."<br/><br/>"; 
 $startstamp=time();
?>

<form action="inde x1.php" method="post" id="exam" name="exam">

	Q1 Your Gender<br/>
	<input type="radio" value="male" name="gender"> Male

	<input type="radio" value="female" name="gender"> Female
	<br /><br /><br />
	Q2 You Married<br/>
	<input type="radio" value="yes" name="marriage"> Yes

	<input type="radio" value="female" name="marriag e"> No
	<br /><br /><br />

	Q3 2+2<br/>
	<input type="radio" value="4" name="add"> 4

	<input type="radio" value="22" name="add"> 22
	
	<input type="hidden" value="<?php echo $starttime; ?>" name="starttime"><br/>
	<input type="hidden" value="<?php echo $startstamp; ?>" name="startstamp"><br/>
	
	<input type="submit" name="submit">
</form>


</body>
</ html>
 

There is a problem.. No value is displaying on index1.php

 

Here is the code for index1.php

<?php

if(isset($_POST['submit']))
{
	extract($_POST);
	
	echo "Start time: ".$starttime."<br/>";
	echo "End time: ".$endtime=date('H:i:s')."<br/>";

	$endstamp=time();
	
	echo "Time-taken : ".$timetaken=($endstamp-$startstamp)/60;
}

?>

Thanks jazzman1 , that works.

but i can't get the logic.

 

The submit method submits the specified form as if a submit element (button) was pressed. But the problem is that you also have in the form  a submit object element whose property name is using the same name (submit). So, when you set a property name to submit (it doesn't matter which type of the form), you override the submit() function on the form.

 

@To the 2nd question, most likely you need to change if(isset($_POST['submit'])) to if(isset($_POST['send'])), where $_POST('send') is the name of the submit button.

Edited by jazzman1
  • Solution

Because js submit() method works like <button type="submit"> Click Me</button>, so the button element isn't as input elements, when the form is being submitted it's omitted from the form. Just create an input hidden element and check its value in the server side. 

you can make this simple test to see what I'm talking about,

<form name="f1" action="display.php" method="post">  
        <input type="text" name="test_input" value="some input text" />
        <input type="submit" name="test_submit" value="query" />
        <button type="submit">Click Me!</button>
</form>

Result:

 

Array ( [test_input] => some input text )

Edited by jazzman1
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