[zmbz]

Hello.
I'm a novice at using php (as you may have heard so many times) and I need guidance for making a timer that executes an action after a set interval. I need at least a hint of a function I could use (even in java under php, or a link).
What I want to do: to make a test that involves a set of questions from a data base-using MySQl (it's all working), but I want to display each question at a set interval of time. For example: I display in a frame the first question, I display the set of answares to choose from (using radio buttons) than I want to alow 1 minute to the user to answer it and then to apear the second question beneeth (under) the first with it's own set of answers, and so on. All I need is to wait 1 minute (or an interval af time, in general) before doing the next action - > showing a question or ending the test and going to another page...
I have tried this way:
//I konow the interval of time in minutes: $duration
$time0=date("i");
$time1=$time0+$duration;
if ($time1>60)
{
$time1=$time1-60;
while (date("i")<=59);
while (date("i")<=$time1);
}
else
{
while (date("i")<=$time1);
};
//action ...open another page...

but all disapears from the frame



I have tried even with sleep(seconds), but it has the same effect.


Thank you.

[Barnz1986]

Originally Posted by zmbz

Hello.
I'm a novice at using php (as you may have heard so many times) and I need guidance for making a timer that executes an action after a set interval. I need at least a hint of a function I could use (even in java under php, or a link).
What I want to do: to make a test that involves a set of questions from a data base-using MySQl (it's all working), but I want to display each question at a set interval of time. For example: I display in a frame the first question, I display the set of answares to choose from (using radio buttons) than I want to alow 1 minute to the user to answer it and then to apear the second question beneeth (under) the first with it's own set of answers, and so on. All I need is to wait 1 minute (or an interval af time, in general) before doing the next action - > showing a question or ending the test and going to another page...
I have tried this way:
//I konow the interval of time in minutes: $duration
$time0=date("i");
$time1=$time0+$duration;
if ($time1>60)
{
$time1=$time1-60;
while (date("i")<=59);
while (date("i")<=$time1);
}
else
{
while (date("i")<=$time1);
};
//action ...open another page...

but all disapears from the frame



I have tried even with sleep(seconds), but it has the same effect.


Thank you.

I think you would need to use Javascript because PHP is executed server side, you might be able to make a script that takes a minute to execute but there would be no point, because all they would see is a blank page for a minute (or half a page etc).

[mab]

Here is an idea, using a Javasript found on dynamicdrive -
http://www.dynamicdrive.com/dynamici.../seqreveal.htm

Using this javascript as a basis, you could build pages using PHP with your questions -
<div class="revealcontent">Put question1, answers, and links here via PHP.</div>
<div class="revealcontent">Put question2, answers, and links here via PHP.</div>

These will be revealed in turn.

The biggest gotya with this is if they refresh the page, it would start over with the 1st question, but this should be fairly easy to solve.

[zmbz]

Thank you, mab for your sugestion. I'll try that.