how to convert form values which is in a loop, into an array in php

Question

<?php 
    $question = array();
    $answer   = array();
    for($i=1; $i<=5; $i++) {
?>
<div class="container">
    <form action="" method="post">
        <div class="form-group">
            <label>Question No: <?php echo $i; ?></label>
            <?php echo "<input type='text' class='form-control' name='qu[$i]'><br/>";
            echo "<lable>Answer: </lable>";
            echo "<input type='text' class='form-control' name='ans[$i]'><br>";?>
        </div>
    </form>
</div>
<?php } ?>
<center><button name='submit' class='btn btn-primary btn-home' style="width: 200px;">Submit</button></center>

Here is my code, I want to get all data which is entered in this form. But as a array. After submit the form, this form will collect the values from a loop, so I have to collect values from this loop and convert those to an array.

Why do you open $num forms? Keep the form tags outside the loop. And check what you get in $_POST when you submit the form. — Mihailo
– Mihailo, Commented Nov 24, 2016 at 17:32
nono the $num is fine, but dont open 5 forms, open one. And does your form have an action or is it empty like here? — Mihailo
– Mihailo, Commented Nov 24, 2016 at 17:51

Mihailo · Accepted Answer · 2016-11-24 17:49:36Z

1

I think your idea is fine up to the point where you open a new form every time.

Try something like this:

<div class="container">
  <form action="" method="post">
  <?php 
    $question = array();
    $answer   = array();
    for($i=1; $i<=$num; $i++) {
  ?>
    <div class="form-group">
      <label>Question No: <?php echo $i; ?></label>
      <?php echo "<input type='text' class='form-control' name='qu[$i]'><br/>";
            echo "<lable>Answer: </lable>";
            echo "<input type='text' class='form-control' name='ans[$i]'><br>";?>        
    </div>
  <?php } ?>

    <center><button name='submit' class='btn btn-primary btn-home' style="width: 200px;">Submit</button></center>

  </form>
</div>

And to check if this is what you want just var_dump($_POST); on the page that receives the request.

answered Nov 24, 2016 at 17:49

Mihailo

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5 Comments

Azharul Islam Over a year ago

Actually I want to get the values of this from, as an array.

Mihailo Over a year ago

@AzharulIslam Ok, you should get them when you submit the form. What do you get when you submit the form?

Azharul Islam Over a year ago

Nothing, Because I didn't print anything right now. This is a form which is in a for-loop. And after submit the form, I want to get those values as a array which is entered on this form.

Mihailo Over a year ago

I'm sorry but I'm confused. How are you testing this? When you submit the form the values shall be inside $_POST global on the page targeted by the action attribute.

Mihailo Over a year ago

@AzharulIslam Glad I could help out :)

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