Using Arrays as Field Names - Form Validation bug?

Posted: 19 September 2009 03:47 AM

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Summer Student

Total Posts: 2

Joined 09-19-2009

Hello,
I`m working on my first app with CI, and got a problem with using arrays in forms and validating it with form_validation - I`m doing everything just how user guide tells to do, so I believe it’s a bug.

The problem is that when I have an array input like


<input type="text" name="sth[]" value="set_value('sth[]')">

and use a rule like


$this->form_validation->set_rules('sth[]', 'Something', 'required');

whenever I have to “re-populate” the form after submitting any value to such field it’s value is “Array”, when it should be the value I submitted there.

Problem existed in previous 1.7.1 version, and still exists in latest 1.7.2
I hope it’s me who’s doing something wrong, it’s quite urgent for me, so big thanks for any support.

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brianw1975

Posted: 19 September 2009 09:19 PM

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Lab Assistant

Total Posts: 281

Joined 02-12-2009

it’s doing exactly as it should.

you need to put in a key name or number to access a certain value in the array.

for example use set_value(‘sth[0]’) in your first input with sth[] for the name.

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bitterseed

Posted: 26 September 2009 04:26 AM

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Summer Student

Total Posts: 2

Joined 09-19-2009

Thank You for help,
but even when I have the index there


<input type="text" name="sth[]" value="<?= set_value('sth[0]'); ?>">

set_value always returns nothing. I hope I don’t have to set rules for every index of an array separately. And why in latest user guide there’s and example of using arrays

<input type="text" name="options[]" value="<?php echo set_value('options[]'); ?>" size="50" /> 

- no index in set_value?

—- edit
ok, I see that this bug is already reported here, too bad it still exists :/

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sheldonnbbaker

Posted: 10 December 2009 05:17 AM

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Grad Student

Total Posts: 42

Joined 01-21-2009

I’m having this problem as well. The user guide clearly says to use the EXACT field name, but:

<input type="text" name="items[]" value="<?= set_value('items[]'); ?>" class="text" id="new-maintenance-item-1" />
<input type="text" name="items[]" value="<?= set_value('items[]'); ?>" class="text" id="new-maintenance-item-2" />
<input type="text" name="items[]" value="<?= set_value('items[]'); ?>" class="text" id="new-maintenance-item-3" /> 

and

array('field' => 'items[]', 'label' => 'Items', 'rules' => 'min_length[3]'), 

will give me ‘Array’ in the field after submitting.

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