submit input text on checked box - php

Question

I want to submit a form which posts the input text field when the current line checkbox is checked.
When I submit, I get the productID of the checked box but all of the productLink. I want to only get the input text of the corresponding checked box.
How do I go about this?
<form action="process.php" method="post">
<table>
<tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[]" /></td>
</tr><tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[]" /></td>
</tr><tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[]" /></td>
</tr><tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[]" /></td>
</tr><tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[]" /></td>
</tr>
</table>
<input type="submit" name="formSubmit" value="Submit" />
</form>

Answer 1

You can find a lot of solution, so in my opinion you should look this one
HTML Element Array, name="something[]" or name="something"?
You can't this way, but there are some alternative method for example, when user check to checkbox then you could call a javascript function create an array and send json stringify data your php.
another way like below;
in your html
<form method="post">
<table>
<tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[<?= $products->id; ?>"]"></td>
</tr>
<tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[<?= $products->id; ?>"]"></td>
</tr>
<tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[<?= $products->id; ?>"]"></td>
</tr>
<tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[<?= $products->id; ?>"]"></td>
</tr>
<tr>
<td><input type="checkbox" name="productId[]" value="<?= $products->id; ?>" /> <input type="text" name="productLink[<?= $products->id; ?>"]"></td>
</tr>
</table>
<input type="submit" name="formSubmit" value="Submit" />
</form>
in your php (suppose in codeigniter because you tagged it)
function some_func_name(){
$product_ids = $this->input->post('productId');
$posted_product_links = $this->input->post('productLink');
$selected_links = [];
for($product_ids as $id){
$p_link = $posted_product_links[$id];
array_push($selected_links, array('id' => $id, 'link' => $p_link));
}
}
I hope this may help you..

Answer 2

update your by following codes
HTML
<form action="process.php" method="post">
<table>
<tr>
<td>
<input type="checkbox" name="productId[1]" value="<?=$products->id;?>" <?= set_checkbox('productId[1]', $products->id);?> />
<input type="text" name="productLink[1]" value="<?= set_value('productLink[1]');?>"/>
</td>
</tr><tr>
<td>
<input type="checkbox" name="productId[2]" value="<?=$products->id;?>" <?= set_checkbox('productId[2]', $products->id);?> />
<input type="text" name="productLink[2]" value="<?= set_value('productLink[2]');?>" />
</td>
</tr><tr>
<td>
<input type="checkbox" name="productId[3]" value="<?=$products->id;?>" <?= set_checkbox('productId[3]', $products->id);?>/>
<input type="text" name="productLink[3]" value="<?= set_value('productLink[3]');?>" />
</td>
</tr><tr>
<td>
<input type="checkbox" name="productId[4]" value="<?=$products->id;?>" <?= set_checkbox('productId[4]', $products->id);?> />
<input type="text" name="productLink[4]" value="<?= set_value('productLink[4]');?>" />
</td>
</tr><tr>
<td>
<input type="checkbox" name="productId[5]" value="<?=$products->id;?>" <?= set_checkbox('productId[5]', $products->id);?> />
<input type="text" name="productLink[5]" value="<?= set_value('productLink[5]');?>" />
</td>
</tr>
</table>
<input type="submit" name="formSubmit" value="Submit" />
</form>
Controller
public function some_func_name(){
if($this->input->post()){
$checkbox = $this->input->post('productId');
$textbox = $this->input->post('productLink');
$selected = #array_intersect_key($textbox, $checkbox);
echo '<pre>';
print_r($selected);
}
}
codes here : https://pastebin.com/UC1UFPRF

Answer 3

I ended up using jquery to remove the obj when they were empty.
$(document).ready(function(){
$("form").submit(function(){
$("input").each(function(index, obj){
if($(obj).val() == "") {
$(obj).remove();
}
});
});
});