javascript - Modify a value in a foreach to change another one -

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i've got question foreach loop: 

foreach ($result $row) {     $html.='<tr>               <td>'.$row['product_name'].'</td>               <td>'.recuphourminsec($row['date_add']).'</td>               <td><input type="text" name="preparationtime" id="preparationtime" value="15" /></td>               <td>'.date('h:i:s',  strtotime("+$preparationtime mins".$row['date_add'])).'</td>               <td>'.$row['lastname'].' '.$row['firstname'].'</td>               <td>'.$row['phone'].'</td>               <td>'.$row['phone_mobile'].'</td>'.'</tr>'; }

i change value of textbox on website time when order ready.

i want add value of text field preperationtime time order taken, 20:00:00 example, , display on page, 20:15:00 in example.

how value of preparationtime text box every time change modify time when order ready ?

you need use date , strtotime this:-

<td>'.date('h:i:s',  strtotime('+15 mins'.$row['date_add'])).'</td>

as comment earlier, try this:-

   $value = 10;   '<td>'.date('h:i:s',  strtotime("+$value mins".$row['date_add'])).'</td>';

you can change $value dynamically.thanks.


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