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  • How to save multiple checkbox

    Running out of time here so here goes coz I have a defense the day after tomorrow. So here goes: I’m trying to save a multiple checkbox but somehow cant get it right.

    <form method="post" action="<?php echo base_url()?>admin/requirements">
                <table cellpadding="0" cellspacing="0" border="0" width="100%"><tbody>
                    <tr><td colspan="3"></td>
                        <td colspan="8" align="center"><font size="6px"></font>
                    <th width="150">Names</th><th width="40" style="font-size: 10px;">Projects</th>
                    <th width="40">Res</th><th width="40">Und</th><th width="40">WnP</th>
                    <th width="40">MOA</th><th width="40">DTR</th><th width="40">Doc</th>
                    <th width="40">Ref</th><th width="40">Pho</th><th width="40">Vid</th>
                        foreach($req_list->result() as $item){ 
                            echo "<input type='hidden' name='student[]' value='".$item->student_id."'>";
                            echo "<tr><td>".$item->fullname."</td>";
                            echo "<td><a href='".base_url()."admin/projects_view/".$item->g_id."'>Group ".$item->group_no."</a></td>";
                            echo "<td><input type='checkbox' name='res[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='und[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='wnp[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='moa[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='dtr[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='doc[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='ref[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='pho[]' value='1'></td>";
                            echo "<td><input type='checkbox' name='vid[]' value='1'></td>";
                            echo "</tr>";
                <div align="center">
                <button type="submit" class="button" id="deleteb"><div><b>&nbsp;&nbsp;Save Setting&nbsp;&nbsp;</b></div></button>
                <input type="hidden" name="save" value="save"/></div>

  • #2
    Make all checkbox names the same ...
    and give them different values ...

    name='checkbox[]' value='res'
    name='checkbox[]' value='und'
    name='checkbox[]' value='wnp'


    Read it in as one array ...


    Loop through ... the array will only contain the ones that are checked ...

    foreach($boxes as $item){
    echo $item."<br />";



    • #3
      First of all thanks for the reply.

      I can't do that, since I'm pulling the data from my db. The rows in the table will contain at least 40 people with each 9 checkbox. Also the value must only be 1 or 0.

      The module that I'm working right now is a Requirement Checker


      • #4
        I'm not seeing the problem ...

        To process the checkbox form:
        make the values the name of your columns ...

        name='checkbox[]' value='res'
        name='checkbox[]' value='und'
        name='checkbox[]' value='wnp'

        When you do the table update, default them all to 0, then loop through
        the checkbox[] array. Any of the values that appear (checkbox checked),
        set them to a 1.

        foreach($boxes as $item){

        note: $$item (double $$) is deliberate.
        "variable of a variable" ... so if the value of $item is "wnp", $wnp will be changed to a value of 1.

        If your concern is reading the table and creating the form (with appropriate ones checked),
        that's a different process.

        Is your problem creating the form, or processing the form?

        Last edited by mlseim; Aug 23, 2011, 02:11 PM.


        • #5
          ok, got your idea. Now how can I point the id of the row since I am updating the data in my table. My id is student_id and as you can see to my original post I've set it hidden in my input. Is it right?