php - checkbox values not passed through JSON -


it working fine. i'm surprise find of sudden, checkbox values not passed through in $_post via json. can't seem understand why. me this.below checkbox in php.

$subjects_id= $row['subid'];  <td><input type="checkbox" name="sub['.$subjects_id.']" id="sub" value="">     </td>';

json 

$("document").ready(function(){   $(".form").submit(function(){     var data = {       "action": "test"     };     data = $(this).serialize() + "&" + $.param(data);     $.ajax({       type: "post",       datatype: "json",       url: "response.php", //relative or absolute path response.php file       data: data,       success: function(data) {         $(".the-return").html(           "favorite beverage: " + data["favorite_beverage"] + "<br />favorite restaurant: " + data["favorite_restaurant"] + "<br />gender: " + data["gender"] + "<br />json: " + data["json"]         );          alert("form submitted successfully.\nreturned json: " + data["json"]);       }     });     return false;   }); });

i'm sure there's no problem json. doubt on php checkbox. in json key-value pairs, checkbox not passed although it's checked!

edit::

in troubleshooting, found below set of checkboxes conflicting above..so when present above checkboxes values not collected.when comment out these, above checkboxes' values collected!

<table class="small-12 medium-12 large-6 large-centered columns" class="availability">                   <tr>                       <th></th><th>weekdays</th><th>weekends</th>                   </tr>                   <tr>                       <td class="text-right">morning<br/>(8am-12m)</td>                       <td>                          <div class="switch demo3">                              <input type="checkbox" name="m_week" id="m_week">                     <label><i></i></label>              </div>                       </td>                       <td>                           <div class="switch demo3">                     <input type="checkbox" name="m_end" id="m_end">                     <label><i></i></label>               </div>                       </td>                   </tr>                   <tr>                       <td class="text-right">afternoon<br/>(12am-6m)</td>                        <td>                             <div class="switch demo3">                     <input type="checkbox" name="a_week" id="a_week">                     <label><i></i></label>                     </div>                        </td>                       <td>                           <div class="switch demo3">                     <input type="checkbox"  name="a_end" id="a_end">                     <label><i></i></label>                 </div>                       </td>                   </tr>                   <tr>                       <td class="text-right">evening<br/>(6am-10m)</td>                        <td>                             <div class="switch demo3">                     <input type="checkbox"  name="e_week" id="e_week">                     <label><i></i></label>                 </div>                        </td>                       <td>                            <div class="switch demo3">                     <input type="checkbox" name="e_end" id="e_end">                     <label><i></i></label>                 </div>                       </td>                   </tr>               </table>

your checkboxes sending true if checked, nothing if unchecked. can correct using : 

$('checkbox').each(function(){     $(this).val( checkbox[0].checked ? "true" : "false" ); });

checkbox.

this set value of checkbox "true" or "false" (value property string).


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