javascript - how to pass jquery date parameters in php -


please me.. have following codes..

             //get value of start , end of week             $('#weeklydatepicker').on('dp.change', function (e) {             var value = $("#weeklydatepicker").val();             var firstdate = moment(value, "mm/dd/yyyy").day(0).format("mm/dd/yyyy");             var lastdate =  moment(value, "mm/dd/yyyy").day(6).format("mm/dd/yyyy");              $("#weeklydatepicker").val(firstdate + " - " + lastdate);              });

now want pass firstdate , lastdate php. how should this. , how can retrieve passed value in php. i'm not familiar javascripts. hope can me. in advance.

here full code.. js tags

  <link href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/4.17.37/css/bootstrap-datetimepicker.css" rel="stylesheet"  <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.11.1/moment.min.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script> <script src="https://cdn.jsdelivr.net/bootstrap.datetimepicker/4.17.37/js/bootstrap-datetimepicker.min.js"></script>

html

 <div class="input-group" id="datedemo"> <input type='text' id='weeklydatepicker' placeholder="select week" class="form-control" /> <span class="input-group-addon"><i class="glyphicon glyphicon-calendar"></i></span>

js

 $("#weeklydatepicker").datetimepicker({             calendarweeks:true,             format: 'mm/dd/yyyy'              });              //get value of start , end of week             $('#weeklydatepicker').on('dp.change', function (e) {             var value = $("#weeklydatepicker").val();             var firstdate = moment(value, "mm/dd/yyyy").day(0).format("mm/dd/yyyy");             var lastdate =  moment(value, "mm/dd/yyyy").day(6).format("mm/dd/yyyy");             $("#weeklydatepicker").val(firstdate + " - " + lastdate);             alert(firstdate);             $.post("sample1.php",{"fdate" : firstdate ,"ldate" : lastdate});             });               $('#datedemo').on('dp.change', function (e) {             var kk = $("#weeklydatepicker").val();              $("#output").html(             "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;week number: " + moment(kk, "mm/dd/yyyy").week() + " of " +              moment(kk, "mm/dd/yyyy").weeksinyear()             );             });

sample1 code

 <?php  echo $_post["fdate"]; //for firstdate  echo $_post["ldate"]; //for lastdate  ?>

i use $.ajax() function, let handle error status well, because both practice handle errors users , indicator of going wrong script.

$.ajax({     url: 'test.php',     type: 'post',     data: {fdate : firstdate ,ldate : lastdate},     datatype: 'text',     beforesend: function(){         // initiate spinner or loading infobox         // inform user ajax request     },     success: function(response){         alert(response);         // may use result standard argument         // , call or trigger other functions according value     },     error: function(jqxhr, textstatus, errorthrown){         alert(textstatus + ': ' + errorthrown);         // call error handler or nothing     },     complete: function(){         // close spinner or loading box     } });

in php file, variables $_post['fdate'] , $_post['ldate']. once complete query , results, echo response that:

echo 'success';

or

echo 'failure';

according result of query. may use string, not success or failure. don't forget handle in success part of $.ajax() function , not error part of it. error part whatever goes wrong request (e.g. file not found or server error).

well, here tricky part: if thing want return status, may use datatype: 'text' in $.ajax() function did in example. however, if want return object useful data, such has gone wrong php query or has been accomplished php query, you'd better use datatype: 'json' , json response. in such case, end of php script change too.

$result = ['statuscode'=>1,'details'=>'some details according query here']; echo json_encode($result);

the success handler of $.ajax() function object argument (i.e. response object) can use this:

alert(response.statuscode); // alert 1

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