forms - Why isn't PHP sending POST request? -


i try submit form, not send form. if try print post array empty.

here form:

<?php  print_r($_post); require('includes/config.php'); require('includes/auth_admin.php'); $title = "new block day"; require ('includes/header.php');  //if form has been submitted process if(isset($_post['submit'])){      if(empty($_post['name'])){     $error[] = 'please enter name.';     }      $date = $_post['date'];     $result = mysqli_query($con, "select name official_holiday date = $date");     while ($row = mysqli_fetch_assoc($result)) {     $check[] = $row;             }       if(empty($_post['date'])){     $error[] = 'please enter date.';     }elseif(!empty($_post['date'])){     $error[] = 'already block date on day.';     }      $new_date = $_post['date'];     $new_name = $_post['name'];       $query = sprintf("insert official_holiday (name, date) values ('%s', '%s')",     mysql_real_escape_string($new_name),     mysql_real_escape_string($new_date));       $result = mysqli_query($con, $query);               header("location:new_block.php?id=$id&changes=successful");      }else{     //header('0');         //exit;     }        ?>             <div class="container">         <div class="row">             <div class="col-xs-12 col-sm-8 col-md-6 col-sm-offset-2 col-md-offset-3">             <form action="new_block.php" method="post" role="form" >             <h3><?php echo $title ?></h3>             <p><a href='block_days.php'>back</a></p>             <?php             if(isset($_get['changes']) && $_get['changes'] = 'successful'){             echo '<h4>changes successful.</h4>';             }             ?>             <hr>             <label for="name">name</label>                 <div class="form-group">                     <input type="text" required name="name" id="name" class="form-control" value="<?php if(isset($error)){ echo $_post['name']; } ?>" tabindex="3">             </div>              <div class="form-group">                     <label for="datepicker">date</label>                         <div class="input-group input-append date">                             <input type="text" class="form-control" id="datepicker" name="date" placeholder="date" value="<?php if(isset($error)){ echo $_post['date']; } ?>">                             <span class="input-group-addon add-on"><span class="glyphicon glyphicon-calendar">                        </div>                     </div>              <div class="form-group">                     <input type="submit" name="submit" id="name" value="submit" class="btn btn-info btn-block" tabindex="5">             </div>             </form>         </div>     </div> </div>  <?php require('includes/footer.php');  ?>

why php not send anything?

edit: added full code, there's not can add this.

please comment redirect first:

// header("location:..")


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