2016-03-15 45 views
-1

我一直試圖解決這個問題我的2天現在,我想不出任何其他事情了。
行126,129和132上的未定義變量。
我一直試圖使用isset或empty來獲得輸出,但它似乎不工作。

希望你們能幫助我:)未定義的變量,即使使用isset

<body> 
    <head> 
     <script src="js/jquery.js"></script> 
     <script src="js/bootstrap.min.js"></script> 
     <script src="js/smoothscroll.js"></script> 
     <script src="js/resetOnClick.js"></script> 

     <link href="css/bootstrap.min.css" rel="stylesheet"/> 
     <link href="css/styles.css" rel="stylesheet"/> 
     <link href="css/notifbox.css" rel="stylesheet"/> 
    </head> 

    <center><label class="control-label" style="font-size:30px">Reservation</label></center> 
    <center><label class="control-label" style="font-size:15px">Edit Record</label></center> 
    <br/> 
    <br/> 

    <?php 
    //$id = isset($_GET['id'])? $_GET['id'] : ""; 
    if(isset($_POST['editreservation'])) 
    { 
     include('config/config1.php'); 
     $rsvtn = $_POST['editreservation']; 
     $sel = "SELECT venue.venue_type, reservation.reservation_date, reservation.reservation_time 
     FROM venue 
     INNER JOIN reservation ON reservation.Venue_idVenue = venue.idVenue where idReservation = '2';"; 
     $query = mysqli_query($conn,$sel); 
     echo $sel; 
     if(!$editreservation) 
{ 
    printf("Error: %s\n", mysqli_error($conn)); 
    exit(); 
} 

     while($detail = mysqli_fetch_array($query)) 
     { 
      $rid = $detail['idReservation']; 
      $ven = $detail['venue_type']; 
      $res_t = $detail['reservation_date']; 
      $res_d = $detail['reservation_time']; 
      echo $ven; 
    ?> 

    <form class="form-horizontal form-label-left" method="post"> 

     <div class="form-group"> 
       <!--BACK Button--> 
       <a href="Reservation Records.php" class="col-md-6 col-md-offset-3" style="font-size:20px">Back</a> 
       <!--BACK Button--> 
     </div> 
     <!--<input type="hidden" name="submitted" value="true"/>--> 
      <div class="item form-group"> 
       <label class="control-label col-md-3 col-sm-3 col-xs-12">Venue<span class="required">*</span></label> 
        <div class="col-md-6 col-sm-6 col-xs-12"> 
         <input id="venue_type" data-content="<?php echo $ven;?>" class="form-control col-md-7 col-xs-12" name="venue_type" placeholder="Venue" required="required" type="text" value="<?php echo $ven;?>"> 
        </div>   
      </div> 

      <div class="item form-group"> 
       <label class="control-label col-md-3 col-sm-3 col-xs-12" for="name">Reservation Date<span class="required">*</span> 
       </label> 
       <div class="col-md-6 col-sm-6 col-xs-12"> 
        <input id="reservation_date" data-content="<?php echo $res_d;?>" class="form-control col-md-7 col-xs-12" name="reservation_date" placeholder="Reservation Date" required="required" type="date" value="<?php echo $res_d;?>"> 
       </div> 
      </div> 

      <div class="item form-group"> 
       <label class="control-label col-md-3 col-sm-3 col-xs-12" for="name">Reservation Time<span class="required">*</span></label> 
       <div class="col-md-6 col-sm-6 col-xs-12"> 
        <input id="reservation_time" data-content="<?php echo $res_t;?>" class="form-control col-md-7 col-xs-12" name="reservation_time" placeholder="Reservation Time" required="required" type="time" value="<?php echo $res_t;?>"> 
       </div> 
      </div> 



      <div class="ln_solid"></div> 
      <div class="form-group"> 
       <div class="col-md-6 col-md-offset-3"> 
        <input type="hidden" name="updRsvtn" value="<?php echo $detail['idReservation'];?>"> 
        <input type="submit" class="btn btn-primary submits" value="Save Edited" onClick="Reservation Records.php" > 
       </div> 
      </div> 
      <?php 
     } 
    } 
    ?> 
    <?php 
    if(isset($_POST['updRsvtn'])) 
     { 
      include('config/config1.php'); 



      $ven = $_POST['venue_type']; 
      $res_d = $_POST['reservation_date']; 
      $res_t = $_POST['reservation_time']; 



      if(!mysqli_query($conn,"UPDATE reservation, venue SET venue_type = '$ven', reservation_date = '$res_d', reservation_time = '$res_t' WHERE idReservation = '$id'")) 
      { 
       echo "Not Queried: Wrong variables !"; 
      } 
      else 
      { 
       header("Location: Reservation Records.php"); 

      } 
      mysqli_close($conn); 
     } 
    ?> 
    </form> 

    <table class = "notif pos"> 
     <thead> 
     <tr> 
      <th><center/><b>*Old Record</b></th> 
     </tr> 
     </thead> 

     <tbody> 
     <tr> 
      <td><center/><?php echo $ven;?></td> 
     </tr> 
     <tr> 
      <td><center/><?php echo $res_d;?></td> 
     </tr> 
     <tr> 
      <td><center/><?php echo $res_t;?></td> 
     </tr> 
     </tbody> 
    </table> 


</body> 

+2

請指定代碼中的哪些行是126,129和132? – RK12

+0

126 is​​

<?php echo $ ven;?> –

+1

您似乎無法理解問題。在那一行上,該變量不存在。爲什麼它不存在?因爲你之前沒有定義過它。爲什麼之前沒有定義?因爲所有'if'和'while'條件取決於'false'的位置,它從來沒有被聲明過。找出原因,並/或改變你的邏輯以確定它的定義,並且/或者當它沒有被定義時不試圖輸出它。 – deceze

回答

0

一個未定義的變量時,我想$editreservation的。如果我們看一些剪斷代碼的執行以下操作:

if(isset($_POST['editreservation'])){ 
    //$_POST['editreservation'] is set! 
    $rsvtn = $_POST['editreservation']; 
    //$rsvtn is set 
    if(!$editreservation){ 
     //$editreservation has *not* been set by your code. 
    } 
} 

因爲$editreservation尚未宣佈任何地方,你得到不確定的變量通知。

-1

變量在該點(範圍)未被「設置」。 如果你只是想傳遞一個錯誤,請嘗試:

<td><center/><?php echo isset($ven) ? $ven : '' ?></td> 
<td><center/><?php echo isset($res_d) ? $res_d : '' ?></td> 
<td><center/><?php echo isset($res_t) ? $res_t : '' ?></td> 
+0

由於沒有涉及單個'函數',因此範圍不成問題。 – deceze

-1

,如果你想避免錯誤

<tr> 
    <td><center/><?php echo @$ven; ?></td> 
</tr> 
<tr> 
    <td><center/><?php echo @$res_d; ?></td> 
</tr> 
<tr> 
    <td><center/><?php echo @$res_t; ?></td> 
</tr> 

現在用你的代碼替換上面的部分,並檢查試試這個。

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