html - php error: Undefined index for search button -


this question has answer here:

i trying write code search button. problem errors:

  • notice: undefined index: zoekbedrijf in php/vacatureoverzichtphp.php on line 12
  • notice: undefined index: zoekdatum in php/vacatureoverzichtphp.php on line 13

i'm trying $_post variable can check if input filled or not , if not filled has show data database. new php , have never coded search before. can doing wrong.... thought work.

below can find php code: 

<?php ini_set('display_errors',1); ini_set('display_startup_errors',1); error_reporting(-1);   //include '../loginhandlerconnect.php'; include('php/loginhandlerconnect.php');  $db = loginhandlerconnect();  $bedrijfzoek = $db->quote($_post['zoekbedrijf']);      //line 12 $datumzoek = $db->quote($_post['zoekdatum']);          //line 13  if($bedrijfzoek == null && $datumzoek == null){         //code showing results     } if($bedrijfzoek != null){         //code showing results         } if($datumzoek != null){         //code showing results     } if($bedrijfzoek != null && $datumzoek != null){         //code showing results  }  ?>

and html code:

<form class="form-inline pull-right" role="form" method="post" action="php/vacatureoverzichtphp.php">             <div class="form-group">                 <label>zoeken op: </label>             </div>             <div class="form-group">                 <label class="sr-only" for="zoekenbedrijf">bedrijfsnaam</label>                 <input type="text" class="form-control" name="zoekbedrijf" id="zoekenbedrijf" value="<?php echo (isset($_post['zoekbedrijf']) ? $_post['zoekbedrijf'] : ""); ?>" placeholder="bedrijfsnaam">             </div>             <div class="form-group">                 <label>of</label>             </div>             <div class="form-group">                 <label class="sr-only" for="zoekendatum">datum</label>                 <input type="text" class="form-control" name="zoekdatum" id="zoekendatum" value="<?php echo (isset($_post['zoekdatum']) ? $_post['zoekdatum'] : ""); ?>" placeholder="datum">             </div>             <button type="submit" class="btn btn-default">zoeken</button>         </form>         <br><br><br>         <?php             include("php/vacatureoverzichtphp.php");         ?>

can please me , tell me doing wrong or have different?

the error you're asking zoekbedrijf , zoekdatum field names zoekenbedrijf , zoekendatum.


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