<?php
    if(validation_errors() != null){
     echo '<div class="alert alert-danger">';
     echo validation_errors();
     echo '</div>';
     unset($errorMsg);
      }

        if(isset($errorMsg)){
          echo '<div class="alert alert-danger">';
          echo $errorMsg;
          echo '</div>';
          unset($errorMsg);
        }
        if(isset($successMsg)){
          echo '<div class="alert alert-success">';
          echo $successMsg;
          echo '</div>';
          unset($successMsg);
        }
?>
<form method="POST">
	<input type="text" name="judul" placeholder="Judul"></br>
  <textarea name="isi"></textarea>
	<input type="submit">
</form>