right_bar.php

<!-- Blog Search Well -->
<div class="well">
    <h4>Blog Search</h4>
    <form action="s_result.php" method="GET">
        <div class="input-group">
            <input name="key" type="text" class="form-control">
            <span class="input-group-btn">
                <button class="btn btn-default" type="submit">
                    <span class="glyphicon glyphicon-search"></span>
                </button>
            </span>
        </div>
    </form>
    <!-- /.input-group -->
</div>

<!-- Blog Categories Well -->
<div class="well">
    <h4>Blog Categories</h4>
    <div class="row">
        <div class="col-lg-6">
            <ul class="list-unstyled">

              <?php

              foreach (categoryList() as $category) {

                echo   '<li><a href="category.php?id='.$category["category_id"].'">'.$category["category_name"].'</a>';

              }

               ?>
            </ul>
        </div>
        <!-- /.col-lg-6 -->
        <!-- <div class="col-lg-6">
            <ul class="list-unstyled">
                <li><a href="#">Category Name</a>
                </li>
                <li><a href="#">Category Name</a>
                </li>
                <li><a href="#">Category Name</a>
                </li>
                <li><a href="#">Category Name</a>
                </li>
            </ul>
        </div> -->
        <!-- /.col-lg-6 -->
    </div>
    <!-- /.row -->
</div>

<!-- Side Widget Well -->
<!-- <div class="well">
    <h4>Side Widget Well</h4>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore, perspiciatis adipisci accusamus laudantium odit aliquam repellat tempore quos aspernatur vero.</p>
</div> -->