sidebar.php

        <div class="left_col scroll-view">
          <div class="navbar nav_title" style="border: 0;">
            <a href="index.php" class="site_title"><i class="fa fa-paw"></i> <span>School Management System</span></a>
          </div>

          <div class="clearfix"></div>

          <!-- menu profile quick info -->
          <div class="profile clearfix">
            <div class="profile_pic">
              <img src="images/user.png" alt="..." class="img-circle profile_img">
            </div>
            <div class="profile_info">
              <span>Welcome,</span>
              <h2><?php echo $_SESSION['user']; ?></h2>
            </div>
          </div>
          <!-- /menu profile quick info -->

          <br />

          <!-- sidebar menu -->
          <div id="sidebar-menu" class="main_menu_side hidden-print main_menu">
            <div class="menu_section">
              <h3>General</h3>
              <ul class="nav side-menu">
                <li id="new"><a href="./index.php"><i class="fa fa-home"></i> <span>Dashboard</span> </a></li>
                <li><a><i class="fa fa-windows"></i> General <span class="fa fa-chevron-down"></span></a>
                  <ul class="nav child_menu">

                   <?php if($_SESSION['role']=='Teacher'){ ?>
                    <li id="new"><a href="./student.php"><i class="fa fa-users"></i> <span>Student</span> </a></li>
                    <li id="teacher"><a href="./teacher.php"><i class="fa  fa-black-tie"></i> <span>Teacher</span> </a></li>
                    <li id="parent"><a href="./parent.php"><i class="fa  fa-female"></i> <span>Parents</span> </a></li>
                    <li id="subject"><a href="./subject.php"><i class="fa fa-book"></i> <span>Subject</span> </a></li>
                    <li id="class"><a href="./class.php"><i class="fa fa-bank"></i> <span>Class Room</span> </a></li>
                    <li id="schedule"><a href="./schedule.php"><i class="fa fa-calendar-o"></i> <span>Schedule</span> </a></li>
                    <li id="attendance"><a href="./attendance.php"><i class="fa  fa-check"></i> <span>Attendance</span> </a></li>
                    <li id="exam"><a href="./exam.php"><i class="fa fa-line-chart"></i> <span>Exam</span> </a></li>
                    <li id="examresults"><a href="./examresults.php"><i class="fa fa-graduation-cap"></i> <span>Exam Results</span> </a></li>
                    <li id="user"><a href="./user.php"><i class="fa fa-user-plus"></i> <span>Users</span> </a></li>
                    <li id="notice"><a href="./notice.php"><i class="fa fa-envelope-o"></i> <span>Notice</span> </a></li>

                  <?php }elseif ($_SESSION['role']=='Parent') {
                    ?>
                    <li id="student-par"><a href="./student-par.php"><i class="fa fa-users"></i> <span>Student</span> </a></li>
                    <li id="notice-role"><a href="./notice-role.php"><i class="fa fa-envelope-o"></i> <span>Notice</span> </a></li>
                    <li id="examresults-par"><a href="./examresults-par.php"><i class="fa fa-graduation-cap"></i> <span>Exam Results</span> </a></li>

                    <?php

                  }elseif ($_SESSION['role']=='Student') { ?>
                    <li id="notice-role"><a href="./notice-role.php"><i class="fa fa-envelope-o"></i> <span>Notice</span> </a></li>
                    <li id="examresults-stu"><a href="./examresults-stu.php"><i class="fa fa-graduation-cap"></i> <span>Exam Results</span> </a></li>
                    <li id="schedule-stu"><a href="./schedule-stu.php"><i class="fa fa-calendar-o"></i> <span>Schedule</span> </a></li>
                    <?php

                  }?>

                </ul>
              </li>


            </ul>
          </div>
          <div class="menu_section">
            <h3>User</h3>
            <ul class="nav side-menu">
              <li><a href="logout.php"><i class="fa fa-power-off"></i> Logout</a></li>
            </ul>
          </div>

        </div>
        <!-- /sidebar menu -->

        <!-- /menu footer buttons -->
        <div class="sidebar-footer hidden-small">
          <a data-toggle="tooltip" data-placement="top" title="Settings">
            <span class="glyphicon glyphicon-cog" aria-hidden="true"></span>
          </a>
          <a data-toggle="tooltip" data-placement="top" title="FullScreen">
            <span class="glyphicon glyphicon-fullscreen" aria-hidden="true"></span>
          </a>
          <a data-toggle="tooltip" data-placement="top" title="Lock">
            <span class="glyphicon glyphicon-eye-close" aria-hidden="true"></span>
          </a>
          <a data-toggle="tooltip" data-placement="top" title="Logout" href="logout.php">
            <span class="glyphicon glyphicon-off" aria-hidden="true"></span>
          </a>
        </div>
        <!-- /menu footer buttons -->
      </div>