Demonstrating Transient

gistfile1.txt

<?php

public function add_my_courses_section()
{
    $api_user_id = get_user_meta(get_current_user_id(), '_external_api_user_id', true);

    if (! $api_user_id) {
        return;
    }

    $courses_transient_key = 'user_courses_for_' . $api_user_id;
    $sso_transient_key = 'sso_link_for_' . $api_user_id;

    $courses = get_transient($courses_transient_key);

    if (! $courses) {
        $courses  = $this->get_api()->get_courses_assigned_to_user($api_user_id);
        $sso_link = $this->get_api()->get_sso_link($api_user_id);
	
	//Cache it for a day
        set_transient($courses_transient_key, $courses, DAY_IN_SECONDS);
        set_transient($sso_transient_key, $sso_link, DAY_IN_SECONDS);
    } else {
        $sso_link = get_transient($sso_transient_key);
    }
?>

		<h2 style="margin-top: 40px;"><?php echo __('My Courses', 'text-domain'); ?></h2>
		<table>
			<thead>
				<tr>
				  <th><?php echo __('Course Code', 'text-domain'); ?></th>
					<th><?php echo __('Course Title', 'text-domain'); ?></th>
					<th><?php echo __('Completion', 'text-domain'); ?></th>
					<th><?php echo __('Date Completed', 'text-domain'); ?></th>
				</tr>
			</thead>
			<tbody>
				<?php foreach ($courses as $course) :?>
	        <tr>
    				<td><?php echo __($course['Code']); ?></td>
		    		<td><?php echo __($course['Name']); ?></td>
				    <td><?php echo __($course['PercentageComplete']); ?> &#37;</td>
    				<td><?php echo __($course['DateCompleted']); ?></td>
		    	</tr>
				<?php endforeach; ?>
			</tbody>
		</table>
		<p>
			<a href="<?php echo $sso_link ?>" target="_blank" class="button <?php echo $_GET['active_course']; ?>">
				<?php echo __('Course Login', 'text-domain'); ?>
			</a>
		</p>

		<?php
    }