wordpress transient

wp_transient.php

<?php
/* Credit Scotch.io : https://scotch.io/tutorials/a-guide-to-transients-in-wordpress */

// Set variable for debugging
$usecache = true;

// Check if transient exists - use if it does				
$projects = get_transient( 'tmbr_cached_projects' );

if ( false === $projects || false === $usecache ) {
    $args = array(
        'post_type'   => 'project',
        'post_status' => 'publish'
    );

    $projects = new WP_Query( $args );
    // set cache for 1 day
    set_transient( 'tmbr_cached_projects', $projects, DAY_IN_SECONDS );
}

if( $projects->have_posts() ) {
    echo '<ul>';
    while( $projects->have_posts() ) {
        echo '<li><a href="' . get_permalink() . '">' . the_title( '', '', false ) . '</a></li>';
    }
    echo '</ul>';
}