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You can take advantage of CakePHP view caching if you supply a cache parameter. If set to true, it will cache for 1 day. Otherwise, you can set alternative expiration times. See Caching for more information on setting expiration.

<?php echo $this->element('helpbox', array('cache' => true)); ?>

1. <?php echo $this->element('helpbox', array('cache' => true)); ?>

If you render the same element more than once in a view and have caching enabled be sure to set the 'key' parameter to a different name each time. This will prevent each succesive call from overwriting the previous element() call's cached result. E.g.

<?php
echo $this->element('helpbox', array('cache' => array('key' => 'first_use', 'time' => '+1 day'), 'var' => $var));

echo $this->element('helpbox', array('cache' => array('key' => 'second_use', 'time' => '+1 day'), 'var' => $differentVar));
?>

1. <?php
2. echo $this->element('helpbox', array('cache' => array('key' => 'first_use', 'time' => '+1 day'), 'var' => $var));
3. echo $this->element('helpbox', array('cache' => array('key' => 'second_use', 'time' => '+1 day'), 'var' => $differentVar));
4. ?>

The above will ensure that both element results are cached separately.