/**
* Output post meta checkboxes in columns.
*
* @since 1.0.0
*
* @return string HTML output for post meta checkboxes.
*/
private function do_post_meta_checkboxes()
{
// Break up post meta into groups for columns.
$post_meta_keys = $this->plugin->get_post_meta_keys();
$post_meta_count = count($post_meta_keys);
$post_meta_groups = array_chunk($post_meta_keys, (int) ceil($post_meta_count / 3));
foreach ($post_meta_groups as $post_meta_keys) {
?>
<div class="rae-col">
<?php
foreach ($post_meta_keys as $post_meta_key) {
$args = array('id' => 'post_meta_individual', 'secondary_id' => $post_meta_key, 'description' => $post_meta_key, 'save_null' => true);
$this->render_checkbox($args);
echo '<br />';
}
?>
</div>
<?php
}
}
