/**
* Saves the post template meta box settings as post metadata.
*
* @since 1.0.0
* @access public
* @param int $post_id The ID of the current post being saved.
* @param object $post The post object currently being saved.
* @return void|int
*/
function carelib_metabox_post_template_save($post_id, $post = '')
{
$no = "{$GLOBALS['carelib_prefix']}_post_template_nonce";
$act = "{$GLOBALS['carelib_prefix']}_update_post_template";
// Verify the nonce for the post formats meta box.
if (!isset($_POST[$no]) || !wp_verify_nonce($_POST[$no], $act)) {
return false;
}
$input = isset($_POST['carelib-post-template']) ? $_POST['carelib-post-template'] : '';
$current = carelib_get_post_template($post_id);
if ($input === $current) {
return false;
}
if (empty($input)) {
return carelib_delete_post_template($post_id);
}
return carelib_set_post_template($post_id, sanitize_text_field($input));
}
/**
* Check if a post of any post type has a custom template.
*
* This is the equivalent of WordPress' `is_page_template()` function with
* the exception that it works for all post types.
*
* @since 1.0.0
* @access public
* @param string $template The name of the template to check for.
* @param int $post_id
* @return bool
*/
function carelib_has_post_template($template = '', $post_id = '')
{
if (!$post_id) {
$post_id = get_the_ID();
}
// Get the post template, which is saved as metadata.
$post_template = carelib_get_post_template($post_id);
// If a specific template was input, check that the post template matches.
if ($template && $template === $post_template) {
return true;
}
// Return whether we have a post template.
return !empty($post_template);
}
/**
* Determine whether the layout is forced on the current page.
*
* @since 1.0.0
* @access public
* @param int $post_id The post ID for the post to be checked.
* @return bool true if the current page template layout is forced, false otherwise
*/
function _carelib_is_template_layout_forced($post_id = '')
{
$templates = (array) apply_filters("{$GLOBALS['carelib_prefix']}_forced_templates", array());
if (empty($post_id)) {
$post_id = get_the_ID();
}
foreach ($templates as $template) {
if (get_page_template_slug($post_id) === $template) {
return true;
}
if (carelib_get_post_template($post_id) === $template) {
return true;
}
}
return false;
}