NullObject - 1
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Authored by
Krzysztof Dyszczyk
Edited
null-value.php 734 B
class WPDesk_Post_Not_Exists_Exception extends \Exception {
}
/**
* @return \WP_Post
* @throws \WPDesk_Post_Not_Exists_Exception
*/
function get_wpdesk_post() {
$post = get_post(123);
if ($post) {
return $post;
}
throw new WPDesk_Post_Not_Exists_Exception('WPDesk post 123 is not available in the database');
}
/**
* @return string When post not exists returns default post title.
*/
function get_wpdesk_post_title() {
try {
return get_wpdesk_post()->post_title;
} catch (\WPDesk_Post_Not_Exists_Exception $not_exists) {
return __('Some placeholder title', 'some-text-domain');
}
}
function display_wpdesk_title() {
echo get_wpdesk_post_title();
}
display_wpdesk_title();
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