Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
detect_by_id( $ticket_id );
return ! empty( $ticket_type ) && ! empty( $ticket_type['class'] );
}
/**
* {@inheritdoc}
*/
public function is_ticket_id_list( $tickets, $sep = ',' ) {
$sep = is_string( $sep ) ? $sep : ',';
$tickets = Tribe__Utils__Array::list_to_array( $tickets, $sep );
$valid = array_filter( $tickets, array( $this, 'is_ticket_id' ) );
return ! empty( $valid ) && count( $valid ) === count( $tickets );
}
/**
* {@inheritdoc}
*/
public function is_event_id( $event_id ) {
if ( empty( $event_id ) ) {
return false;
}
$event = get_post( $event_id );
return ! empty( $event ) && 'tribe_event' === $event->post_type;
}
/**
* Whether a post ID exists.
*
* @since 4.7.5
*
* @param int $post_id
*
* @return bool
*/
public function is_post_id( $post_id ) {
$post = get_post( $post_id );
return ( $post instanceof WP_Post );
}
/**
* {@inheritdoc}
*/
public function is_post_id_list( $posts, $sep = ',' ) {
$sep = is_string( $sep ) ? $sep : ',';
$posts = Tribe__Utils__Array::list_to_array( $posts, $sep );
$valid = array_filter( $posts, array( $this, 'is_post_id' ) );
return ! empty( $valid ) && count( $valid ) === count( $posts );
}
/**
* Whether the value is the post id of an existing attendee or not.
*
* @since 4.8.0
*
* @param int $attendee_id
*
* @return bool
*/
public function is_attendee_id( $attendee_id ) {
if ( empty( $attendee_id ) ) {
return false;
}
// get ticket provider
$ticket_type = tribe( 'tickets.data_api' )->detect_by_id( $attendee_id );
//get ticket
$ticket = get_post( $attendee_id );
return ! empty( $ticket_type['post_type'] ) && ! empty( $ticket ) && $ticket_type['po