function date_is_date | Documentation

1 date.inc date_is_date($date)

Determines if a date object is valid.

object $date: The date object to check.

bool: TRUE if the date is a valid date object, FALSE otherwise.

8 calls to date_is_date()

date_combo_validate in core/modules/date/date.elements.inc: Validate and update a combo element.
date_parts_element in core/modules/date/date.elements.inc: Creates form elements for one or more date parts.
date_popup_element_value_callback in core/modules/date/date.elements.inc: Element value callback for date_popup element.
date_popup_validate in core/modules/date/date.elements.inc: Massage the input values back into a single date.
date_select_element_value_callback in core/modules/date/date.elements.inc: Element value callback for date_select element.

function date_is_date($date) {
  if (empty($date) || !is_object($date) || !empty($date->errors)) {
    return FALSE;
  }
  return TRUE;
}