function facetapi_date_gap_get in Facet API 6

Converts ISO date strings to Unix timestamps, passes values to the facetapi_timestamp_gap_get() function to calculate the gap.

Parameters

$start_date: A string containing the start date as an ISO date string.

$end_date: A string containing the end date as an ISO date string.

Return value

A string containing the gap, see FACETAPI_DATE_* constants for valid values. Returns FALSE of either of the dates cannot be converted to a timestamp.

See also

facetapi_timestamp_gap_get()

3 calls to facetapi_date_gap_get()

FacetapiLuceneapiAdapter::fetchDate in contrib/facetapi_luceneapi/facetapi_luceneapi.adapter.inc

Fetches data from facets that filter results by date ranges.

facetapi_apachesolr_date_range in contrib/facetapi_apachesolr/facetapi_apachesolr.module

Gets the range of dates we are using.

facetapi_callback_date_map in ./facetapi.callbacks.inc

Converts date ranges to human readable dates.

File

./facetapi.module, line 1186

An abstracted facet API that can be used by various search backens.

Code

function facetapi_date_gap_get($start_date, $end_date) {
  $range = array(
    strtotime($start_date),
    strtotime($end_date),
  );

  // NOTE: Previous to PHP 5.1.0, this strtotime() returns -1 on failure.
  if (!in_array(FALSE, $range, TRUE) && !in_array(-1, $range)) {
    return facetapi_timestamp_gap_get($range[0], $range[1]);
  }
  return FALSE;
}