function date_iso2unix in Date 5

8 calls to date_iso2unix()

date_custom2unix in ./date.inc

date_iso2array in ./date.inc

date_iso_week_range in ./date.inc

Compute min and max dates for an ISO week

date_set_date in ./date.inc

Function to set local and db date parts in the date object

date_text2unix in ./date.inc

... See full list

File

./date.inc, line 1213

Date/time API functions

Code

function date_iso2unix($iso) {
  if (!date_preg($iso)) {
    return 'ERROR';
  }
  if (!date_is_valid($iso, DATE_ISO)) {
    return 'ERROR';
  }

  // A unix date requires a year, month, and day.
  // Make sure not to set '0' for month or day since that will revert to
  // the previous month or day.
  if (date_iso_year($iso)) {
    $array = array(
      'hours' => date_iso_hours($iso),
      'minutes' => date_iso_minutes($iso),
      'seconds' => date_iso_seconds($iso),
      'mon' => max(1, date_iso_mon($iso)),
      'mday' => max(1, date_iso_day($iso)),
      'year' => date_iso_year($iso),
    );

    // using gmmktime instead of mktime so no server timezone adjustment is made
    $unix = date_gmmktime($array);

    // php versions earlier than 5.1 return -1 for a false response, convert that to 'ERROR'
    if ($unix == -1) {
      return 'ERROR';
    }
    return $unix;
  }
  else {
    return NULL;
  }
}