+
+ function getDateCond( $year, $month ) {
+ $year = intval($year);
+ $month = intval($month);
+ // Basic validity checks
+ $this->mYear = $year > 0 ? $year : false;
+ $this->mMonth = ($month > 0 && $month < 13) ? $month : false;
+ // Given an optional year and month, we need to generate a timestamp
+ // to use as "WHERE rev_timestamp <= result"
+ // Examples: year = 2006 equals < 20070101 (+000000)
+ // year=2005, month=1 equals < 20050201
+ // year=2005, month=12 equals < 20060101
+ if ( !$this->mYear && !$this->mMonth ) {
+ return;
+ }
+ if ( $this->mYear ) {
+ $year = $this->mYear;
+ } else {
+ // If no year given, assume the current one
+ $year = gmdate( 'Y' );
+ // If this month hasn't happened yet this year, go back to last year's month
+ if( $this->mMonth > gmdate( 'n' ) ) {
+ $year--;
+ }
+ }
+ if ( $this->mMonth ) {
+ $month = $this->mMonth + 1;
+ // For December, we want January 1 of the next year
+ if ($month > 12) {
+ $month = 1;
+ $year++;
+ }
+ } else {
+ // No month implies we want up to the end of the year in question
+ $month = 1;
+ $year++;
+ }
+ // Y2K38 bug
+ if ( $year > 2032 ) {
+ $year = 2032;
+ }
+ $ymd = (int)sprintf( "%04d%02d01", $year, $month );
+ if ( $ymd > 20320101 ) {
+ $ymd = 20320101;
+ }
+ $this->mOffset = $this->mDb->timestamp( "${ymd}000000" );
+ }