solar 33 ext/calendar/easter.c zend_long year, golden, solar, lunar, pfm, dom, tmp, easter, result; solar 80 ext/calendar/easter.c solar = (year-1600)/100 - (year-1600)/400; /* the solar and lunar corrections */ solar 83 ext/calendar/easter.c pfm = (3 - (11*golden) + solar - lunar) % 30; /* uncorrected date of the Paschal full moon */