php的日期处理经验集

//由年、月、日合成日期 function dateserial($nyear,$nmonth,$nday) { return date(“y/n/j”,mktime(0,0,0,$nmonth,$nday,$nyear)); } $now_rq=date(“y/n/j”);//去现在的日期 $year=date(y);//取得年 $month=date(m);//取月 $month=date(j);//取日 //由月份取得所在季度的第一天和最后一天 switch($month){ case 1: case 2: case 3: $quarter_begin=dateserial($year-1,10,1); $quarter_end=dateserial($year-1,12,31); break; case 4: case 5: case 6: $quarter_begin=dateserial($year,1,1); $quarter_end=dateserial($year,3,31); break; case 7: case 8: case 9: $quarter_begin=dateserial($year,4,1); $quarter_end=dateserial($year,6,30); break; case 10: case 11: case 12: $quarter_begin=dateserial($year,7,1); $quarter_end=dateserial($year,9,30); break; }

http://www.bkjia.com/phpjc/532237.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/532237.htmltecharticle//由年、月、日合成日期 function dateserial($nyear,$nmonth,$nday) { return date(“y/n/j”,mktime(0,0,0,$nmonth,$nday,$nyear)); } $now_rq=date(“y/n/j”);//去现在的日期 $…

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