Use php to obtain this week, next week, this month, next month, and this quarter date (abstract)-php Tutorial

Use php to obtain the echodate (Ymd, strtotime (now), n ;?? Echodate (Ymd, strtotime (-1 weekMonday), n ;?? Echodate (Ymd, strtotime (-1 weekSunday), n; get this week, last week, this month, last month, this quarter date with php (abstract)

Echo date ("Ymd", strtotime ("now"), "\ n ";??

Echo date ("Ymd", strtotime ("-1 week Monday"), "\ n ";??

Echo date ("Ymd", strtotime ("-1 week Sunday"), "\ n ";??

Echo date ("Ymd", strtotime ("+ 0 week Monday"), "\ n ";??

Echo date ("Ymd", strtotime ("+ 0 week Sunday"), "\ n ";??

??

??

// What month is the date ('N ??

// Date ("w") what is the week of the week ??

// Date ("t") number of days this month ??

??

Echo'
Last week:
';??

Echo date ("Y-m-d H: I: s", mktime (0, 0, 0, date ("m"), date ("d ") -date ("w") + 1-7, date ("Y"), "\ n ";??

Echo date ("Y-m-d H: I: s", mktime (23, 59, 59, date ("m"), date ("d ") -date ("w") + 7-7, date ("Y"), "\ n ";??

Echo'
This week:
';??

Echo date ("Y-m-d H: I: s", mktime (0, 0, 0, date ("m"), date ("d ") -date ("w") + 1, date ("Y"), "\ n ";??

Echo date ("Y-m-d H: I: s", mktime (23, 59, 59, date ("m"), date ("d ") -date ("w") + 7, date ("Y"), "\ n ";??

??

Echo'
Last month:
';??

Echo date ("Y-m-d H: I: s", mktime (0, 0, 0, date ("m")-1,1, date ("Y"), "\ n ";??

Echo date ("Y-m-d H: I: s", mktime (23, 59, 59, date ("m ")?, 0, date ("Y"), "\ n ";??

Echo'
This month:
';??

Echo date ("Y-m-d H: I: s", mktime (0, 0, 0, date ("m"), 1, date ("Y"), "\ n ";??

Echo date ("Y-m-d H: I: s", mktime (23, 59, 59, date ("m"), date ("t "), date ("Y"), "\ n ";??

??

$ GetMonthDays = date ("t", mktime (0, 0, 0, date ('N') + (date ('N')-1) % 3, 1, date ("Y"); // Number of days before the last December January in the current quarter ??

Echo'
This quarter:
';??

Echo date ('Y-m-d H: I: S', mktime (0, 0, 0, date ('N')-(date ('N ') -1) % 3, 1, date ('Y'), "\ n ";??

Echo date ('Y-m-d H: I: S', mktime (, 59, date ('N') + (date ('N')-1) % 3, $ getMonthDays, date ('Y'), "\ n ";?

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