PHP a line of code to get this Monday, this Sunday, on Monday, Upper Sunday, this month, the last day of this month, the last month of last month to turn

Monday
echo Date (' y-m-d ', (Time ()-((Date (' W ') ==0?7:date (' W ') ')-1) *24*3600)); W is the number form of the day of the week, where 0 is Sunday

This Sunday

echo Date (' y-m-d ', (Time () + (7-(' W ') ==0?7:date (' W ')) *24*3600)); Also use W to calculate the number of days related to the current and Sunday

Last Monday

echo Date (' y-m-d ', Strtotime ('-1 Monday ', Time ())); No matter what day it is, -1 Monday is the last effective week

Last Sunday

echo Date (' y-m-d ', Strtotime ('-1 Sunday ', Time ())); Last valid Sunday, same applies to other weeks

This month

echo Date (' y-m-d ', strtotime (date (' Y-m ', Time ()). ' -01 00:00:00 ')); Generate directly with Strtotime

Last day of the month

echo Date (' y-m-d ', strtotime (date (' Y-m ', Time ()). ' -'. Date (' t ', Time ()). ' 00:00:00 ')); T is the number of days in the month, 28-31 days

Last month

echo Date (' y-m-d ', Strtotime ('-1 month ', Strtotime (date (' Y-m ', Time ()). ' -01 00:00:00 ')); This month, the direct strtotime minus one months.

Last day of last month

echo Date (' y-m-d ', strtotime (date (' Y-m ', Time ()). ' -01 00:00:00 ')-86400); Minus one day this month is the last of the month.

PHP a line of code to get this Monday, this Sunday, on Monday, Upper Sunday, this month, the last day of this month, the last month of last month to turn