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php creating delivery time using for looping structure
0-1  or 1-2  or 2-3 or 3-4  or 4-5  or .... 19-20   working days.
0-2     1-3     2-4    3-5     4-6
.       .       .      .       .
.       .       .      .       .
.       .       .      .       .
0-20    1-20    2-20   3-20    4-20

s.no shopname , shoplinks , price , delivery time ,                      shopping cost
 1    xyz       xyx.com     5858    here i should provide delivery time    free

[Table working_days]
id[int],day[varchar]
1,Sundary
2,Monday

[Table working_hours]
id[int],dayID[int],hour_start(time),hour_end(time)
1,2,10:00,14:00

SELECT hour_start,hour_end from working_hours where id=(select id from working_days where day='Monday');