smart date time calculation missing in PHP
From provided date you can get information of:
- quarter
- first day of quarter
- last day of quarter
- first month of quarter
- last month of quarter
- days in quarter
- days passed in quarter
- first day of week
- last day of week
- first day of week by year and week number
- last day of week by year and week number
- next week by year and week number
- previous week by year and week number
- weeks in year
- interval to seconds
- interval to minutes