PHP Get Date

<?php  echo "Today:". Date ("y-m-d"). " <br> ";       echo "Yesterday:" Date ("y-m-d", Strtotime ("1 day"), "<br>";       echo "Tomorrow:". Date ("Y-m-d", Strtotime ("+1 Day")). " <br> ";    echo "One week later:". Date ("Y-m-d", Strtotime ("+1 Week")). " <br> ";       echo "2 days a week four hours two seconds after:". Date ("Y-m-d g:h:s", Strtotime ("+1 Week 2 Day 4 hours 2 Seconds")). " <br> ";       echo "Next week Four:". Date ("Y-m-d", Strtotime ("next Thursday")). " <br> ";       echo "Previous Monday:". Date ("Y-m-d", Strtotime ("Last Monday")). " <br> ";       echo "One months ago:". Date ("Y-m-d", Strtotime ("Last month"). " <br> ";       echo "One months later:". Date ("Y-m-d", Strtotime ("+1 Month")). " <br> ";       echo "Ten years later:". Date ("Y-m-d", Strtotime ("+10 Year")). " <br> ";      ? >

PHP Get Date