`
Formats can be:

echo "Today is ". date("Y/m/d") . "\n";
echo "Today is ". date("d/m/Y"). "\n";
echo "Today is ". date("D/M/Y"). "\n";
echo "Today is ". date("d/M/Y"). "\n";
echo "Today is ". date("d.m.Y"). "\n";
echo "Today is ". date("d-m-Y"). "\n";
echo "Today is ". date("l"). "\n";

`
Output:
Today is 2022/10/22
Today is 22/10/2022
Today is Sat/Oct/2022
Today is 22/Oct/2022
Today is 22.10.2022
Today is 22-10-2022
Today is Saturday