How to subtract some days in php?

The date_sub() is an inbuilt function in PHP which is used to subtract some days, months, years, hours, minutes, and seconds from given date. The function returns a DateTime object on success and returns FALSE on failure.

1. Code:

  format($format);
		return (false != $str) ? $str : null;
	}
	
	echo(getDateSubWithFormat("2022-06-27 01:12:22", 5, "Y-m-d H:i:s"));
    ?>

2. Example:

Input:

"2022-06-27 01:12:22", 5, "Y-m-d H:i:s"

Output:

2022-06-22 01:12:22

PHP