Some sites like Youtube use a simple formatting style in comments' date & times. Instead of writing long and detailed dates (like October 12, 2009 07:23 PM), they use relative dates like 3 days ago, 2 weeks ago, etc.
To calculate the difference between dates, PHP has a date_diff function but it only works in PHP version 5.3 and above. So we still need a date substraction function.
The function below deletes directories with many options. You can delete directories recursively, delete only content of directories or remove files in a directory with regular expression.
Some sites like Youtube use a simple formatting style in comments' date & times. Instead of writing long and detailed dates (like October 12, 2009 07:23 PM), they use relative dates like 3 days ago, 2 weeks ago, etc.