I recommend www.piwik.org as this is a open source tool which is functionally very similiar to google analytics.
It saves all data in a local mysql database and all you have to do is include a small snippet
Build an array called $myWeek which will hold the array elements Today, Yesterday and then builds up the rest of the week by the name of the day going back 1 week.
Then you just need to pass your date to the function.
This article is intended for those who are new to PHP error handling (https://www.experts-exchange.com/articles/11769/And-by-the-way-I-am-New-to-PHP.html). It addresses one of the most common problems that plague beginning PHP develop…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: