I want to create a server variable accessable by doing a $_SERVER["xxx"] request or something similar. This variable must be available to all sites residing on the server, so i figured it needs to be set either somewhere in PHP or Apache, so that I can access it from any virtual host residing on the server. How can I do this?
There are a few options. The best one for you depends on how you want to use that variable - specifically, how often (and where) you want to set/change the value.
Have you considered using an environment
Part of the Global Positioning System
A geocode (https://developers.google.com/maps/documentation/geocoding/) is the major subset of a GPS coordinate (http://en.wikipedia.org/wiki/Global_Positioning_System), the other parts being the altitude and t…
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: