DEVSENSE, like JetBrains and Microsoft, employs license validation. If you use a fake key:
Once you have received your license key, activating the extension is straightforward: php tools for visual studio license key
Note: An active internet connection is usually required for the initial activation to verify the legitimacy of the key. Note: An active internet connection is usually required
PHP Tools for Visual Studio is an extension that adds PHP development support to Microsoft Visual Studio (IntelliSense, debugging, project system, unit testing, profiling). Licensing is commercial: the extension requires a paid license (single-user or commercial) after a trial period. Licensing models historically include individual (per developer) and volume/enterprise options, with perpetual or subscription-style terms depending on vendor offerings at purchase. like JetBrains and Microsoft
If you have already downloaded a "PHP Tools for Visual Studio license key generator" from a torrent site or random blog, assume your machine is compromised.
Emergency Steps: