Why WP-CLI Won’t Start on Some Shared Hosts — A Field Investigation Across Four Architectures
If you build any kind of WordPress maintenance automation, sooner or later you hit a wall the official WP-CLI install instructions don’t warn you about. The setup is supposed to be simple — drop one file onto the server and make it usable as a command — yet on shared hosting it fails in a different way on every host. This article summarizes what we learned by running a read-only SSH-based diagnostic across four shared hosts — ConoHa WING, Xserver, Sakura Internet, and Heteml — to find out what really separates “WP-CLI runs” from “WP-CLI fails to start.” The “one-liner install” assumption breaks early The official WP-CLI install snippet looks …