Some IDEs (like Netbeans, Intellij, PhpStorm) can rename only in the scope of the selected item. So if you used variable “a” in 2 methods, it would only rename in the selected method and it understands the variable is different from “ab” and won’t replace the “a” part of that.
Some IDEs (like Netbeans, Intellij, PhpStorm) can rename only in the scope of the selected item. So if you used variable “a” in 2 methods, it would only rename in the selected method and it understands the variable is different from “ab” and won’t replace the “a” part of that.