I am also PHP developer for a long time and in the last couple of months started to learn mern stack so I can do some side projects and it's fun, I am not planning to live PHP but as you said "learning other programming languages can only make you a better developer"
I am also PHP developer for a long time and in the last couple of months started to learn mern stack so I can do some side projects and it's fun, I am not planning to live PHP but as you said "learning other programming languages can only make you a better developer"
I guess you can never know too much :D