Unfortunately I cant give you any solid advice on that. My personal understanding is that PHP is still relevant, but the general notion about the future of PHP seems to be pretty pessimistic. I cannot speak to the accuracy of that notion as I haven't really looked in to it personally.
I guess you just have to evaluate the situation based on your personal goals. If employment is your goal, research the job market and choose whatever is more likely to land you a job weighing in your personal preferences as you see fit.
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