Are there ready-made "compute from string" libraries?

Question

PHP

Hello.
Please tell me the library (if any) that calculates an expression from a string, taking into account not only numbers, but also strings.
With precedence of signs and brackets.
For example $str = "Amount + (2 - 1) + something + 2+2*2+100";
Would output "Amount1ofsomething106"

Answer 1

echo "Количество " . (2 - 1) . " чего-то " . (2+2*2+100);

You can also use a simple library: matex

Answer 2

https://gist.github.com/ircmaxell/1232629
I think we can take this as a basis and modify it to fit the requirements