Can we redefine a constant in PHP?

Question

In my script I have a requirement where I need to redefine a PHp constant is it possible do achieve?

Answer 1

If you have the runkit extension installed, you can use runkit_constant_redefine():

runkit_constant_redefine("name", "value");

Comments

Thanks Sheetal it worked just one thing I need to do is to install runkit (sudo pecl install https://github.com/downloads/zenovich/runkit/runkit-1.0.3.tgz ) as it was not part of my PHP installation not sure why :(