I can't run composer install, how can I fix it?

Question

Composer

when I run composer install I get this error

The requested PHP extension ext-json ^1.7 has the wrong version (1.6.0) installed. Install or enable PHP's json extension.

how to fix it

Answer 1

composer install -n --ignore-platform-reqs

Answer 2

Update the JSON extension in PHP. If you are developing locally, then just change the PHP version (most likely, the new version of PHP will have a new version of JSON).