Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpcsstandards/phpcsutils ^1.1.0, found phpcsstandards/phpcsutils[dev-stable, dev-develop, 1.x-dev (alias of dev-stable)] but it does not match your minimum-stability. Problem 2 - Root composer.json requires phpcsstandards/phpcsextra ^1.2.1 -> satisfiable by phpcsstandards/phpcsextra[1.2.1]. - phpcsstandards/phpcsextra 1.2.1 requires phpcsstandards/phpcsutils ^1.0.9 -> found phpcsstandards/phpcsutils[1.0.9, 1.0.10, 1.0.11, 1.0.12] but it conflicts with your root composer.json require (^1.1.0). Problem 3 - Root composer.json requires wp-coding-standards/wpcs ^3.1.0 -> satisfiable by wp-coding-standards/wpcs[3.1.0]. - wp-coding-standards/wpcs 3.1.0 requires phpcsstandards/phpcsutils ^1.0.10 -> found phpcsstandards/phpcsutils[1.0.10, 1.0.11, 1.0.12] but it conflicts with your root composer.json require (^1.1.0).

Process completed with exit code 2.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpcsstandards/phpcsutils ^1.1.0, found phpcsstandards/phpcsutils[dev-stable, dev-develop, 1.x-dev (alias of dev-stable)] but it does not match your minimum-stability. Problem 2 - Root composer.json requires phpcsstandards/phpcsextra ^1.2.1 -> satisfiable by phpcsstandards/phpcsextra[1.2.1]. - phpcsstandards/phpcsextra 1.2.1 requires phpcsstandards/phpcsutils ^1.0.9 -> found phpcsstandards/phpcsutils[1.0.9, 1.0.10, 1.0.11, 1.0.12] but it conflicts with your root composer.json require (^1.1.0). Problem 3 - Root composer.json requires wp-coding-standards/wpcs ^3.1.0 -> satisfiable by wp-coding-standards/wpcs[3.1.0]. - wp-coding-standards/wpcs 3.1.0 requires phpcsstandards/phpcsutils ^1.0.10 -> found phpcsstandards/phpcsutils[1.0.10, 1.0.11, 1.0.12] but it conflicts with your root composer.json require (^1.1.0).