Your requirements could not be resolved to an installable set of packages. Problem 1 - hyperf/di[v1.0.0, ..., 1.1.x-dev, v2.0.0, ..., v2.0.2] require psr/container ^1.0 -> found psr/container[1.0.0, ..., 1.x-dev] but the package is fixed to 2.0.2 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - hyperf/di[dev-master, v2.0.3, ..., 2.2.x-dev, v3.0.0-alpha.1, ..., 3.1.x-dev] require nikic/php-parser ^4.1 -> found nikic/php-parser[v4.1.0, ..., 4.x-dev] but the package is fixed to v5.1.0 (lock file version) by a partial update and that version does not match. Make sure you list it as an argument for the update command. - Root composer.json requires hyperf/di * -> satisfiable by hyperf/di[dev-master, v1.0.0, ..., 1.1.x-dev, v2.0.0, ..., 2.2.x-dev, v3.0.0-alpha.1, ..., 3.1.x-dev]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

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