要快速獲取Composer中特定包的詳細(xì)信息，可使用composer show vendor/package命令。例如composer show monolog/monolog，這將顯示版本、描述、依賴等信息；若不確定名稱，可用部分名稱結(jié)合--platform查看平臺(tái)需求；加--name-only可簡(jiǎn)化輸出；用-v顯示更詳細(xì)內(nèi)容；支持通配符搜索，如monolog/*。

You can quickly get detailed information about a specific package in Composer by using the composer show command followed by the package name. This is handy when you want to check version details, dependencies, or other metadata without leaving the terminal.

Check Info for a Specific Package

To view info about a specific package, just run:

composer show vendor/package

Replace vendor/package with the actual name of the package you're interested in. For example:

composer show monolog/monolog

This will display things like the current version installed, description, homepage, and a list of required dependencies. It's especially useful if you're debugging or trying to confirm compatibility.

If you're not sure about the exact package name, you can use a partial name and add the --platform flag if needed (more on that later).

Show All Installed Packages

If you want to see all packages currently installed in your project, simply run:

composer show

This lists every package along with its version and brief description. You can scroll through it to find what you're looking for, but if you're after a particular one, it's usually faster to specify the name directly as shown earlier.

Also, if you only want to list the names and versions, you can use the --name-only option to make the output cleaner:

composer show --name-only

Include Platform (PHP & Extension) Info

Sometimes you need to check PHP version constraints or required extensions for a package. In that case, use:

composer show --platform

Or combine it with a package name:

composer show monolog/monolog --platform

This includes not just the package info but also any platform requirements such as PHP version, extensions like mbstring, or even composer plugin requirements. This helps when moving between environments or setting up CI pipelines.

Bonus Tips

• Use composer show -v for more verbose output, which includes development dependencies if they’re part of the package.
• If you're unsure whether a package is installed, just run composer show vendor/package anyway — Composer will tell you if it’s missing.
• You can also use wildcards for searching:

  composer show monolog/*

  That’s basically it. It’s a simple command, but knowing how to use it effectively can save time when managing dependencies or troubleshooting issues.

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