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  • Composer常用的命令整理

    1、composer查看全局设置:composer config -gl

    2、查看已存在的包:composer info

    3、搜索包:composer search ***

    4、安装包:composer require或者composer install

    对于 require 和 install 是不相同的,require 会把包的信息添加到 composer.json 文件中并进行 install 。而 install 是直接从 composer.json 或 composer.lock 文件中提取依赖信息,然后进行安装。
    
    不编辑composer.json的情况下安装库
    你可能会觉得每安装一个库都需要修改composer.json太麻烦,那么你可以直接使用require命令。如:
    composer require "foo/bar:1.0.0"
    

    5、清理缓存:composer clearcache

    6、设置composer镜像为国内镜像:

    设置composer镜像为国内镜像:
    composer config -g repo.packagist composer https://packagist.phpcomposer.com
    
    上面地址前几天崩了,可以用下面这个:
    composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/  //全局配置
    composer config repo.packagist composer https://mirrors.aliyun.com/composer/    //单独项目配置
    

    7、Composer 卸载某个扩展或者删除某个包

    composer remove vendorName/packageName
    这只是删除了依赖关系,不会自动加载,但其依赖包还在vender文件夹里,可手动删除
    

    8、Mac上卸载Composer:

    rm -rf /usr/bin/composer
    rm -rf /usr/local/bin/composer.phar
    

    9、实例

    ➜  basic composer diagnose                   
    Checking composer.json: OK
    Checking platform settings: OK
    Checking git settings: OK
    Checking http connectivity to packagist: OK
    Checking https connectivity to packagist: OK
    Checking github.com rate limit: FAIL
    [ComposerDownloaderTransportException] The "https://api.github.com/rate_limit" file could not be downloaded: failed to open stream: Connection refused
    Checking disk free space: OK
    Checking pubkeys: 
    Tags Public Key Fingerprint: 57815BA2 7E54DC31 7ECC7CC5 573090D0  87719BA6 8F3BB723 4E5D42D0 84A14642
    Dev Public Key Fingerprint: 4AC45767 E5EC2265 2F0C1167 CBBB8A2B  0C708369 153E328C AD90147D AFE50952
    OK
    Checking composer version: OK
    Composer version: 1.10.8
    PHP version: 7.2.7
    PHP binary path: /Applications/MAMP/bin/php/php7.2.7/bin/php
    OpenSSL version: OpenSSL 1.0.2o  27 Mar 2018
    以上是执行结果就是检测的结果 那个警告比较清楚的说明是通过 http 不安全协议
    
    解决方法是设置一个本地或全局的composer配置:
    composer config secure-http false
    全局设置:
    composer config -g secure-http false</packages>
    




    慎用composer update! 慎用composer update! 慎用composer update!





    参考:
    https://pkg.phpcomposer.com/#how-to-install-composer
    https://blog.csdn.net/wulove52/article/details/78392663
    PHP 开发者该知道的 5 个 Composer 小技巧:
    https://www.phpcomposer.com/5-features-to-know-about-composer-php/

    https://segmentfault.com/q/1010000003876622/a-1020000006835543
    https://developer.aliyun.com/composer?spm=a2c6h.13651102.0.0.3e221b11ccSpCA

    正确的 Composer 扩展包安装方法:
    https://www.cnblogs.com/caicaizi/p/9131845.html

    修复:https://getcomposer.org/doc/articles/troubleshooting.md#general

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  • 原文地址:https://www.cnblogs.com/meetuj/p/11429107.html
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