Could not find package squizlabs/php_codesniffer.

执行命令

composer require squizlabs/php_codesniffer --dev

报错：

[InvalidArgumentException]                         
  Could not find package squizlabs/php_codesniffer.  
                                                     
  Did you mean one of these?                         
      squizlabs/php_codesniffer                      
      squizlabs/php_codesniffer_tests                
      memaw/phpcs                                    
                                                    

解决：
更新Composer配置源

composer config -g repo.packagist composer https://packagist.org

其他

https://packagist.laravel-china.org

https://packagist.phpcomposer.com

https://packagist.org