Composer-请求的 PHP 扩展 mbstring 在您的系统中丢失了

我最近尝试通过 Composer 安装软件包，但是我得到了一个错误 the requested PHP extension mbstring is missing from your system. 我从 php.ini中删除了分号，但它仍然不工作。我该怎么办？

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小开

find your php.ini
make sure the directive extension_dir=C:\path\to\server\php\ext is set and adjust the path (set your PHP extension dir)
make sure the directive extension=php_mbstring.dll is set (uncommented)

If this doesn't work and the php_mbstring.dll file is missing, then the PHP installation of this stack is simply broken.

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最佳答案

I set the PHPRC variable and uncommented zend_extension=php_opcache.dll in php.ini and all works well.

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sudo apt-get install php-mbstring


# if your are using php 7.1
sudo apt-get install php7.1-mbstring


# if your are using php 7.2
sudo apt-get install php7.2-mbstring


# if your are using php 7.4
sudo apt-get install php7.4-mbstring

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For php 7.1

sudo apt-get install php7.1-mbstring

Cheers!