获取错误致命错误：调用未定义函数mysqli_connect（）
[英]Getting an error Fatal error: Call to undefined function mysqli_connect()
问题描述
First off I would like to mention that I have used the search option and looked at multiple different posts as to why I have this problem yet it is still occurring. 
首先，我想提一提，我使用了搜索选项，并查看了多个不同的帖子，以了解为什么我仍然遇到这个问题，但仍在发生。
In my PHPInfo() I have mySQL installed. 在我的PHPInfo（）中，我安装了mySQL。 In my PHP.ini I have it in the correct directory as per my PHPInfo and I also removed the semicolon in front of extension=php_mysql.so. 在我的PHP.ini中，根据我的PHPInfo，它位于正确的目录中，并且我还删除了extension = php_mysql.so前面的分号。
I also have the extensions pointing to my extension folder with all the various modules. 我也有指向所有各种模块的扩展文件夹的扩展。 After all this I still have this error. 毕竟，我仍然有此错误。
Are there any other ways I can go about attempting to fix this issue? 我还有其他方法可以尝试解决此问题吗？
2 个解决方案
解决方案1
2 2015-03-01 05:35:38
I think you have missing the mysqli extension. 我认为您缺少mysqli扩展名。 You need to installed first sqli extension than you can use its functions.. 您需要先安装sqli扩展，然后才能使用其功能。
Please have a look on the link to configured of all version of mysqli. 请查看所有版本的mysqli的配置链接。 http://php.net/manual/en/mysqli.installation.php http://php.net/manual/en/mysqli.installation.php
解决方案2
1 已采纳 2015-03-01 05:01:28
Contact to your server administrator or do: 与您的服务器管理员联系，或执行以下操作：
sudo apt-get install php5-mysql
Will install package containing mysqli and mysql, so afterwards all you need to do is restart apache and it should work. 将安装包含mysqli和mysql的软件包，因此之后您所要做的就是重启apache，它应该可以工作。
sudo service apache2 restart
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