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1. When you install Apple system cms php version used because the station is too low can lead to a lack of fileinfo plug (shown below)
2. The solution is very simple, we pagoda panel as an example. (As shown below) to open the panel found pagoda software management.
3. Select the PHP version you installed environment, click the Settings button. (As shown below)
4, choose to install extensions, the missing plug-in installation manual fileinfo click on it, reboot after installing php allowed to take effect.
5, you can switch directly under php version 7.0 and above to solve this problem.