If you use APACHE to configure multiple sites, can you set files to be preloaded for each site separately?

If you use APACHE to configure multiple sites, can you set the files to be preloaded for each site? Site A needs to be preloaded & nbsp; tt. phpB site needs to be preloaded & nbsp; ss. phpc sites do not need to be preloaded with APACHE to configure multiple sites. can I set the files to be preloaded for each site separately?
Site A needs to pre-load tt. php
Site B needs to be preloaded with ss. php
The c site does not need to be pre-loaded and shared:
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You can specify different php. INI files for each site, and modify the configuration option auto_prepend_file to specify the files to be preloaded for php. But I have never tried it, so I am not sure if there will be any obstacles.

See http://www.php.net/manual/zh/ini.core.php#ini.auto-prepend-file
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To preload a file, configure the auto_prepend_file entry in php. ini.
In the entry file, you can use $ _ SERVER ['http _ host'] and $ _ SERVER ['php _ SELF '] to determine the file to be loaded.
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Specify different php. INI files for each siteThere are technical problems, usually php must be run in cgi mode