新版本Directadmin已经支持4个版本的PHP共存，需搭配CustomBuild 2.0实现。
| cd /usr/local/directadmin/custombuild | |
| ./build set php1_mode mod_php | |
| ./build set php2_mode mod_php | |
| ./build set php3_mode mod_php | |
| ./build set php4_mode mod_php | |
| ./build set php1_release 5.6 | |
| ./build set php2_release 7.0 | |
| ./build set php3_release 7.2 | |
| ./build set php4_release 7.3 | |
| ./build php n | |
| ./build rewrite_confs |
