Upgrade Upgrade to 7.2 but php-v still show 5.6.30

Please fill in any relevant information that applies to you:

• CentOS Version: i.e. CentOS 7 64bit
  
• Centmin Mod Version Installed: i.e. 123.09beta01
• Nginx Version Installed: i.e. 1.11.10
  (default version. newly installed using the beta version dated on 8 Oct 2017)
  
• PHP Version Installed: i.e. 5.6.30
  (want to upgrade to 7.2, but php-v still show 5.6.30 <=---***weird***)
  (then i upgrade to 7.0.15, php-v show 7.0.15 now)
  
• MariaDB MySQL Version Installed: i.e. 10.0.21 or 10.1.21
• When was last time updated Centmin Mod code base ? : i.e. run centmin.sh menu option 23 submenu option 2
• Persistent Config:
  cat: /etc/centminmod/custom_config.inc: No such file or directory
  
  (*note: after php7.0 is working correctly, I upgraded to Nginx PageSpeed 1.13.35.1-beta and Nginx version 1.13.6 .)

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i use NGDEBUG

 

7.2.0RC6 works! (but...many errors occur to wordpress Orz)

*install "PHP Compatibility Checker" plugin for wordpress to check your site before upgrade

 

yeah. some plugins not support. and most importantly, the theme doesn't! lol
(some plugins install in option 22 also outdated. you may need to check this later?)