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Note: All the following command prompt if insufficient permissions please add sudo *** in front of the command
①, first check the PHP version currently installed, I installed several versions here, you can, as the case may be.
Command is as follows:
ll /usr/local/
②, delete the current php (link).
Command is as follows:
rm -rf /usr/local/php
③, add new links PHP version directory php72.
Command is as follows:
ln -s /usr/local/php72 /usr/local/php
④, see the PHP process (if PHP has not started, skip).
Command is as follows:
ps -ef | grep php
If the above situation (to get rid of the main process)
kill 2526
⑤, PHP restart process.
service php-fpm restart
Of course, you can restart the following NGINX
service nginx reload
⑥, view the current PHP version
php -v
OK