获取 php 版本的 Bash 脚本

Question

I would like to get the current numerical value for php in the php.ini path. I understand that php -v gets me a bunch of info, but I just need the "7.2" or whatever the current version is from the php.ini path.

Edit: I'm building an automation script and if the version changes, I need to be able to know what was installed when I ran apt-get install php

This script gets me the line i care about:

php --ini | grep Loaded | cut -d' ' -f12

The result (as of today) is

/etc/php/7.2/cli/php.ini

Whats the best in bash way to echo "7.2" assuming that the /etc/php will not change (its unlikely based on the history of where php installs using apt-get)

I'm open to other methods that don't involve php --ini, I just need the 7.2 (or whatever that path value may morph into).

Answer 1

If you're building your automations with apt, then you should be relying on apt and/or dpkg to get the relevant information.

dpkg -l 'php*' | grep ^ii

For completenes, yum/dnf/rpm:

rpm -qa 'php*'

Answer 2

我一问，就意识到我可以调整分隔符并查找第 4 项。

php --ini | grep Loaded | cut -d'/' -f4

Answer 3

This way uses CLI

php -r "echo substr(phpversion(),0,3);"

OR

php -r "echo implode('.', array_slice(explode('.', PHP_VERSION),0,2));"

Answer 4

I would like to get the current numerical value for php in the php.ini path. I understand that php -v gets me a bunch of info, but I just need the "7.2" or whatever the current version is from the php.ini path.

Edit: I'm building an automation script and if the version changes, I need to be able to know what was installed when I ran apt-get install php

This script gets me the line i care about:

php --ini | grep Loaded | cut -d' ' -f12

The result (as of today) is

/etc/php/7.2/cli/php.ini

Whats the best in bash way to echo "7.2" assuming that the /etc/php will not change (its unlikely based on the history of where php installs using apt-get)

I'm open to other methods that don't involve php --ini, I just need the 7.2 (or whatever that path value may morph into).