<p>The Dockerfile provided in the Q&amp;A indicates that the image uses the latest <code>php:7</code> as a base image. One could inspect the version as follows:    </p>

<pre><code>docker run -it php:7 php -v
</code></pre>

<p><strong>Result</strong></p>

<pre><code>PHP 7.3.11 (cli) (built: Oct 25 2019 02:24:51) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.11, Copyright (c) 1998-2018 Zend Technologies
</code></pre>

<hr>

<p><strong>How to use an older version of php in conjunction with this container?</strong></p>

<p>It is possible to use a specific version by checking the <a href="https://hub.docker.com/_/php?tab=tags" rel="nofollow noreferrer">tags of php on dockerhub</a>. According to this list, <code>7.2.25</code> is currently the latest <code>7.2</code>. If one changes the from of the Dockerfile to <code>FROM php:7.2.25</code> and build the image again, then <code>7.2.25</code> instead <code>7.3.11</code> will be used inside the container.</p>

CC BY-SA 4.0
2019-11-22T11:09:56.783Z
Therefore the image phpdoc/phpdoc use PHP 7.3.11?
I could force you to use another version (e.g. 7.2)?
Or there's some old version of the image phpdoc/phpdoc that uses PHP 7.2?
saven41
CC BY-SA 4.0
2019-11-22T11:59:15.933Z
But how can I download the Dockerfile related to the phpdoc/phpdoc image?
saven41
CC BY-SA 4.0
2019-11-22T10:23:39.020Z
2019-11-22T11:24:42.590Z
2019-11-22T11:24:42.590Z
030
<p>How do I get php version used by docker image <a href="https://hub.docker.com/r/phpdoc/phpdoc" rel="nofollow noreferrer">phpdoc/phpdoc</a>?</p>

<docker><php>
How to find the PHP version that is used by the latest `phpdoc/phpdoc` docker image?
saven41
# How to find the PHP version that is used by the latest `phpdoc/phpdoc` docker image?

(Asked by: username_0 on 2019-11-22)

How do I get php version used by docker image [phpdoc/phpdoc](https://hub.docker.com/r/phpdoc/phpdoc)?

**Tags:** docker, php


---

## 1 answers

### Answer by username_1 on 2019-11-22. Score: 1

The Dockerfile provided in the Q&A indicates that the image uses the latest php:7 as a base image. One could inspect the version as follows:    
docker run -it php:7 php -v

Result
PHP 7.3.11 (cli) (built: Oct 25 2019 02:24:51) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.11, Copyright (c) 1998-2018 Zend Technologies


How to use an older version of php in conjunction with this container?
It is possible to use a specific version by checking the tags of php on dockerhub. According to this list, 7.2.25 is currently the latest 7.2. If one changes the from of the Dockerfile to FROM php:7.2.25 and build the image again, then 7.2.25 instead 7.3.11 will be used inside the container.

> **Comments:**
> **username_0**: Therefore the image phpdoc/phpdoc use PHP 7.3.11? I could force you to use another version (e.g. 7.2)? Or there's some old version of the image phpdoc/phpdoc that uses PHP 7.2?  
> **username_0**: But how can I download the Dockerfile related to the phpdoc/phpdoc image?  

---

