docs/php/content.md

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# What is PHP?
PHP is a server-side scripting language designed for web development, but which
can also be used as a general-purpose programming language. PHP can be added to
straight HTML or it can be used with a variety of templating engines and web
frameworks. PHP code is usually processed by an interpreter, which is either
implemented as a native module on the web-server or as a common gateway
interface (CGI).
> [wikipedia.org/wiki/PHP](http://en.wikipedia.org/wiki/PHP)
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# How to use this image.
## With Command Line
For PHP projects run through the command line interface (CLI), you can do the
following.
### Create a `Dockerfile` in your PHP project
FROM php:5.6-cli
COPY . /usr/src/myapp
WORKDIR /usr/src/myapp
CMD [ "php", "./your-script.php" ]
Then, run the commands to build and run the Docker image:
docker build -t my-php-app .
docker run -it --rm --name my-running-app my-php-app
### Run a single PHP script
For many simple, single file projects, you may find it inconvenient to write a
complete `Dockerfile`. In such cases, you can run a PHP script by using the PHP
Docker image directly:
docker run -it --rm --name my-running-script -v "$(pwd)":/usr/src/myapp -w /usr/src/myapp php:5.6-cli php your-script.php
## With Apache
More commonly, you will probably want to run PHP in conjunction with Apache
httpd. Conveniently, there's a version of the PHP container that's packaged with
the Apache web server.
### Create a `Dockerfile` in your PHP project
FROM php:5.6-apache
COPY . /var/www/html
Then, run the commands to build and run the Docker image:
docker build -t my-php-app .
docker run -it --rm --name my-running-app my-php-app
### Without a `Dockerfile`
If you don't want to include a `Dockerfile` in your project, it is sufficient to
do the following:
docker run -it --rm --name my-apache-php-app -v "$(pwd)":/var/www/html php:5.6-apache