Apr 7, 2019 · Apr 6, 2019
diff --git a/configuration/environment_variables.rst b/configuration/environment_variables.rst
                'auth' => '%env(file:AUTH_FILE)%',
            ]);

 ``env(require:FOO)``
    ``require()`` the PHP file whose path is the value of the ``FOO``
    env var and return the value returned from it.

    .. configuration-block::

        .. code-block:: yaml

            # config/packages/framework.yaml
            parameters:
                env(PHP_FILE): '../config/.runtime-evaluated.php'
            app:
                auth: '%env(require:PHP_FILE)%'

        .. code-block:: xml

            <!-- config/packages/framework.xml -->
            <?xml version="1.0" encoding="UTF-8" ?>
            <container xmlns="http://symfony.com/schema/dic/services"
                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                xmlns:framework="http://symfony.com/schema/dic/symfony"
                xsi:schemaLocation="http://symfony.com/schema/dic/services
                    https://symfony.com/schema/dic/services/services-1.0.xsd
                    http://symfony.com/schema/dic/symfony
                    https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

                <parameters>
                    <parameter key="env(PHP_FILE)">../config/.runtime-evaluated.php</parameter>
                </parameters>

                <app auth="%env(require:PHP_FILE)%"/>
            </container>

        .. code-block:: php

            // config/packages/framework.php
            $container->setParameter('env(PHP_FILE)', '../config/.runtime-evaluated.php');
            $container->loadFromExtension('app', [
                'auth' => '%env(require:AUTH_FILE)%',
            ]);

    .. versionadded:: 4.3

        The ``require`` processor was introduced in Symfony 4.3.

 ``env(trim:FOO)``
    Trims the content of ``FOO`` env var, removing whitespaces from the beginning
    and end of the string. This is especially useful in combination with the
Original file line number	Diff line number	Diff line change
Expand Up		@@ -445,6 +445,51 @@ Symfony provides the following env var processors:
		'auth' => '%env(file:AUTH_FILE)%',
		]);

		``env(require:FOO)``
		``require()`` the PHP file whose path is the value of the ``FOO``
		env var and return the value returned from it.

		.. configuration-block::

		.. code-block:: yaml

		# config/packages/framework.yaml
		parameters:
		env(PHP_FILE): '../config/.runtime-evaluated.php'
		app:
		auth: '%env(require:PHP_FILE)%'

		.. code-block:: xml

		<!-- config/packages/framework.xml -->
		<?xml version="1.0" encoding="UTF-8" ?>
		<container xmlns="http://symfony.com/schema/dic/services"
		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		xmlns:framework="http://symfony.com/schema/dic/symfony"
		xsi:schemaLocation="http://symfony.com/schema/dic/services
		https://symfony.com/schema/dic/services/services-1.0.xsd
		http://symfony.com/schema/dic/symfony
		https://symfony.com/schema/dic/symfony/symfony-1.0.xsd">

		<parameters>
		<parameter key="env(PHP_FILE)">../config/.runtime-evaluated.php</parameter>
		</parameters>

		<app auth="%env(require:PHP_FILE)%"/>
		</container>

		.. code-block:: php

		// config/packages/framework.php
		$container->setParameter('env(PHP_FILE)', '../config/.runtime-evaluated.php');
		$container->loadFromExtension('app', [
		'auth' => '%env(require:AUTH_FILE)%',
		]);

		.. versionadded:: 4.3

		The ``require`` processor was introduced in Symfony 4.3.

		``env(trim:FOO)``
		Trims the content of ``FOO`` env var, removing whitespaces from the beginning
		and end of the string. This is especially useful in combination with the
Expand Down