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[Configuration] Clarify variables_order #19732

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Apr 3, 2024
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[Configuration] Clarify variables_order #19732

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7 changes: 4 additions & 3 deletions configuration.rst
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Expand Up @@ -874,9 +874,10 @@ the right situation:
but the overrides only apply to one environment.

*Real* environment variables always win over env vars created by any of the
``.env`` files. This behavior depends on
`variables_order <http://php.net/manual/en/ini.core.php#ini.variables-order>`_ to
contain an ``E`` to expose the ``$_ENV`` superglobal.
``.env`` files. Note that this behavior depends on the
`variables_order <http://php.net/manual/en/ini.core.php#ini.variables-order>`_
configuration, which must contain an ``E`` to expose the ``$_ENV`` superglobal.
This is the default configuration in PHP.

The ``.env`` and ``.env.<environment>`` files should be committed to the
repository because they are the same for all developers and machines. However,
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