bug #14392 Enclose a value with ampersands in single quotes (Chi-teck)

This PR was submitted for the 5.x branch but it was merged into the 4.4 branch instead.

Discussion
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Enclose a value with ampersands in single quotes

This assignment does not work in bash becacuse `&` has special meaning.
`SYMFONY_DEPRECATIONS_HELPER=max[total]=42&max[self]=0&verbose=0`

Commits
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23164fe Enclose a value with ampersands in single quotes

Author: wouterj

components/phpunit_bridge.rst

@@ -234,7 +234,7 @@ You can have even finer-grained control by using other keys of the ``max``
 array, which are ``self``, ``direct``, and ``indirect``. The
 ``SYMFONY_DEPRECATIONS_HELPER`` environment variable accepts a URL-encoded
 string, meaning you can combine thresholds and any other configuration setting,
-like this: ``SYMFONY_DEPRECATIONS_HELPER=max[total]=42&max[self]=0&verbose=0``
+like this: ``SYMFONY_DEPRECATIONS_HELPER='max[total]=42&max[self]=0&verbose=0'``
 
 Internal deprecations
 .....................