minor #2778 AutoReview - watch that code samples are unique (keradus)
minor #2778 AutoReview - watch that code samples are unique (keradus)

This PR was squashed before being merged into the 2.2 branch (closes #2778).

Discussion
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AutoReview - watch that code samples are unique

ref #2769, #2775

Commits
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0b25f304 AutoReview - watch that code samples are unique

kubawerlos/PHP-CS-Fixer,lucasmichot/PHP-CS-Fixer,lucasmichot/PHP-CS-Fixer,keradus/PHP-CS-Fixer,keradus/PHP-CS-Fixer,kubawerlos/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,GrahamCampbell/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,SpacePossum/PHP-CS-Fixer,FriendsOfPHP/PHP-CS-Fixer,Soullivaneuh/PHP-CS-Fixer,gharlan/PHP-CS-Fixer,Soullivaneuh/PHP-CS-Fixer,Slamdunk/PHP-CS-Fixer