[hack] Quotes in heredoc
[hack] Quotes in heredoc

Summary:
Per http://php.net/manual/en/language.types.string.php#language.types.string.syntax.nowdoc :
>Heredoc text behaves just like a double-quoted string, without the double quotes. This means that quotes in a heredoc do not need to be escaped

Reviewed By: hubyrod

Differential Revision: D6031023

fbshipit-source-id: abdc8e08c195287e5b30a19f3e43c4bed13fd7ae

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