support braced variable variable interpolation in double quoted strings
commit17db421a7c39c2a3d6beb22f6715afeb60bcbd21
authorFred Emmott <fe@fb.com>
Thu, 21 Jun 2018 15:57:14 +0000 (21 08:57 -0700)
committerHhvm Bot <hhvm-bot@users.noreply.github.com>
Thu, 21 Jun 2018 15:58:14 +0000 (21 08:58 -0700)
treefd1b873168fcdcd9a6ae09340fa491a3902e40b3
parentfaa5c28d7c13a5953811eb665c19d9add0267e64
support braced variable variable interpolation in double quoted strings

Summary:
fixes facebook/hhvm#8223

The only fixes 'not permissive enough', not 'too permissive'

Reviewed By: oulgen, alexeyt

Differential Revision: D8543351

fbshipit-source-id: 9e6d9cf40dc4d394664c7a3564d38f0c7b32fd6f
hphp/hack/src/parser/full_fidelity_expression_parser.ml
hphp/test/slow/string/variable_variable_interpolation.php [new file with mode: 0644]
hphp/test/slow/string/variable_variable_interpolation.php.expect [new file with mode: 0644]