--TEST-- Flexible heredoc syntax complex test 2: interpolated nested heredocs with the same delimiter name --FILE-- <?php $a = 'b'; ${"b\nb\n d"} = 'b'; var_dump(<<<DOC1 a ${<<<DOC1 b ${<<<DOC1 a DOC1} d DOC1 } c DOC1); ?> --EXPECT-- string(5) "a b c"