top | item 38929226 (no title) tbm57 | 2 years ago this looks like this is specific to PHP? does this imply the existence of variable variable variables? discuss order hn newest bell-cot|2 years ago This feature is just a limited sort of pointers.You can do similar stuff in ~40-year-old sh shell code - with tricks like `eval echo \$$foo` - so I'd bet that the concept is older (& more common) than dirt.
bell-cot|2 years ago This feature is just a limited sort of pointers.You can do similar stuff in ~40-year-old sh shell code - with tricks like `eval echo \$$foo` - so I'd bet that the concept is older (& more common) than dirt.
bell-cot|2 years ago
You can do similar stuff in ~40-year-old sh shell code - with tricks like `eval echo \$$foo` - so I'd bet that the concept is older (& more common) than dirt.