- Change unpacking to calls of native functions that uses pass-by-reference to use
call_user_func_array
sincehhvm
doesn't support it. - splice extracted is thrown away (maybe these functions can set $this->value and $this->array and then add function ->value())
- pushChain
- popChain
- each
- every
- flatten
- forget
- forPage
- groupBy
- isEmpty
- keyBy
- pluck
- prepend
- pull
- put
- reject
- take
- toJson
- transform
- where
- whereLoose
- zip
- explode
- implode
- split
- preg_split
- unset