var_dump( array( true , 12 , "php already does this" ) );

array(3) {
   [0]=>  bool(true)
   [1]=>  int(12)
   [2]=>  string(21) "php already does this"


Yeah. But this feature of PHP is a boon if used carefully and a curse if careless. You can get AMAZING results if you're not careful to check the data types ;)

And that's why language like C# and java supports <> to restrict the type of data a collection can hold.
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