Re: func_get_args as a hash? (faster constructors)

Kelly Jones wrote: > If I define a function like this: > > function foo ($x, $y, $z) {} > > and then call: foo(1,2,"bar"); > > is there a function I can call inside foo() that yields this hash: > > {"x" => 1, "y" => 2, "z" => "bar"} > > In other words, gives me the values *and names* of the arguments to foo? > > func_get_args just yields the values. > > Having this function would make writing constuctors easier. > > The normal way: > > fuction ClassName ($x, $y, $z) { > $this->x = $x; > $this->y = $y; > $this->z = $z; > } > > could be replaced with: > > function ClassName ($x, $y, $z) { > foreach (magic_function_i_want() as $key=>$val) { > $this->$key =$val; > } which is slower. what might be nice is a special function modifier (just thinking out loud): autoargs function __construct($x, $y, $z) { $this->foo = 'bar'; } which would be equivalent to: function __construct($x, $y, $z) { $this->x = $x; $this->y = $y; $this->z = $z; $this->foo = 'bar'; } but it's such a simplistic idea that its probably not worthy - in practice objects don't often taken that many args and more often than not you [should be] doing some sanitation of the args. > } > > Obviously, it's more of a savings when you have a large number of > parameters. you might consider a meta class concept - write classes that are used as configurations add/update boiler-plate init code for classes. MetaCls () { $args = array('x', 'y', 'z'); } -- php run_meta_generation_routine.php -c Cls -- Cls { /* added by run_meta_generation_routine.php */ function __construct($x, $y, $z) { $this->x = $x; $this->y = $y; $this->z = $z; } } >