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Subject: Re: [PHP-DEV] ext/filter, add input_get_args, support of scalar or
	array result
From: rasmus@lerdorf.com (Rasmus Lerdorf)

Pierre wrote:
> I put a small example here:
> http://pecl.php.net/~pierre/filter_input_get_args_example.phps
> 
> and the patch:
> http://pecl.php.net/~pierre/patch_filter_input_get_args.txt

I think this looks ok.  I have been trying to come up with a shorter and 
cleaner syntax to specify these things, but so far I haven't come up 
with anything I really like.  The closest I have come is something like 
this:

$args = array(
     'product_id'   => 'Enc',
     'component'    => 'Int:Array:1-10',
     'versions'     => 'Enc',
     'doesnotexist' => 'Int',
     'testscalar'   => 'Int:Scalar',
     'testarray'    => 'Int:Array'
);

But I am not completely happy with the magic shortcuts in the strings 
there.  The above would be equivalent to:

$args = array(
     'product_id'    => FILTER_SANITIZE_ENCODED,
     'component'     => array('filter'    => FILTER_VALIDATE_INT,
                              'flags'    => FILTER_FLAG_ARRAY,
                              'options'    => array("min_range"=>1, 
"max_range"=>10)
                         ),
     'versions'      => FILTER_SANITIZE_ENCODED,
     'doesnotexist'  => FILTER_VALIDATE_INT,
     'testscalar'    => array(
                                 'filter' => FILTER_VALIDATE_INT,
                                 'flags'  => FILTER_FLAG_SCALAR,

                             ),
     'testarray'    => array(
                                 'filter' => FILTER_VALIDATE_INT,
                                 'flags'  => FILTER_FLAG_ARRAY,
                             )

);

-Rasmus