From Single file input array to Multiple files input array with PHP

[lauthiamkok]

Two problems:

1. How can I check whether I receive a Single file input array or a Multiple files input array from a form?

2. How can I change the Single file input array into the Multiple files input array?

Single file input array,

 Array
    (
        [file] => Array
            (
                [name] => Around the Shoreline of Plymouth01.jpg
                [type] => image/jpeg
                [tmp_name] => C:\wamp\tmp\php7FC5.tmp
                [error] => 0
                [size] => 258246
            )
    
    ) 

Multiple files input array,

Array
    (
        [file] => Array
            (
                [name] => Array
                    (
                        [0] => Around the Shoreline of Plymouth01.jpg
                    )
    
                [type] => Array
                    (
                        [0] => image/jpeg
                    )
    
                [tmp_name] => Array
                    (
                        [0] => C:\wamp\tmp\phpFF9D.tmp
                    )
    
                [error] => Array
                    (
                        [0] => 0
                    )
    
                [size] => Array
                    (
                        [0] => 258246
                    )
    
            )
    
    ) 

This is what I came out with but it is still not correct...

 $array = array();
    foreach ($_FILES as $key => $fileItSelf) 
    {
      
        foreach ($fileItSelf as $key => $value) 
        {
            $array[] = array($key => $value);
            //$value[]
        }
        
    }
    
    print_r($array); 

result:

 Array
    (
        [0] => Array
            (
                [name] => Around the Shoreline of Plymouth01.jpg
            )
    
        [1] => Array
            (
                [type] => image/jpeg
            )
    
        [2] => Array
            (
                [tmp_name] => C:\wamp\tmp\php4C50.tmp
            )
    
        [3] => Array
            (
                [error] => 0
            )
    
        [4] => Array
            (
                [size] => 258246
            )
    
    ) 

Thanks,
Lau