How to transfer an Array over URL GET Parameters

/* array_over_get.php */

echo '<img src="process_images.php?arr='.$serial_arr.'" alt="stacked image"/>';

/* process_images.php */

foreach($image_arr as $value){
   /* do anything here 
    * just as an example

Why use of base64 encoding? URLencoding on a string is a waste of space and you only have 4k.

BUT, base64 encode may have +=/ characters, that have to be translated with urlencode mehr Infos:

@public #array #get #parameter #serialize #php