>>252 即興。動くかどうかは怪しい。
$handle_r = fopen("hoge.swf", "rb");
$capacity = (int)(1.4*1024*1024);
for($n = 0; $data = fread($handle_r, $capacity); $n++) {
$filename_w = "hoge" .$n. ".swf";
$handle_w = fopen($filename_w , "wb");
fwrite($handle_w, $data);
fclose($handle_w);
}
fclose($handle_r);