Правельнее так:
$Link = rand(0, число которое у random() по умолчанию)*1000000000;
-~{}~ 13.10.04 18:48:
delaf
"Note: On some platforms (such as Windows) RAND_MAX is only 32768. If you require a range larger than 32768, specifying min and max will allow you to create a range larger than RAND_MAX, or consider using mt_rand() instead." (c) manual