切片二维数组

Question

错误告诉我：array_slice（）期望参数1是数组。有人能告诉我我做错了什么吗？

<?php
   $vendorlist = array(array($n,$ca,$b,$co,$a,$aa,$aaa,$t,$tt,$e,$p));
   $record = unserialize(@file_get_contents('./Vendors/$vendorlist'));

   $new_vendor_number = array_slice($record[0],-1,5);
   $catname = array_slice($record[0],5,100);

        echo "$new_vendor_number";
        echo "$catname";

   $new_vendor_number = array_slice($record[1],-1,5);
   $catname = array_slice($record[1],5,100);

        echo "$new_vendor_number";
        echo "$catname";

   ?>