php函数array_merge用法一例(合并同类数组)

$arr1 = $dblink->mem_fetch_array ( "SELECT t_pid,imgname,invented,score FROM `t_sum_giftimg` where t_pid=3 or t_pid=6", 0 ); 
$arr2 = $dblink->mem_fetch_array ( "SELECT t_pid,imgname,invented,score FROM `t_sum_giftimg` where t_pid=10 or t_pid=12", 0 ); 
$imgInfo = array_merge ( $arr1, $arr2 ); 
if ($imgInfo) { 
   foreach ( $imgInfo as $imgInfo ) { 
       $imgs [] = $imgInfo; 
   } 
}