通过php快速统计某个数据库中每张表的数据量_PHP

$conn=mysql_connect('localhost','root',''); 
mysql_select_db('数据库',$conn); 
$sql="SELECT information_schema.TABLES.TABLE_NAME FROM information_schema. TABLES WHERE table_schema = '数据库'"; 
$res=mysql_query($sql); 
while ($result = mysql_fetch_assoc($res)) { 
$tables[]=$result['TABLE_NAME']; 
}; 
echo "




"; 
foreach ($tables as $k=>$v){ 
$sql_count="select count(id) AS nums,'".$v."' from ".$tables[$k]; 
$res_count=mysql_query($sql_count); 
$result_count = mysql_fetch_assoc($res_count); 
echo "'; 
} 
echo "
 
 
 
表名
 
数据量
 
".$result_count[$v].'
'.$result_count['nums'].'
" 
?>