怎么把存入数据库的PHP代码读出来

如何把存入数据库的PHP代码读出来
我想问一下各位我如何把PHP代码或html代码完整的读出来在php页面直接使用
------解决方案--------------------

$s =<<< TXT
array( 'small'  => 'Small Shirt', 'med'    => 'Medium Shirt', 'large'   => 'Large Shirt', 'xlarge' => 'Extra Large Shirt',);
TXT;
$a = eval("return $s");
print_r($a);

Array
(
[small] => Small Shirt
[med] => Medium Shirt
[large] => Large Shirt
[xlarge] => Extra Large Shirt
)