CPU cache has always been an important knowledge of computer architecture, but also the technical difficulties in concurrent programming design, and related reference materials like Shijiang, the vast stars, read the're walking, bland, words
The browser output is as follows.When you use Mysql_both or omit this argument, you will have both Mysql_num and mysql_ ASSOC attributes.MySQL the Mysql_fetch_array function obtains a row in the query result as an arraymysql_fetch_* column
Php implements powerful MYSQL encapsulation class instances based on PDO, pdomysql
This example describes the MYSQL encapsulation class that php implements with powerful functions based on PDO. We will share this with you for your reference. The
This article mainly introduces PHP based on the PDO implementation of the powerful MySQL package class, combined with a complete example of PHP based on the implementation of the MySQL database connection, deletion, transaction and other methods,
For an object, you can access its member attributes in array mode and object mode; 100 points: class {
Public $ aaa = 1;
}
$ A = new ();
Echo $ a-> aaa; // 1
At the same time, you can directly:
Echo $ a ['AAA']; // 1
In PDO, we can implement $
Class a{
public $aaa = 1;
}
$a =new A ();
Echo $a->aaa; 1
You can also directly:
echo $a [' AAA ']; 1
In PDO, it can be implemented $db->fetch (Pdo::fetch_lazy), which shows that PHP can do the above results; How is the concrete
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.