php check db connection

Copy codeThe Code is as follows:Require_once "DB. php"; // contains the class library file$ Conn = DB: connect ("mysql: // root: 1981427 @ localhost/test"); // connect to the databaseIf (! DB: isError ($ conn) {// determine whether the connection is

1. Introduction This is a guide on how to use pear dB extensions. Pear dB provides the following classes:N database abstractionN advanced Error Handling MechanismN and others 2. Download and install Pear Because the pear project is still under

1. Introduction This is a guide to how we use the Pear db extension. Pear DB, which provides a series of classes: N Database Abstraction N Advanced error handling mechanism N and other 2. Download and install Pear Since the Pear project is still

Php connection Access database error and solution. There are two common methods for connecting php + access to the database. the recommended code should be noted that php uses realpath to obtain the path. the code for copying the code is as follows :

1. Introduction This is a guide to how we use the Pear db extension. Pear DB, which provides a series of classes: N Database Abstraction N Advanced error handling mechanism N and other 2. Download and install Pear Since the Pear project is still

PHP uses Redis persistent connection methods, phpredis connection details This article describes how PHP uses Redis persistent connection. We will share this with you for your reference. The details are as follows: Php-redis Project address on

What is persistent connection?In fact, persistent connections are relative to common short connections, that is, to maintain the connection between the client and the server for a long time.The common short connection procedure is as

Common PHP Access database errors and solutions. There are two common methods for connecting php + access to the database. [www.veryhuo.com] for example, php + access is commonly used to connect to the database by establishing an odbc driver and

Oracle| Object | data The original developer of a new PHP data object (PDO) Data abstraction Layer gives you a brief introduction to the abstraction layer, focusing on running with Oracle. Need php:5.0Need other: Oracle 8 or later client

In the MySQL error log, a large number of similar information is found: (MySQL 5.7.18)[Note] Aborted connection 1055898 to db: ' xxx ' User: ' yyy ' host: ' xxx.xxx.xxx.xxx ' (Got timeout reading communication packets)In this aborted connection case,