Code sharing to test whether PHP connection to MySQL is successful_PHP tutorial

In many cases we don’t know whether it is a PHP error or an incorrect mysql username and password that causes cms operation errors. You can test it with the following code first

The method is simple: ​ Save the following code as test.php, put it in the web directory and execute it. ​ The code is as follows: ​ ​ The parameters of the mysql_connect() function are: mysql server name or IP, mysql user name, and mysql user password.

http://www.bkjia.com/PHPjc/727551.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/727551.htmlTechArticleIn many cases we don’t know whether it is a php error or an incorrect mysql username and password that causes a cms operation error. You can use Just test the following code. The method is very simple: change the following...