Mysql read-write separation operation implemented by PHP-PHP Tutorial-php.cn

This article mainly introduces the mysql read-write separation operation implemented by PHP, briefly describes the principle of mysql read-write separation, and combines examples to provide relevant implementation techniques for PHP to operate different databases with mysql read-write sql statements. , Friends who need it can refer to

The example in this article describes the mysql read-write separation operation implemented by PHP. Share it with everyone for your reference, the details are as follows:

First of all, the mysql master and slave need to be configured. The basic principle is to determine whether the sql statement is select. If so, go to the master library, otherwise check from the slave

'; $link = mysql_connect("192.168.20.201:3306", "open", "123456") or die("Could not connect: " . mysql_error()); mysql_select_db("hadoop"); $result = mysql_query($sql); while($row = mysql_fetch_array($result,MYSQL_ASSOC)){ $data[]=$row; } //print_r($data);exit; echo mysql_get_host_info($link).mysql_get_server_info($link).mysql_get_proto_info($link).mysql_get_client_info().'
'; }else{ echo 'I am using master db..
'; $link = mysql_connect("192.168.20.195:3306","open","123456") or die("Could not connect: " . mysql_error()); mysql_select_db("hadoop"); $result = mysql_query($sql); //echo @mysql_affected_rows($result); echo mysql_get_host_info($link).mysql_get_server_info($link).mysql_get_proto_info($link).mysql_get_client_info().'
'; } } } $master = new db("INSERT INTO user (id,name)VALUES (NULL,'100')"); $slave = new db("SELECT * from `user`");

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Result:

I am using master db.. 192.168.20.195 via TCP/IP5.1.73-log10mysqlnd 5.0.8-dev - 20102224 - $Id: 731e5b87ba42146a687c29995d2dfd8b4e40b325 $ I am using slave db.. 192.168.20.201 via TCP/IP5.1.73-log10mysqlnd 5.0.8-dev - 20102224 - $Id: 731e5b87ba42146a687c29995d2dfd8b4e40b325 $

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