MySQL read-write separation implemented by PHP_PHP tutorial

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Mysql read-write separation implemented by PHP

Main features:

1. Simple read-write separation

2. One main database, you can add more read-only databases

3. Read and write separation but don’t worry about some features not being supported

4. Disadvantages: Connect two at the same time Database

English is poor, please write a few words

php code for mysql read/write split
feature:
simply rw split
one master, can add more slaves
support all mysql feature
link to the master and slave at the same time

PHP code :