Method of replacing Chinese characters with PHP

This paper

stay php Script , If you need to replace Chinese characters , although str_replace Built in functions can be replaced normally , But for the reliability of the program , Or is it recommended to open it php Of mb_string Expand , And use double byte reliable mb_ereg_replace function .

php mb_ereg_replace Function to replace Chinese characters

notes ： In the use of mb_ereg_replace Function before , You need to open it first php Of mb_string Expand ！

<?php
echo mb_ereg_replace(" Format ",