How to remove the last Chinese character in php

php method to remove the last Chinese character: first create a PHP sample file; then remove the last Chinese character through the "$newstr = substr($str,0,strlen($str)-3);" method Can.

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php removes the last character in the string and Chinese characters

1.php removes the last character in the string:

//方法一：
$newstr = substr($str,0,strlen($str)-1); 
//方法二：
$newstr = substr($str, 0, -1)

2.php removes the last Chinese character in the string:

//坑的地方就是这个，汉字在u8编码中是占3个字符，所以得注意
$newstr = substr($str,0,strlen($str)-3);  //这是去掉字符串中的最后一个汉字

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