How to implement Chinese character replacement in php
php method to replace Chinese characters: first create a PHP sample file; then use the "function substr_cut($user_name){...}" method to replace Chinese characters with star symbols.
Recommended: "PHP Video Tutorial"
PHP solves the problem of using * to replace Chinese characters
For the problem of using * to replace certain parts of the string:
1. Example:
$username = "linshouyue"; echo substr_replace($username,'****','3','4');
substr_replace() function
1.1) First parameter is the string to be processed
1.2) The second parameter is the replacement symbol used
1.3) The third/fourth parameter is the position of the string that needs to be replaced (replace starting from the third character The last four characters)
But this function has no problem with the number of English characters/digits, but once it encounters Chinese characters, there will be very embarrassing problems, because the bytes of Chinese characters and English characters are different , you can use the following method to solve it:
/** * *替换中文汉字 * @author 月月 */ function substr_cut($user_name){ $strlen = mb_strlen($user_name, 'utf-8'); $firstStr = mb_substr($user_name, 0, 1, 'utf-8'); $lastStr = mb_substr($user_name, -1, 1, 'utf-8'); return $strlen == 2 ? $firstStr . str_repeat('*', mb_strlen($user_name, 'utf-8') - 1) : $firstStr . str_repeat("*", $strlen - 2) . $lastStr; }
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