标签：
这个鬼emoji表情是4个字节，mysql使用的utf8编码，UTF8占3个字节，要存储那个emoji表情需要将mysql编码由UFT8改为UFT8的超集，utf8mb4;
改数据库编码容易引起大面的乱码灾难。所以当遇到emoji字符表情的时候做特殊处理。网上也有很多处理方案，最后找到了一个贴上地址和代码:https://github.com/BriquzStudio/php-emoji ,多谢
class Emoji
{
/**
* Encode emoji in text
* @param string $text text to encode
*/
public static function Encode($text) {
return self::convertEmoji($text,"ENCODE");
}
/**
* Decode emoji in text
* @param string $text text to decode
*/
public static function Decode($text) {
return self::convertEmoji($text,"DECODE");
}
private static function convertEmoji($text,$op) {
if($op=="ENCODE"){
return preg_replace_callback(‘/([0-9|#][\x{20E3}])|[\x{00ae}|\x{00a9}|\x{203C}|\x{2047}|\x{2048}|\x{2049}|\x{3030}|\x{303D}|\x{2139}|\x{2122}|\x{3297}|\x{3299}][\x{FE00}-\x{FEFF}]?|[\x{2190}-\x{21FF}][\x{FE00}-\x{FEFF}]?|[\x{2300}-\x{23FF}][\x{FE00}-\x{FEFF}]?|[\x{2460}-\x{24FF}][\x{FE00}-\x{FEFF}]?|[\x{25A0}-\x{25FF}][\x{FE00}-\x{FEFF}]?|[\x{2600}-\x{27BF}][\x{FE00}-\x{FEFF}]?|[\x{2600}-\x{27BF}][\x{1F000}-\x{1FEFF}]?|[\x{2900}-\x{297F}][\x{FE00}-\x{FEFF}]?|[\x{2B00}-\x{2BF0}][\x{FE00}-\x{FEFF}]?|[\x{1F000}-\x{1F9FF}][\x{FE00}-\x{FEFF}]?|[\x{1F000}-\x{1F9FF}][\x{1F000}-\x{1FEFF}]?/u‘,array(‘self‘,"encodeEmoji"),$text);
}else{
return preg_replace_callback(‘/(\\\u[0-9a-f]{4})+/‘,array(‘self‘,"decodeEmoji"),$text);
}
}
private static function encodeEmoji($match) {
return str_replace(array(‘[‘,‘]‘,‘"‘),‘‘,json_encode($match));
}
private static function decodeEmoji($text) {
if(!$text) return ‘‘;
$text = $text[0];
$decode = json_decode($text,true);
if($decode) return $decode;
$text = ‘["‘ . $text . ‘"]‘;
$decode = json_decode($text);
if(count($decode) == 1){
return $decode[0];
}
return $text;
}
}
$nickName = Emoji::Decode($userinfo[‘nickname‘]);
$realName = empty($nickName) ? ‘微信用户:‘ . time() : $nickName;
标签：
原文地址：http://www.cnblogs.com/Tsai_Quinn/p/5811364.html
