（转）处理微信昵称emoji方法

https://blog.csdn.net/tornge/article/details/51272908

移除微信昵称中的emoji字符：

function removeEmoji($nickname) {      $clean_text = "";      // Match Emoticons     $regexEmoticons = '/[\x{1F600}-\x{1F64F}]/u';     $clean_text = preg_replace($regexEmoticons, '', $text);      // Match Miscellaneous Symbols and Pictographs     $regexSymbols = '/[\x{1F300}-\x{1F5FF}]/u';     $clean_text = preg_replace($regexSymbols, '', $clean_text);      // Match Transport And Map Symbols     $regexTransport = '/[\x{1F680}-\x{1F6FF}]/u';     $clean_text = preg_replace($regexTransport, '', $clean_text);      // Match Miscellaneous Symbols     $regexMisc = '/[\x{2600}-\x{26FF}]/u';     $clean_text = preg_replace($regexMisc, '', $clean_text);      // Match Dingbats     $regexDingbats = '/[\x{2700}-\x{27BF}]/u';     $clean_text = preg_replace($regexDingbats, '', $clean_text);      return $clean_text; }

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https://github.com/iamcal/php-emoji

// 过滤掉emoji表情

function filterEmoji($str) {     $str = preg_replace_callback( '/./u',             function (array $match) {                 return strlen($match[0]) >= 4 ? '' : $match[0];             },             $str);       return $str;  }

文章来源: （转）处理微信昵称emoji方法