php过滤iphone的emoji表情

public static function removeEmoji($text) {

    $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;

}