一 什么是Emoji
emoji就是表情符号；词义来自日语（えもじ，e-moji，moji在日语中的含义是字符）
表情符号现已普遍应用于手机短信和网络聊天软件。
emoji表情符号，在外国的手机短信里面已经是很流行使用的一种表情。
在国内的微信和微信中也被采用。
Emoji 全编码表：
punchdrunker.github.com/iOSEmoji/table_html/flower.html
code.iamcal.com/php/emoji/
<?php include('emoji.php'); # browser sniffing tells us that a docomo phone
# submitted this text
$clean_text = emoji_docomo_to_unified($_POST[message]); ... # now we want to show it in a desktop browser
$html = emoji_unified_to_html($clean_text);?>回复代码如下所示：
<?php/*
方倍工作室 http://www.fangbei.org/
CopyRight 2015 All Rights Reserved*/define("TOKEN", "weixin");$wechatObj = new wechatCallbackapiTest();if (!isset($_GET['echostr'])) { $wechatObj->responseMsg();
}else{ $wechatObj->valid();
}class wechatCallbackapiTest
{ //验证签名
public function valid()
{ $echoStr = $_GET["echostr"]; $signature = $_GET["signature"]; $timestamp = $_GET["timestamp"]; $nonce = $_GET["nonce"]; $token = TOKEN; $tmpArr = array($token, $timestamp, $nonce); sort($tmpArr, SORT_STRING); $tmpStr = implode($tmpArr); $tmpStr = sha1($tmpStr); if($tmpStr == $signature){ header('content-type:text'); echo $echoStr; exit;
}
} //响应消息
public function responseMsg()
{ $postStr = $GLOBALS["HTTP_RAW_POST_DATA"]; if (!empty($postStr)){ $this->logger("R \r\n".$postStr); $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); $RX_TYPE = trim($postObj->MsgType);
//消息类型分离
switch ($RX_TYPE)
{ case "event": $result = $this->receiveEvent($postObj); break; case "text": $result = $this->receiveText($postObj); break;
default: $result = "unknown msg type: ".$RX_TYPE; break;
} $this->logger("T \r\n".$result); echo $result;
}else { echo ""; exit;
}
} //接收事件消息
private function receiveEvent($object)
{ $content = ""; switch ($object->Event)
{ case "subscribe": $content = "欢迎关注方倍工作室 "; break; case "unsubscribe": $content = "取消关注"; break; case "CLICK": switch ($object->EventKey)
{ case "COMPANY": $content = array(); $content[] = array("Title"=>"方倍工作室", "Description"=>"", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"); break; default: $content = "点击菜单：".$object->EventKey; break;
} break; default: $content = "receive a new event: ".$object->Event; break;
} if(is_array($content)){ if (isset($content[0]['PicUrl'])){ $result = $this->transmitNews($object, $content);
}else if (isset($content['MusicUrl'])){ $result = $this->transmitMusic($object, $content);
}
}else{ $result = $this->transmitText($object, $content);
} return $result;
} //接收文本消息
private function receiveText($object)
{ $keyword = trim($object->Content); //多客服人工回复模式
if (strstr($keyword, "请问在吗") || strstr($keyword, "在线客服")){ $result = $this->transmitService($object); return $result;
} //自动回复模式
if (strstr($keyword, "文本")){ $content = "这是个文本消息";
}else if (strstr($keyword, "表情")){ $content = "中国：".$this->bytes_to_emoji(0x1F1E8).$this->bytes_to_emoji(0x1F1F3)."\n仙人掌：".$this->bytes_to_emoji(0x1F335);
}else if (strstr($keyword, "单图文")){ $content = array(); $content[] = array("Title"=>"单图文标题", "Description"=>"单图文内容", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");
}else if (strstr($keyword, "图文") || strstr($keyword, "多图文")){ $content = array(); $content[] = array("Title"=>"多图文1标题", "Description"=>"", "PicUrl"=>"http://discuz.comli.com/weixin/weather/icon/cartoon.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"); $content[] = array("Title"=>"多图文2标题", "Description"=>"", "PicUrl"=>"http://d.hiphotos.bdimg.com/wisegame/pic/item/f3529822720e0cf3ac9f1ada0846f21fbe09aaa3.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958"); $content[] = array("Title"=>"多图文3标题", "Description"=>"", "PicUrl"=>"http://g.hiphotos.bdimg.com/wisegame/pic/item/18cb0a46f21fbe090d338acc6a600c338644adfd.jpg", "Url" =>"http://m.cnblogs.com/?u=txw1958");
}else if (strstr($keyword, "音乐")){ $content = array(); $content = array("Title"=>"最炫民族风", "Description"=>"歌手：凤凰传奇", "MusicUrl"=>"http://121.199.4.61/music/zxmzf.mp3", "HQMusicUrl"=>"http://121.199.4.61/music/zxmzf.mp3");
}else{ $content = date("Y-m-d H:i:s",time())."\nOpenID：".$object->FromUserName."\n技术支持 方倍工作室"; // $content = ""; } if(is_array($content)){ if (isset($content[0])){ $result = $this->transmitNews($object, $content);
}else if (isset($content['MusicUrl'])){ $result = $this->transmitMusic($object, $content);
}
}else{ $result = $this->transmitText($object, $content);
} return $result;
} //回复文本消息
private function transmitText($object, $content)
{ if (!isset($content) || empty($content)){ return "";
} $xmlTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[%s]]></Content>
</xml>"; $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), $content); return $result;
} //回复图文消息
private function transmitNews($object, $newsArray)
{ if(!is_array($newsArray)){ return "";
} $itemTpl = " <item>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<PicUrl><![CDATA[%s]]></PicUrl>
<Url><![CDATA[%s]]></Url>
</item>"; $item_str = ""; foreach ($newsArray as $item){ $item_str .= sprintf($itemTpl, $item['Title'], $item['Description'], $item['PicUrl'], $item['Url']);
} $xmlTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[news]]></MsgType>
<ArticleCount>%s</ArticleCount>
<Articles>$item_str </Articles>
</xml>"; $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time(), count($newsArray)); return $result;
} //回复音乐消息
private function transmitMusic($object, $musicArray)
{ if(!is_array($musicArray)){ return "";
} $itemTpl = "<Music>
<Title><![CDATA[%s]]></Title>
<Description><![CDATA[%s]]></Description>
<MusicUrl><![CDATA[%s]]></MusicUrl>
<HQMusicUrl><![CDATA[%s]]></HQMusicUrl>
</Music>"; $item_str = sprintf($itemTpl, $musicArray['Title'], $musicArray['Description'], $musicArray['MusicUrl'], $musicArray['HQMusicUrl']); $xmlTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[music]]></MsgType> $item_str</xml>"; $result = sprintf($xmlTpl, $object->FromUserName, $object->ToUserName, time()); return $result;
} //字节转Emoji表情
function bytes_to_emoji($cp)
{ if ($cp > 0x10000){ # 4 bytes
return chr(0xF0 | (($cp & 0x1C0000) >> 18)).chr(0x80 | (($cp & 0x3F000) >> 12)).chr(0x80 | (($cp & 0xFC0) >> 6)).chr(0x80 | ($cp & 0x3F));
}else if ($cp > 0x800){ # 3 bytes
return chr(0xE0 | (($cp & 0xF000) >> 12)).chr(0x80 | (($cp & 0xFC0) >> 6)).chr(0x80 | ($cp & 0x3F));
}else if ($cp > 0x80){ # 2 bytes
return chr(0xC0 | (($cp & 0x7C0) >> 6)).chr(0x80 | ($cp & 0x3F));
}else{ # 1 byte
return chr($cp);
}
} //日志记录
private function logger($log_content)
{ if(isset($_SERVER['HTTP_APPNAME'])){ //SAE
sae_set_display_errors(false);
sae_debug($log_content);
sae_set_display_errors(true);
}else if($_SERVER['REMOTE_ADDR'] != "127.0.0.1"){ //LOCAL
$max_size = 1000000; $log_filename = "log.xml"; if(file_exists($log_filename) and (abs(filesize($log_filename)) > $max_size)){unlink($log_filename);} file_put_contents($log_filename, date('Y-m-d H:i:s')." ".$log_content."\r\n", FILE_APPEND);
}
}
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