phpexcel导出emoji符号报错怎么办？
phpexcel导出用户数据成excel时，如果昵称包含表情，会导致数据不完整。
过滤或替换emoji。因为emoji通过json_encode后，大部分都是u[ed] 开头的编码，所以先对昵称json_encode然后用正则过滤或替换成*，以下时相关代码：
$value = json_encode($value);
$value = preg_replace("/\\\u[ed][0-9a-f]{3}\\\u[ed][0-9a-f]{3}/","*",$value);//替换成*
$value = json_decode($value);更多相关技术文章，请访问PHP中文网！
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