是的,PHP的mb_detect_encoding函数可以用来检测字符串的编码格式,包括UTF-8编码。当检测到UTF-8编码时,函数会返回"UTF-8"。示例代码如下:
$text = "你好,世界!";
$encoding = mb_detect_encoding($text, "UTF-8");
if($encoding == "UTF-8"){
echo "字符串编码为UTF-8";
}else{
echo "字符串编码不是UTF-8";
}
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