本文實例講述了PHP讀取文件,解決中文亂碼UTF-8的方法。分享給大家供大家參考，具體如下：
$opts = array(
'file' => array(
'encoding' => "utf-8"
)
);
$opts = array('http' => array('encoding' => 'utf-8'));
$ctxt = stream_context_create($opts);
$content = file_get_contents($filePath, FILE_TEXT, $ctxt);
最簡單的就是將GF2312→UTF-8
$str = iconv("gb2312", "utf-8", $str);
不管用的
$content = mb_convert_encoding($content, "UTF-8", "auto");
******************************************丑陋的分割線來告訴大家上面的不好的：下面的才是正確的方法···哈哈···**********************************************************
define('UTF32_BIG_ENDIAN_BOM', chr(0x00) . chr(0x00) . chr(0xFE) . chr(0xFF));
define('UTF32_LITTLE_ENDIAN_BOM', chr(0xFF) . chr(0xFE) . chr(0x00) . chr(0x00));
define('UTF16_BIG_ENDIAN_BOM', chr(0xFE) . chr(0xFF));
define('UTF16_LITTLE_ENDIAN_BOM', chr(0xFF) . chr(0xFE));
define('UTF8_BOM', chr(0xEF) . chr(0xBB) . chr(0xBF));
$text = file_get_contents($newPath);
$first2 = substr($text, 0, 2);
$first3 = substr($text, 0, 3);
$first4 = substr($text, 0, 3);
$encodType = "";
if ($first3 == UTF8_BOM)
$encodType = 'UTF-8 BOM';
else if ($first4 == UTF32_BIG_ENDIAN_BOM)
$encodType = 'UTF-32BE';
else if ($first4 == UTF32_LITTLE_ENDIAN_BOM)
$encodType = 'UTF-32LE';
else if ($first2 == UTF16_BIG_ENDIAN_BOM)
$encodType = 'UTF-16BE';
else if ($first2 == UTF16_LITTLE_ENDIAN_BOM)
$encodType = 'UTF-16LE';
$content = file_get_contents($newPath);
$content = iconv($encodType, "utf-8", $content);
終極版·····
$text = file_get_contents($filePath);
//$encodType = mb_detect_encoding($text);
define('UTF32_BIG_ENDIAN_BOM', chr(0x00) . chr(0x00) . chr(0xFE) . chr(0xFF));
define('UTF32_LITTLE_ENDIAN_BOM', chr(0xFF) . chr(0xFE) . chr(0x00) . chr(0x00));
define('UTF16_BIG_ENDIAN_BOM', chr(0xFE) . chr(0xFF));
define('UTF16_LITTLE_ENDIAN_BOM', chr(0xFF) . chr(0xFE));
define('UTF8_BOM', chr(0xEF) . chr(0xBB) . chr(0xBF));
$first2 = substr($text, 0, 2);
$first3 = substr($text, 0, 3);
$first4 = substr($text, 0, 3);
$encodType = "";
if ($first3 == UTF8_BOM)
$encodType = 'UTF-8 BOM';
else if ($first4 == UTF32_BIG_ENDIAN_BOM)
$encodType = 'UTF-32BE';
else if ($first4 == UTF32_LITTLE_ENDIAN_BOM)
$encodType = 'UTF-32LE';
else if ($first2 == UTF16_BIG_ENDIAN_BOM)
$encodType = 'UTF-16BE';
else if ($first2 == UTF16_LITTLE_ENDIAN_BOM)
$encodType = 'UTF-16LE';
//下面的判斷主要還是判斷ANSI編碼的·
if ($encodType == '') {//即默認創建的txt文本-ANSI編碼的
$content = iconv("GBK", "UTF-8", $text);
} else if ($encodType == 'UTF-8 BOM') {//本來就是UTF-8不用轉換
$content = $text;
} else {//其他的格式都轉化為UTF-8就可以了
$content = iconv($encodType, "UTF-8", $text);
}
以上的終極版·可以適應中文操作windows系統建立的ANSI``````````````UTF-8`````````Unicode`````的txt文本····
更多關于PHP相關內容感興趣的讀者可查看本站專題：《PHP編碼與轉碼操作技巧匯總》、《PHP數組(Array)操作技巧大全》、《php字符串(string)用法總結》、《php常用函數與技巧總結》及《PHP錯誤與異常處理方法總結》
希望本文所述對大家PHP程序設計有所幫助。
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