//二进制生成
StrToBin("我叫无忧草"); //生成二进制
//生成文件
$file2 = '22.txt'; 
$fp = fopen($file2, 'w');
fwrite($fp, $content);
fclose($fp);
$size2 = filesize($file2);
 //php读取二进制文件
$fileName="22.txt";
$handle=fopen($fileName,"r");//使用打开模式为r
$content=fread($handle,filesize($fileName));//读为二进制
echo BinToStr($content);
?>
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