php生成文件

function rw_counterfile()

{

$fp=fopen(“counter.txt”,”r “);

if($fp==NULL) echo “文件处理出错”;

rewind($fp);//指针移到文件头

fseek($fp, 2);//指针向后移2

$point=ftell($fp);//

echo $point.”

;”;//

fputs($fp, xyxy, 2);//写入2个字符

rewind($fp);//

$num=fgets($fp,23);//读出字符串

echo “get:”.$num.”

;”;//

fclose($fp);

}

rw_counterfile();

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