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输入banner图图片脚本导航/分类

php图片上传时用微秒创建文件名

  2. $m = microtime();
  3. $mtime = explode(' ' ,$m);
  4. $mtime1 = $mtime[1];
  5. $mtime2 = substr($mtime[0], 2, 6);
  6. $pic_time = "{$mtime1}{$mtime2}";