Modify file names in batches PHP method to modify file names in batches

The example in this article describes the method of batch modifying file names in PHP. Share it with everyone for your reference, the details are as follows:

<&#63;php
session_start();
set_time_limit(0);
//function allfile($dir)
// {
//  $files=array();
//  if(is_file($dir))
//   {
//     return $dir;
//  }
//   $handle = opendir($dir);
//   if($handle) {
//     while(false !== ($file = readdir($handle))) {
//      if ($file != '.' && $file != '..') {
//         $filename = $dir . "/" . $file;
//         if(is_file($filename)) {
//           $files[] = $filename;
//        }else {
//
//          $files = array_merge($files, allfile($filename));
//         }
//       }
//     }  // end while
//     closedir($handle);
//   }
//  return $files;
//
// }
// $dir="./*";
//print_r(allfile($dir));
$path = '.';
function get_filetree($path){
 $tree = array();
 foreach(glob($path.'/*') as $single){
  if(is_dir($single)){
   $tree = array_merge($tree,get_filetree($single));
  }
  else{
   $tree[] = $single;
  }
 }
 return $tree;
}
$dir_arr=get_filetree($path);
$dir_arr_count=count($dir_arr);
//echo $dir_arr_count."<br />";
for($i=0;$i<$dir_arr_count;$i++){
  $file_name= $dir_arr[$i];
  echo $file_name."<br />";
    $file=basename($file_name);
    //echo $file."<br />";
    $dir_arr_0_=explode($file,$file_name);
    $dir_arr_0_0=$dir_arr_0_[0];
    $file_arr=explode("[1]",$file);
    ////rename
    $file_new_name=$file_arr[0].$file_arr[1];
    rename($file_name,$dir_arr_0_0.$file_new_name);
  }
?>

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The above introduces the method of batch modifying file names in PHP, including batch modification of file names. I hope it will be helpful to friends who are interested in PHP tutorials.