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18 years ago
- rename extension of files 

changeext($directory, $ext1, $ext2, $verbose)

i wrote this function to rename the extention of some files in a folder and sub-folders inside it ..

parameter 1 :  the directory name 
parameter 2 :  the first extention wich we want to replace
parameter 3 :  the new extention of files 

for a simple usage call the function : 
changeext('dir', 'html', 'php',  'false');

to change evry file name with extention html  into php  in the directory  dir

<?php

function changeext($directory, $ext1, $ext2, $verbose = false) {
  $num = 0;
  if($curdir = opendir($directory)) {
   while($file = readdir($curdir)) {
     if($file != '.' && $file != '..') {

       $srcfile = $directory . '/' . $file;
       $string  = "$file";
       $str     = strlen($ext1);
       $str++;
       $newfile = substr($string, 0, -$str);
       $newfile = $newfile.'.'.$ext2;
       $dstfile = $directory . '/' . $newfile;

       if (eregi("\.$ext1",$file)) { # Look at only files with a pre-defined extension
       $fileHand = fopen($srcfile, 'r');
       fclose($fileHand);
       rename($srcfile, $dstfile );
       }

       if(is_dir($srcfile)) {
         $num += changeext($srcfile, $ext1, $ext2, $verbose);
       }
     }
   }
   closedir($curdir);
  }
  return $num;
}

changeext('dir', 'html', 'php',  'false');

?>

to remove the extention of files , just leave the parameter $ext2 blank ''
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