(PHP 4, PHP 5, PHP 7 < 7.4.0)
recode_file — Recode from file to file according to recode request
$request, resource $input, resource $output): bool
   Recode the file referenced by file handle
   input into the file referenced by file
   handle output according to the recode
   request.
  
requestThe desired recode request type
input
       A local file handle resource for 
       the input
      
output
       A local file handle resource for 
       the output
      
   Returns false, if unable to comply, true otherwise.
  
Example #1 Basic recode_file() example
<?php
$input = fopen('input.txt', 'r');
$output = fopen('output.txt', 'w');
recode_file("us..flat", $input, $output);
?>
This function does not currently process file handles referencing remote files (URLs). Both file handles must refer to local files.