(PHP 4, PHP 5, PHP 7 < 7.4.0)
recode_file — Recode from file to file according to recode request
recode_file ( string $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.
request
The 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.
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https://www.php.net/manual/en/function.recode-file.php