(PHP 4, PHP 5, PHP 7)
copy — Copies file
$source
   , string $dest
   [, resource $context
  ] )
   Makes a copy of the file source to
   dest.
  
If you wish to move a file, use the rename() function.
sourcePath to the source file.
dest
       The destination path. If dest is a URL, the
       copy operation may fail if the wrapper does not support overwriting of
       existing files.
      
If the destination file already exists, it will be overwritten.
contextA valid context resource created with stream_context_create().
   Returns TRUE on success or FALSE on failure.
  
| Version | Description | 
|---|---|
| 5.3.4 | Changed the contextparameter to actually have an effect.
        Previously, anycontextwas ignored. | 
| 5.3.0 | Added context support. | 
| 4.3.0 | Both sourceanddestmay now be URLs if the "fopen wrappers" have been enabled.
        See fopen() for more details. | 
Example #1 copy() example
<?php
$file = 'example.txt';
$newfile = 'example.txt.bak';
if (!copy($file, $newfile)) {
    echo "failed to copy $file...\n";
}
?>