Description
mixed 
xdiff_file_patch ( string file, string patch, string dest [, int flags] )
     xdiff_file_patch() patches file
     file with unified patch in file 
     patch and stores result in file
     dest.
    
     flags can be either
     XDIFF_PATCH_NORMAL (default mode, normal patch) or 
     XDIFF_PATCH_REVERSE (reversed patch).
    
     Returns FALSE if an internal error happened, string with rejected 
     chunks of patch or TRUE if patch has been successfully applied.
    
例子 1. xdiff_file_patch() example 
      The following code applies unified diff to a file.
      
<?php $old_version = 'my_script-1.0.php'; $patch = 'my_script.patch';
  $errors = xdiff_file_patch($old_version, $patch, 'my_script-1.1.php'); if (is_string($errors)) {    echo "Rejects:\n";    echo $errors; }
  ?>
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  | 
例子 2. Patch reversing example 
      The following code reverses a patch.
      
<?php $new_version = 'my_script-1.1.php'; $patch = 'my_script.patch';
  $errors = xdiff_file_patch($new_version, $patch, 'my_script-1.0.php', XDIFF_PATCH_REVERSE); if (is_string($errors)) {    echo "Rejects:\n";    echo $errors; }
  ?>
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  | 
     See also xdiff_string_patch().