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# xdiff_file_patch

(PECL)

xdiff_file_patch -- Patch a file with an unified diff

## Descrição

mixed xdiff_file_patch ( string file, string patch, string dest [, int flags] )

Patches a `file` with a unified `patch` and stores the result in a file.

## Parâmetros

`file`

  The original file.

`patch`

  The patch file.

`dest`

  Path of the resulting file.

`flags`

  Can be either `XDIFF_PATCH_NORMAL` (default mode, normal patch) or `XDIFF_PATCH_REVERSE` (reversed patch).

## Valores de retornado

Returns `FALSE` if an internal error happened, string with rejected chunks of patch or `TRUE` if patch has been successfully applied.

## Exemplos

Exemplo 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; } ?>`

Exemplo 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; } ?>`

## Veja também

xdiff_string_patch()

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