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xdiff_file_patch

(PECL xdiff:0.2-1.4)

xdiff_file_patch — Patch a file with an unified diff

说明

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.

参数

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).

返回值

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

范例

Example#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;
}

?>

Example#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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