xdiff Функции
PHP Manual


(PECL xdiff >= 0.2.0)

xdiff_string_patchPatch a string with an unified diff


string xdiff_string_patch ( string $str , string $patch [, int $flags [, string &$error ]] )

Patches a str string with an unified patch in patch parameter and returns the result. patch has to be an unified diff created by xdiff_file_diff()/xdiff_string_diff() function. An optional flags parameter specifies mode of operation. Any rejected parts of the patch will be stored inside error variable if it is provided.

Список параметров


The original string.


The unified patch string. It has to be created using xdiff_string_diff(), xdiff_file_diff() functions or compatible tools.


flags can be either XDIFF_PATCH_NORMAL (default mode, normal patch) or XDIFF_PATCH_REVERSE (reversed patch).

Starting from version 1.5.0, you can also use binary OR to enable XDIFF_PATCH_IGNORESPACE flag.


If provided then rejected parts are stored inside this variable.

Возвращаемые значения

Returns the patched string, or FALSE on error.


Пример #1 xdiff_string_patch() example

The following code applies changes to some article.

$diff $_SERVER['patch']; /* Let's say that someone pasted a patch to html form */

$errors '';

$new_article xdiff_string_patch($old_article$diffXDIFF_PATCH_NORMAL$errors);
if (
is_string($new_article)) {
"New article:\n";

if (
strlen($errors)) {
"Rejects: \n";


Смотрите также

xdiff Функции
PHP Manual