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xdiff_string_patch
(PECL xdiff:0.2-1.4)
xdiff_string_patch — Patch a string with an unified diff
Описание
string xdiff_string_patch
( string $str
, string $patch
[, int $flags
[, string &$error
]] )
Patches a string with a unified patch string.
Список параметров
- str
-
The original string.
- patch
-
The unified patch string.
- flags
-
flags can be either XDIFF_PATCH_NORMAL (default mode, normal patch) or XDIFF_PATCH_REVERSE (reversed patch).
- error
-
If provided then rejected parts are stored inside this variable.
Возвращаемые значения
Returns the patched string, or FALSE on error.
Примеры
Пример #1 xdiff_string_patch() example
The following code applies changes to some article.
<?php
$old_article = file_get_contents('./old_article.txt');
$diff = $_SERVER['patch']; /* Let's say that someone pasted a patch to html form */
$errors = '';
$new_article = xdiff_string_patch($old_article, $diff, XDIFF_PATCH_NORMAL, $errors);
if (is_string($new_article)) {
echo "New article:\n";
echo $new_article;
}
if (strlen($errors)) {
echo "Rejects: \n";
echo $errors;
}
?>
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