PHP5中文手册·Patch a string with an unified diff -- 追寻梦想＞编程乐园＞PHP 编程

说明

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

Patches a string with a unified patch string.

参数

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.

返回值

Returns the patched string, or FALSE on error.

范例

Example#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;
}

?>

参见

xdiff_file_patch()


	PHP5中文手册 xdiff XML xdiff PHP Manual xdiff_string_patch (PECL xdiff:0.2-1.4) xdiff_string_patch — Patch a string with an unified diff 说明 string xdiff_string_patch ( string `$str` , string `$patch` [, int `$flags` [, string `&$error` ]] ) Patches a string with a unified `patch` string. 参数 `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. 返回值 Returns the patched string, or `FALSE` on error. 范例 Example#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; } ?>` 参见 xdiff_file_patch() xdiff XML xdiff PHP Manual