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# xdiff_string_patch

(no version information, might be only in CVS)

xdiff_string_patch -- Patch a string with an unified diff

## Description

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

xdiff_string_patch() patches string str with unified patch in string patch.

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

If error is passed then rejected parts are stored inside this variable.

範例 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; } ?>`

Returns a patched string.

See also xdiff_file_patch().

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