xdiff_file_patch

(PECL xdiff >= 0.2.0)

xdiff_file_patch — Patch a file with an unified diff

说明

xdiff_file_patch(
    string $file,
    string $patch,
    string $dest,
    int $flags = DIFF_PATCH_NORMAL
): mixed

Patches a file with a patch and stores the result in a file. patch has to be an unified diff created by xdiff_file_diff()/xdiff_string_diff() function. An optional flags parameter specifies mode of operation.

参数

file

The original file.

patch

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

dest

Path of the resulting file.

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.

返回值

Returns false if an internal error happened, string with rejected chunks if patch couldn't be applied or true if patch has been successfully applied.

范例

示例 #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;
}

?>

示例 #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;
}

?>

参见

xdiff_file_diff() - Make unified diff of two files

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官方地址：https://www.php.net/manual/en/function.xdiff-file-patch.php

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xdiff_file_patch

说明

参数

返回值

范例

参见

User Contributed Notes