xdiff_file_diff
(PECL xdiff:0.2-1.4)
xdiff_file_diff — Make unified diff of two files
说明
bool xdiff_file_diff
( string $file1
, string $file2
, string $dest
[, int $context
[, bool $minimal
]] )
Makes a diff of two files and stores the result in a file.
参数
- file1
-
- file2
-
- dest
-
Path of the resulting file.
- context
-
Indicates how many lines of context you want to include in diff result.
- minimal
-
Set this parameter to TRUE if you want to minimalize size of diff (can take a long time). Resulting file is human-readable.
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
范例
Example#1 xdiff_file_diff() example
The following code makes unified diff of two php files.
<?php
$old_version = 'my_script.php';
$new_version = 'my_new_script.php';
xdiff_file_diff($old_version, $new_version, 'my_script.diff', 2);
?>
注释
Note: This function doesn't work well with binary files. To make diff of binary files use xdiff_file_diff_binary().