xdiff_file_bdiff

(PECL xdiff >= 1.5.0)

xdiff_file_bdiff — Make binary diff of two files

说明

xdiff_file_bdiff ( string $old_file , string $new_file , string $dest ) : bool

Makes a binary diff of two files and stores the result in a patch file. This function works with both text and binary files. Resulting patch file can be later applied using xdiff_file_bpatch()/xdiff_string_bpatch().

参数

old_file: Path to the first file. This file acts as "old" file.
new_file: Path to the second file. This file acts as "new" file.
dest: Path of the resulting patch file. Resulting file contains differences between "old" and "new" files. It is in binary format and is human-unreadable.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

范例

Example #1 xdiff_file_bdiff() example

The following code makes binary diff of two archives.

 <?php
$old_version = 'my_script_1.0.tgz';
$new_version = 'my_script_1.1.tgz';

xdiff_file_bdiff($old_version, $new_version, 'my_script.bdiff');
?>

注释

Note:

Both files will be loaded into memory so ensure that your memory_limit is set high enough.

参见

xdiff_file_bpatch() - Patch a file with a binary diff

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