Make binary diff of two files - Справочник: PHP5.4

Описание

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

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().

Список параметров

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.

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Примеры

Пример #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');
?>

Примечания

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

Смотрите также

xdiff_file_bpatch() - Patch a file with a binary diff