xdiff_string_bdiff_size

(PECL xdiff >= 0.2.0)

xdiff_string_bdiff_size — Read a size of file created by applying a binary diff

Описание

Returns a size of a result file that would be created after applying binary patch to the original file.

Список параметров

patch -

The binary patch created by xdiff_string_bdiff() or xdiff_string_rabdiff() function.

Возвращаемые значения

Returns the size of file that would be created.

Примеры

Пример #1 xdiff_string_bdiff_size() example

The following code applies reads a size of file that would be created after applying a binary diff.

$binary_patch = file_get_contents('file.bdiff');
$length = xdiff_string_bdiff_size($binary_patch);
echo "Resulting file will be $length bytes long";

Смотрите также

• xdiff_string_bdiff() - Make binary diff of two strings
• xdiff_string_rabdiff() - Make binary diff of two strings using the Rabin's polynomial fingerprinting algorithm
• xdiff_string_bpatch() - Patch a string with a binary diff