xdiff_string_bdiff_size
(PECL xdiff >= 1.5.0)
xdiff_string_bdiff_size — Read a size of file created by applying a binary diff
说明
xdiff_string_bdiff_size(string
$patch): int
Returns a size of a result file that would be created after applying binary patch to
the original file.
返回值
Returns the size of file that would be created.
范例
示例 #1 xdiff_string_bdiff_size() example
The following code applies reads a size of file that would be created after applying a binary diff.
<?php
$binary_patch = file_get_contents('file.bdiff');
$length = xdiff_string_bdiff_size($binary_patch);
echo "Resulting file will be $length bytes long";
?>
参见
- 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
add a note
User Contributed Notes
There are no user contributed notes for this page.
备份地址：http://www.lvesu.com/blog/php/function.xdiff-string-bdiff-size.php