xdiff_file_bdiff_size
(PECL xdiff >= 1.5.0)
xdiff_file_bdiff_size — Read a size of file created by applying a binary diff
说明
xdiff_file_bdiff_size
( string
$file
) : int
Returns a size of a result file that would be created after applying binary patch from file
file to the original file.
参数
-
file -
The path to the binary patch created by xdiff_string_bdiff() or xdiff_string_rabdiff() function.
返回值
Returns the size of file that would be created.
范例
Example #1 xdiff_file_bdiff_size() example
The following code applies reads a size of file that would be created after applying a binary diff.
<?php
$length = xdiff_string_bdiff_size('file.bdiff');
echo "Resulting file will be $length bytes long";
?>
参见
- xdiff_file_bdiff() - Make binary diff of two files
- xdiff_file_rabdiff() - Make binary diff of two files using the Rabin's polynomial fingerprinting algorithm
- xdiff_file_bpatch() - Patch a file with a binary diff