(PECL xdiff >= 1.5.0)
xdiff_file_bdiff_size — Read a size of file created by applying a binary diff
$file): int
Returns a size of a result file that would be created after applying binary patch from file
file to the original file.
fileThe path to the binary patch created by xdiff_string_bdiff() or xdiff_string_rabdiff() function.
Returns the size of file that would be created.
示例 #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";
?>