xdiff_string_bdiff_size
PHP function
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(PECL xdiff >= 1.5.0)
Read a size of file created by applying a binary diff
Description
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.
Parameters
patchThe binary patch created by
xdiff_string_bdiff()orxdiff_string_rabdiff()function.
Return Values
Returns the size of file that would be created.
Examples
xdiff_string_bdiff_size() example
The following code applies reads a size of file that would be created after applying a binary diff.
php
<?php
$binary_patch = file_get_contents('file.bdiff');
$length = xdiff_string_bdiff_size($binary_patch);
echo "Resulting file will be $length bytes long";
?>