xdiff_string_bdiff_size
(PECL xdiff >= 1.5.0)
xdiff_string_bdiff_size — 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
-
patch -
The binary patch created by xdiff_string_bdiff() or xdiff_string_rabdiff() function.
Return Values
Returns the size of file that would be created.
Examples
Example #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";
?> See Also
- 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
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https://www.php.net/manual/en/function.xdiff-string-bdiff-size.php