ConFoo 2025

xdiff_file_bdiff_size

(PECL xdiff >= 1.5.0)

xdiff_file_bdiff_sizeRead 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.

示例

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";
?>

参见

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