xdiff_file_diff_binary
(PECL xdiff:0.2-1.4)
xdiff_file_diff_binary — Make binary diff of two files
说明
bool xdiff_file_diff_binary
( string $file1
, string $file2
, string $dest
)
Makes a binary diff of two files and stores the result in a file. This function works with both text and binary files.
参数
- file1
-
- file2
-
- dest
-
Path of the resulting file. Resulting file is in binary format.
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
范例
Example#1 xdiff_file_diff_binary() example
The following code makes binary diff of two archives.
<?php
$old_version = 'my_script_1.0.tgz';
$new_version = 'my_script_1.1.tgz';
xdiff_file_diff_binary($old_version, $new_version, 'my_script.bdiff');
?>
注释
Note: Both files will be loaded into memory so ensure that your memory_limit is set high enough.
