xdiff_file_rabdiff
(No version information available, might be only in CVS)
xdiff_file_rabdiff — Make binary diff of two files using the Rabin's polynomial fingerprinting algorithm
Description
bool xdiff_file_rabdiff
( string $old_file
, string $new_file
, string $dest
)
For more details about differences between algorithm used please check » libxdiff
website.
Parameters
-
old_file
-
Path to the first file. This file acts as "old" file.
-
new_file
-
Path to the second file. This file acts as "new" file.
-
dest
-
Path of the resulting patch file. Resulting file containts differences
between "old" and "new" files. It is in binary format and is human-unreadable.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 xdiff_file_rabdiff() example
The following code makes binary diff of two archives.
<?php
$old_version = 'my_script_1.0.tgz';
$new_version = 'my_script_1.1.tgz';
xdiff_file_rabdiff($old_version, $new_version, 'my_script.bdiff');
?>
Notes
Note:
Both files will be loaded into memory so ensure that your memory_limit is
set high enough.