08-28-2008
Also check out the cmp command.
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everythg
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LEARN ABOUT PHP
xdiff_file_bdiff
XDIFF_FILE_BDIFF(3) 1 XDIFF_FILE_BDIFF(3)
xdiff_file_bdiff - Make binary diff of two files
SYNOPSIS
bool xdiff_file_bdiff (string $old_file, string $new_file, string $dest)
DESCRIPTION
Makes a binary diff of two files and stores the result in a patch file. This function works with both text and binary files. Resulting
patch file can be later applied using xdiff_file_bpatch(3)/xdiff_string_bpatch(3).
PARAMETERS
o $old_file
- Path to the first file. This file acts as "old" file.
o $new_file
- Path to the second file. This file acts as "new" file.
o $dest
- Path of the resulting patch file. Resulting file contains 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_bdiff(3) example
The following code makes binary diff of two archives.
<?php
$old_version = 'my_script_1.0.tgz';
$new_version = 'my_script_1.1.tgz';
xdiff_file_bdiff($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.
SEE ALSO
xdiff_file_bpatch(3).
PHP Documentation Group XDIFF_FILE_BDIFF(3)