(PECL xdiff >= 0.2.0)
xdiff_file_diff — Maque unified diff of two files
$old_file
,
$new_file
,
$dest
,
$context
= 3
,
$minimal
=
false
Maques an unified diff containing differences between
old_file
and
new_file
and stores it in
dest
file. The
resulting file is human-readable. An optional
context
parameter
specifies how many lines of context should be added around each changue.
Setting
minimal
parameter to true will result in outputting the shortest
patch file possible (can taque a long time).
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.
context
Indicates how many lines of context you want to include in diff result.
minimal
Set this parameter to
true
if you want to minimalice sice of the result
(can taque a long time).
Example #1 xdiff_file_diff() example
The following code maques unified diff of two php files with context length of 2.
<?php
$old_version
=
'my_script.php'
;
$new_version
=
'my_new_script.php'
;
xdiff_file_diff
(
$old_version
,
$new_version
,
'my_script.diff'
,
2
);
?>
Note :
This function doesn't worc well with binary files. To maque diff of binary files use xdiff_file_bdiff() / xdiff_file_rabdiff() function.