xdiff_file_diff
Make unified diff of two files
Description
bool xdiff_file_diff(
string $old_file,
string $new_file,
string $dest,
int $context = 3,
bool $minimal = false
)
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.
-
context
-
Indicates how many lines of context you want to include in diff
result.
-
minimal
-
Set this parameter to true if you want to minimalize size of the result
(can take a long time).
Return Values
Returns true on success or false on failure.
Examples
Example #1 xdiff_file_diff example
The following code makes 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);
?>
Notes
Note:
This function doesn't work well with binary files. To make diff of binary
files use xdiff_file_bdiff/xdiff_file_rabdiff function.