xdiff_file_merge3

(PECL xdiff >= 0.2.0)

xdiff_file_merge3 — Merge 3 files into one

Description

xdiff_file_merge3(
    string $old_file,
    string $new_file1,
    string $new_file2,
    string $dest
): mixed

Merges three files into one and stores the result in a file dest. The old_file is an original version while new_file1 and new_file2 are modified versions of an original.

Parameters

old_file

Path to the first file. It acts as "old" file.

new_file1

Path to the second file. It acts as modified version of old_file.

new_file2

Path to the third file. It acts as modified version of old_file.

dest

Path of the resulting file, containing merged changed from both new_file1 and new_file2.

Return Values

Returns true if merge was successful, string with rejected chunks if it was not or false if an internal error happened.

Examples

Example #1 xdiff_file_merge3() example

The following code merges three files into one.

<?php
$old_version = 'original_script.php';
$fix1 = 'script_with_fix1.php';
$fix2 = 'script_with_fix2.php';

$errors = xdiff_file_merge3($old_version, $fix1, $fix2, 'fixed_script.php');
if (is_string($errors)) {
echo "Rejects:\n";
echo $errors;
}
?>

See Also