xdiff_file_diff() makes unified diff of files file1 and file2 and stores result in file dest. context indicated how many lines of context you want to include in diff result. Set minimal to TRUE if you want to minimalize size of diff (can take a long time). Resulting file is human-readable.
Megjegyzés: This function doesn't work well with binary files. To make diff of binary files use xdiff_file_diff_binary().
Siker esetén TRUE értékkel tér vissza, ellenkező esetben FALSE értéket ad.
See also xdiff_string_diff().