Функция PHP xdiff_file_diff_binary

bool xdiff_file_diff_binary ( string file1, string file2, string dest )

xdiff_file_diff_binary makes binary diff of files file1 and file2 and stores result in file dest. This function works with both text and binary files. Resulting file is in binary format.

Замечание: Both files will be loaded into memory so ensure that your memory_limit is set high enough.

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

xdiff_file_diff_binary 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_diff_binary($old_version, $new_version, 'my_script.bdiff');
?>

See also xdiff_string_diff_binary.