xdiff_file_diff_binary
(PECL)
xdiff_file_diff_binary -- Make binary diff of two files
说明
bool
xdiff_file_diff_binary ( string file1, string file2, string dest )
Makes a binary diff of two files and stores the result in a file.
This function works with both text and binary files.
参数
file1
file2
dest
Path of the resulting file. Resulting file is in binary format.
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
范例
例 1. 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');
?>
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注释
注意:
Both files will be loaded into memory so ensure that your memory_limit is
set high enough.