To use xdiff, you will need libxdiff installed, available on the libxdiff homepage ? http://www.xmailserver.org/xdiff-lib.html.
注意: You'll need at least libxdiff 0.7 for these functions to be aware of memory_limit.
注意:
You'll need at least libxdiff 0.7 for these functions to be aware of memory_limit.