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Submitting Patch for PHP
========================
This document describes how to submit a patch for PHP. Since you are
reading this document, you are willing to submit a patch for PHP.
Please keep reading! Submitting a patch for PHP is easy. The hard
part is making it acceptable for inclusion into our repository. :-)
How to create patch?
--------------------
We are working with CVS. You need to get CVS source to create a patch
that we accept. Visit http://www.php.net/anoncvs.php to get CVS
source. You can check out older versions, but make sure you get
the default branch (i.e. Do not use -r option when you check out the
CVS source)
Read CODING_STANDARDS file before you start working.
Now you are ready to create a patch. Modify source to fix a bug in PHP or
add a new feature to PHP. After you finished editing, please test your
patch. Read README.TESTING for testing.
After you finish testing your patch, take diff file using
"cvs diff > your.patch" command.
Read README.TESTING for submitting a test script for your patch. This is
not strictly required, but it is preferred to submit a test script along
with your patch. Making new test script is very easy. It also helps us
to understand what you have been fixed or added to PHP.
Tips for creating patch
-----------------------
If you would like to fix multiple bugs. It is easier for us if you
could create 1 patch for 1 bug, but this is not strictly required.
Note though that you might get little response, if your patch is
too hard to review.
If you would like change/add many lines, it is better to ask module
maintainer and/or php-dev@lists.php.net, or pear-dev@lists.php.net if
you are patching PEAR. Official module maintainers can be found in
EXTENSIONS file in PHP source.
If you are new to CVS (Concurrent Versions System), visit
http://cvshome.org/ for details.
Recommended CVS client settings for creating patch file
------------------------------------------------------
Recommended ~/.cvsrc file setting is:
------
cvs -z3
update -d -P
checkout -P
diff -u
------
diff -u means:
-u Use the unified output format.
With this CVS setting, you don't have to worry about adding/deleting
newlines and spaces.
Check list for submitting patch
-------------------------------
- Did you run "make test" to check if your patch didn't break
other features?
- Did you compile PHP with --enable-debug and check php/webserver
error logs when you test your patch?
- Did you build PHP for multi-threaded web servers. (Optional)
- Did you create test script for "make test"? (Recommended)
- Did you check your patch is unified format and it does not
contain white space changes? (If you are not using recommended
cvs setting)
- Did you update CVS source before you take final patch?
- Did you read the patch again?
Where to send your patch?
-------------------------
If you are patching C source, send the patch to php-dev@lists.php.net.
If you are patching a module, you should also send the patch to the
maintainer. Official module maintainers are listed in EXTENSION file
in source.
If you are patching PEAR, send the patch to pear-dev@lists.php.net.
Please add the prefix "[PATCH]" to your email subject and make sure
to include the patch as a MIME attachment even if it is short.
Test scripts should be included in the same email.
Explain what has been fixed/added/changed by your patch.
Finally, add the bug Id(s) which can be closed by your patch, if any.
What happens after you submit your patch
--------------------------------------
If your patch is easy to review and has obviously no side-effects,
it might take up to a few hours until someone commits it.
Because this is a volunteer-driven effort, more complex patches will
require more patience on your side.
If you did not receive any feedback in a few days, please consider
resubmitting the description of your patch, along-side with
these questions:
- Is my patch too hard to review? Because of which factors?
- Should I split it up in multiple parts?
- Are there any unwanted whitespace changes?
What happens when your patch is applied?
----------------------------------------
Your name will be included together with your email address in the CVS
commit log. If your patch affects end-users, a brief description
and your name might be added to the NEWS file.
Thank you for submitting patch for PHP!
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