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phpPgAdmin is Free/Open Source software, so you're invited to contribute to it.
Many great features have been written by other people and you too can help to
make phpPgAdmin a better tool.
If you're planning to contribute source code, please read the following
The following method is preferred for new developers:
- fetch the current CVS tree over anonymous CVS:
cvs -d login
[Password: ] simply press the Enter key!
cvs -z3 -d co -d phpPgAdmin webdb
[This will create a new sub-directory named phpPgAdmin]
- Add your stuff
- Send us the file(s) you've modified or send us a patch (preferred). To
generate a patch, in your 'phpPgAdmin' directory do:
cvs diff -c > file.txt
Then, just send us 'file.txt' .
Please note that submitting code is considered a transfer of copyright to the
phpPgAdmin project.
Write access to the CVS tree is granted only to developers who have already
contributed something useful to phpPgAdmin. If you're interested in that,
please contact us.
These project developers can access the CVS tree via SSH:
export CVS_RSH=ssh
Login once with
to create required user directories on the server. Then fetch the current CVS
cvs -z3 -d co -d phpPgAdmin webdb
For further information, refer to:
When you submit code to phpPgAdmin, we do expect it to adhere to the existing
coding standards in the source. So, instead of using your personal favourite
code layout style, please format it to look like surrounding code.
In general, we want the code to be portable, standard compliant (e.g. to W3C
(X)HTML and CSS) and independent of specific configurations of PHP, the web
server, PostgreSQL or the user browser. We also try to support as many versions
as possible of these applications.
Test your code properly! For example, if you are developing a feature to create
domains, try naming your domain all of the following:
* "
* '
* \
* words with spaces
* <br><br><br>
If you are adding a new class function, be sure to use the "clean",
"fieldClean", "arrayClean" and "fieldArrayClean" functions to properly escape
odd characters in user input. Examine existing functions that do similar
things to yours to get yours right.
When writing data to the display, you should always urlencode() variables in
HREFs and htmlspecialchars() variables in forms. Rather than use action=""
attributes in HTML form elements use action="thisformname.php". This
ensures that browsers remove query strings when expanding the given
relative URL into a full URL.
When working on database classes, always schema qualifing your SQL where it is
possible with the current schema ($data->_schema) for pg73+ classes. Then don't
forget to write your method for older classes which doesn't suppport schemas.
When working with CVS, always make sure to do a 'cvs update' both before you
start; so you have the latest code to work with; and also again before you
create your patch; to minimize the chance of having conflicts.
$data - A data connection to the current or default database.
$misc - Contains miscellaneous functions. eg. printing headers & footers, etc.
$lang - Global array containing translated strings. The strings in this array
have already been converted to HTML, so you should not
htmlspecialchars() them.
$conf - Global array of configuration options.
phpPgAdmin uses the ADODB database library for all its database access. We have
also written our own wrapper around the ADODB library to make it more object
oriented (ADODB_base.pclass).
This is the general form for looping over a recordset:
$rs = $class->getResults();
if (is_object($rs) && $rs->recordCount() > 0) {
while (!$rs->EOF) {
echo $rs->fields['field'];
else echo "No results.";
If you need to add or modify language strings for a new feature, the preferred
method is:
* cd into lang/ subdirectory
* modify english.php file only!
* run "make english" (this will recode the english.php file, and place an
updated copy in lang/recode/)
If you've done it correctly, when you create your patch, it should only have
diffs of lang/english.php and lang/recode/english.php files. For more
information on how the language system works, please see the TRANSLATORS file.
All new work for phpPgAdmin is done against the CVS HEAD branch. When we feel
we are ready to do a new release, we create a branch (ex. REL_4-1). This
becomes the stable branch for all future 4.1.x releases, and any bugfixes needed
for 4.1 would go in that branch.
When we release a new revision, we tag that at release time (REL_4-1-1), so a
checkout of any tag should give you the same files that downloading the release
would have given you. As a general rule, we do not introduce new features into
existing stable branches, only bugfixes and language updates. This means if you
want to work on new features, you should be working against CVS HEAD.
Eventually we will call for another release, and that will be branched (REL_4-2)
and the cycle will start over.
On occasion we have created out-of-band branches, typically labeled as DEV_foo.
These were used for temporary, concurrent development of large features, and
should not be used by other developers. When development of those features is
completed, the branches get merged in as appropriate, so no further development
should occur on those branches.
We prefer most discussion of development to take place on the phpPgAdmin
mailing list, so that discussions can be archived and be searchable.
However, if you are into IRC, a couple of us hang out on #phppgadmin on
freenode, and occasionally discuss things there.
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