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This repository has been archived by the owner on Feb 1, 2022. It is now read-only.


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End of Life Notice

The legacy MongoDB PHP driver (i.e. ext-mongo) is now officially end-of-life (EOL). No further development, bug fixes, enhancements, documentation changes or maintenance will be provided by this project and pull requests will no longer be accepted.

Users are encouraged to migrate to mongodb/mongo-php-driver (i.e. ext-mongodb).

For historical reference, the documentation for this project has been archived in the docs/ folder and may be viewed at:


To build and install the driver:

sudo make install

Then, add the following to your php.ini file:

Enabling enterprise features

To connect to MongoDB Enterprise using SASL (GSSAPI) or LDAP (PLAIN) you need to build the driver against cyrus-sasl2 (external library). This is done by passing --with-mongo-sasl to ./configure, optionally passing in the directory to where cyrus-sasl2 was installed:

./configure --with-mongo-sasl=/usr/local
sudo make install

Installing on Windows

Windows builds are available through

Builds for older driver versions may be found through

Each driver release includes various builds to support specific versions of PHP and Windows. Select the correct DLL file for your environment, and add the following to your php.ini file (VERSION will vary by environment):


If the DLL is not located within the directory specified by the extension_dir INI setting, you may need to specify its full path.


This extension's documentation was previously hosted on but has since been removed. The final version of the documentation is now published in the docs/ folder of this repository and available via GitHub pages:

How To Ask For Help

When asking for support, or while providing feedback in the form of bugs or feature requestes, please include the following relevant information:

  • Detailed steps on how to reproduce the problem, including a script that reproduces your problem, if possible.
  • The exact PHP version used. You can find this by running php -v on the command line, or by checking the output of phpinfo(); in a script requested through a web server.
  • The exact version of the MongoDB driver for PHP. You can find this by running php --ri mongo | grep Version on the command line, or by running a script containing <?php echo phpversion("mongo"); ?>.
  • The operating system and version (e.g. Windows 7, OSX 10.8, ...).
  • How you installed the driver, either via your distribution's package management, with "brew", with an *AMP installation package, or through a manual source compile and install.
  • With connection and replica set selection issues, please also provide a full debug log. See further down on how to make one.

Support / Feedback

For issues with, questions about, or feedback for the PHP driver, please look into our support channels. Please do not email any of the PHP driver developers directly with issues or questions—you're more likely to get an answer on the mongodb-user list on Google Groups.

Bugs / Feature Requests

Think you have found a bug? Want to see a new feature in the driver? Please open a case in our issue management tool, JIRA:

Bug reports in JIRA for all driver projects, as well as for the MongoDB server project, are public. Please do not add private information to bug reports.

Security Vulnerabilities

If you’ve identified a security vulnerability in a driver or any other MongoDB project, please report it according to the instructions here.


The tests are not available as part of the PECL package, but they are available on Github.

See for how to run and create new tests.

Full debug log

You can make a full debug log by using the following code:

 * This script will catch all internal driver logging for MongoDB and log them
 * to a file /tmp/MONGO-PHP-LOG.<unix-timestamp>. This log will give the
 * driver developers more or less all the information they'll need to debug
 * this issue
function module2string($module)
    switch ($module) {
        case MongoLog::RS: return "REPLSET";
        case MongoLog::CON: return "CON";
        case MongoLog::IO: return "IO";
        case MongoLog::SERVER: return "SERVER";
        case MongoLog::PARSE: return "PARSE";
        default: return $module;
function level2string($level)
    switch ($level) {
        case MongoLog::WARNING: return "WARN";
        case MongoLog::INFO: return "INFO";
        case MongoLog::FINE: return "FINE";
        default: return $level;
function logMongo($module, $level, $message, $save = false) {
    static $log = "";
    $log .= sprintf("%s | %s (%s): %s\n", date('Y-m-d H:i:s',time()), module2string($module), level2string($level), $message);
    if ($save) {
        file_put_contents("/tmp/MONGO-PHP-LOG." . time(), $log);
        $log = "";
function saveMongoLogException($ex) {
    if ($ex instanceof MongoException) {
        $msg = sprintf("Uncaught exception: %s, %s\n",  get_class($ex), $ex->getMessage());
        logMongo(get_class($ex), "ERROR", $ex->getMessage(), true);
    throw $ex;

function saveMongoLog() {
    logMongo("EXIT", "EXIT", "EXIT", true);

/* If an global exception handler is used, or a default exception handler is
 * already registered, please comment out this line and put into your catch
 * block: saveMongoLogException($exception); */


Jon Moss

  • Came up with the idea and implemented MongoCursor implementing Iterator

Pierre-Alain Joye

  • Helped build the Windows extension and has provided the VC6 builds

Cesar Rodas

  • Created the MongoCursor::info method
  • Implemented GridFS read streaming

William Volkman

  • Made connection code check & handle error status

Derick Rethans

  • Implemented MongoInt32, MongoInt64 and related php.ini options.

Taneli Leppä

  • Provided a patch for PHP-706 to swap out select() for poll().