Add an example "document browser"

Author: bjori

README.md

@@ -27,10 +27,7 @@ fast and powerful.
 
 ### Examples
 
- * [Model classes](docs/examples/model.php) (referenced in other examples)
- * [Querying](docs/examples/query.php)
- * [Inserting](docs/examples/insert.php)
- * Custom [BSON deserialization](docs/examples/changing-types.php)
+ * [List documents in collections & collections in database](docs/examples/list-documents-in-collections.php.php)
 
 ## Installation
 

docs/examples/list-documents-in-collections.php

@@ -0,0 +1,60 @@
+<?php
+
+$manager = new MongoDB\Manager("mongodb://localhost:27017");
+
+
+/* List all available commands */
+
+$listcommands = new MongoDB\Command(array("listCommands" => 1));
+$retval = $manager->executeCommand("admin", $listcommands);
+$commands = $retval->getResponseDocument();
+
+foreach($commands["commands"] as $command => $info) {
+    echo $command, "\n -- ", trim(explode("\n", $info->help)[0]), "\n";
+}
+
+
+echo "\n\n\n";
+
+
+/* List all Databases */
+$listdbs = new MongoDB\Command(array("listDatabases" => 1));
+$retval = $manager->executeCommand("admin", $listdbs);
+$dbs = $retval->getResponseDocument();
+
+foreach($dbs["databases"] as $dbinfo) {
+    /* Print the Database name and its size on disk */
+    echo $dbinfo->name, " (", $dbinfo->sizeOnDisk / 1024 / 1024, "mb)\n";
+
+    /* List all the Collections within that database */
+    $listcollections = new MongoDB\Command(array("listCollections" => 1));
+    $retval = $manager->executeCommand($dbinfo->name, $listcollections);
+    $collections = $retval->getResponseDocument();
+
+    foreach($collections["collections"] as $collinfo) {
+        /* Retreieve the collection statistics for this collection */
+        $collstats = new MongoDB\Command(array("collStats" => $collinfo->name));
+        $retval = $manager->executeCommand($dbinfo->name, $collstats);
+        $stats = $retval->getResponseDocument();
+
+        /* Print the collection name and document count */
+        echo "  - ", $collinfo->name, " (" , $stats["count"], " document(s))\n";
+
+        /* Fetch all documents in this collection, but only retrieve the _id field */
+        $query = new MongoDB\Query(array(), array("projection" => array("_id" => 1)));
+        $qi = $manager->executeQuery($dbinfo->name . "." . $collinfo->name, $query);
+        foreach($qi as $document) {
+            /* Not all documents have _id field (special internal collections for example) */
+            if (isset($document["_id"])) {
+                echo "    - _id: ", $document["_id"], "\n";
+            } else {
+                echo "    - (noid)\n";
+            }
+        }
+    }
+}
+/* The total size of all the databases */
+echo "--\nTotal Size: ", $dbs["totalSize"] / 1024 / 1024, "mb\n";
+
+
+