(PECL mongo >=1.3.0)
MongoClient::listDBs — Lists all of the databases available.
public array MongoClient::listDBs
This function has no parameters.
Returns an associative array containing three fields. The first field is
databases, which in turn contains an array. Each element
of the array is an associative array corresponding to a database, giving th
database's name, size, and if it's empty. The other two fields are
totalSize (in bytes) and ok, which is 1
if this method ran successfully.
Example #1 MongoClient::listDBs() example
Example demonstrating how to use listDBs and the returned data structure.
$mongo = new MongoClient();
$dbs = $mongo->listDBs();
The above example will output
something similar to:
[databases] => Array
 => Array
[name] => doctrine
[sizeOnDisk] => 218103808
[totalSize] => 218103808
[ok] => 1