(mongodb >=1.0.0)
MongoDB\Driver\Command::__construct — Create a new Command
documentThe complete command to construct
Example #1 MongoDB\Driver\Command::__construct() example
<?php
$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
$command = new MongoDB\Driver\Command(array("buildinfo" => 1));
try {
$cursor = $manager->executeCommand("admin", $command);
$response = $cursor->toArray()[0];
} catch(MongoDB\Driver\Exception $e) {
echo $e->getMessage(), "\n";
exit;
}
var_dump($response);
?>
以上例程的输出类似于：
array(13) {
["version"]=>
string(14) "2.8.0-rc2-pre-"
["gitVersion"]=>
string(62) "b743d7158f7642f4da6b7eac8320374b3b88dc2e modules: subscription"
["OpenSSLVersion"]=>
string(25) "OpenSSL 1.0.1f 6 Jan 2014"
["sysInfo"]=>
string(104) "Linux infant 3.16.0-24-generic #32-Ubuntu SMP Tue Oct 28 13:07:32 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49"
["loaderFlags"]=>
string(91) "-fPIC -pthread -Wl,-z,now -rdynamic -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -Wl,-E"
["compilerFlags"]=>
string(301) "-Wnon-virtual-dtor -Woverloaded-virtual -std=c++11 -fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas -Winvalid-pch -pipe -Werror -O3 -Wno-unused-local-typedefs -Wno-unused-function -Wno-deprecated-declarations -Wno-unused-but-set-variable -fno-builtin-memcmp -std=c99"
["allocator"]=>
string(8) "tcmalloc"
["versionArray"]=>
array(4) {
[0]=>
int(2)
[1]=>
int(8)
[2]=>
int(0)
[3]=>
int(-8)
}
["javascriptEngine"]=>
string(2) "V8"
["bits"]=>
int(64)
["debug"]=>
bool(false)
["maxBsonObjectSize"]=>
int(16777216)
["ok"]=>
float(1)
}
Example #2 MongoDB\Driver\Command::__construct() example
Commands can accept options as well, as part of the normal structure that you create to send to the server. For example, the maxTimeMS option can be passed with most commands to restrict the amount of time a specific command can run for on the server.
<?php
$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");
$command = new MongoDB\Driver\Command(
array(
"distinct" => "beer",
"key" => "beer_name",
"maxTimeMS" => 10,
)
);
try {
$cursor = $manager->executeCommand("beerdb", $command);
$response = $cursor->toArray()[0];
} catch(MongoDB\Driver\Exception\Exception $e) {
echo $e->getMessage(), "\n";
exit;
}
var_dump($response);
?>
以上例程的输出类似于：