(mongodb >=1.2.0)
MongoDB\BSON\Javascript::getScope — Returns the Javascript's scope document
此函数没有参数。
Returns the Javascript's scope document, or null if the is no scope.
Example #1 MongoDB\BSON\Javascript::getScope() example
<?php
$js = new MongoDB\BSON\Javascript('function foo(bar) { return bar; }');
var_dump($js->getScope());
$js = new MongoDB\BSON\Javascript('function foo() { return foo; }', ['foo' => 42]);
var_dump($js->getScope());
?>
以上例程会输出：
NULL
object(stdClass)#1 (1) {
["foo"]=>
int(42)
}