MongoCursor::info
(PECL mongo >=1.0.5)
MongoCursor::info — Gets information about the cursor's creation and iteration
Опис
public array MongoCursor::info
( void
)
This can be called before or after the cursor has started iterating.
Параметри
В цієї функції немає параметрів.
Значення, що повертаються
Returns the namespace, batch size, limit, skip, flags, query, and projected fields for this cursor. If the cursor has started iterating, additional information about iteration and the connection will be included.
Журнал Змін
| Версія | Опис |
|---|---|
| 1.1.0 | Added a number of other fields, including id (the cursor id), at (the driver's counter of which document is current), numReturned (the number returned by the server in the current batch), and server (which server the query was sent to—useful in conjunction with Read Preferences. |
| 1.0.10 | Added started_iterating field, a boolean indicating if cursor is pre- or post-query. |
Приклади
Приклад #1 MongoCursor::info() example
<?php
$m = new MongoClient();
$cursor = $m->test->foo->find(array("x" => 4), array("y" => 0));
echo "Before iteration started:\n";
var_dump($cursor->info());
echo "\nAfter iteration started:\n";
$cursor->rewind();
var_dump($cursor->info());
?>
Наведений вище приклад виведе щось подібне до:
Before iteration started:
array(8) {
["ns"]=>
string(8) "test.foo"
["limit"]=>
int(0)
["batchSize"]=>
int(0)
["skip"]=>
int(0)
["flags"]=>
int(0)
["query"]=>
array(1) {
["x"]=>
int(4)
}
["fields"]=>
array(1) {
["y"]=>
int(0)
}
["started_iterating"]=>
bool(false)
}
After iteration started:
array(15) {
["ns"]=>
string(8) "test.foo"
["limit"]=>
int(0)
["batchSize"]=>
int(0)
["skip"]=>
int(0)
["flags"]=>
int(0)
["query"]=>
array(1) {
["x"]=>
int(4)
}
["fields"]=>
array(1) {
["y"]=>
int(0)
}
["started_iterating"]=>
bool(true)
["id"]=>
int(0)
["at"]=>
int(0)
["numReturned"]=>
int(1)
["server"]=>
string(25) "localhost:27017;-;.;26450"
["host"]=>
string(9) "localhost"
["port"]=>
int(27017)
["connection_type_desc"]=>
string(10) "STANDALONE"
}
Прогляньте Також
- MongoCursorInterface::info() - Gets information about the cursor's creation and iteration
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