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MongoCursor::info

(PECL mongo >=1.0.5)

MongoCursor::infoGets information about the cursor's creation and iteration

Açıklama

public MongoCursor::info ( ) : array

This can be called before or after the cursor has started iterating.

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

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.

Sürüm Bilgisi

Sürüm: Açıklama
PECL mongo 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.
PECL mongo 1.0.10 Added started_iterating field, a boolean indicating if cursor is pre- or post-query.

Örnekler

Örnek 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());

?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

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"
}

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