(PECL mongo >=1.5.0)
MongoCommandCursor::info — Gets information about the cursor's creation and iteration
This can be called before or after the cursor has started iterating.
Diese Funktion hat keine Parameter.
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.
Beispiel #1 MongoCommandCursor::info() example
<?php
$m = new MongoClient();
$cursor = new MongoCommandCursor(
$m, // MongoClient object
'demo.cities', // namespace
[
'aggregate' => 'cities',
'pipeline' => [ [ '$match' => [ '_id' => [ '$exists' => true ] ] ] ],
'cursor' => [ 'batchSize' => 1 ],
]
);
echo "Before iteration started:\n";
var_dump($cursor->info());
echo "\nAfter iteration started:\n";
$cursor->rewind();
var_dump($cursor->info());
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
Before iteration started:
array(8) {
["ns"]=>
string(11) "demo.cities"
["limit"]=>
int(0)
["batchSize"]=>
int(0)
["skip"]=>
int(0)
["flags"]=>
int(0)
["query"]=>
array(3) {
["aggregate"]=>
string(6) "cities"
["pipeline"]=>
array(1) {
[0]=>
array(1) {
["$match"]=>
array(1) {
["_id"]=>
array(1) {
["$exists"]=>
bool(true)
}
}
}
}
["cursor"]=>
array(1) {
["batchSize"]=>
int(1)
}
}
["fields"]=>
NULL
["started_iterating"]=>
bool(false)
}
After iteration started:
array(17) {
["ns"]=>
string(11) "demo.cities"
["limit"]=>
int(0)
["batchSize"]=>
int(0)
["skip"]=>
int(0)
["flags"]=>
int(0)
["query"]=>
array(3) {
["aggregate"]=>
string(6) "cities"
["pipeline"]=>
array(1) {
[0]=>
array(1) {
["$match"]=>
array(1) {
["_id"]=>
array(1) {
["$exists"]=>
bool(true)
}
}
}
}
["cursor"]=>
array(1) {
["batchSize"]=>
int(1)
}
}
["fields"]=>
NULL
["started_iterating"]=>
bool(true)
["id"]=>
int(185840310129)
["at"]=>
int(0)
["numReturned"]=>
int(0)
["server"]=>
string(25) "localhost:27017;-;.;23991"
["host"]=>
string(9) "localhost"
["port"]=>
int(27017)
["connection_type_desc"]=>
string(10) "STANDALONE"
["firstBatchAt"]=>
int(0)
["firstBatchNumReturned"]=>
int(1)
}