(PECL mongo >=0.9.4)
MongoCursor::slaveOkay — Sets whether this query can be done on a slave
This method will override the static class variable slaveOkay.
If it is okay to query the slave.
Returns this cursor.
Throws MongoCursorException if this cursor has started iterating.
Example #1 MongoCursor::slaveOkay() example
<?php
MongoCursor::$slaveOkay = false;
// cannot query slave
$cursor = $collection->find();
// can query slave
$cursor = $collection->find()->slaveOkay();
MongoCursor::$slaveOkay = true;
// can query slave
$cursor = $collection->find();
// cannot query slave
$cursor = $collection->find()->slaveOkay(false);
?>