MONGODB.LASTERROR(3) 1 MONGODB.LASTERROR(3)
MongoDB::lastError - Check if there was an error on the most recent db operation performed
SYNOPSIS
public array MongoDB::lastError (void )
DESCRIPTION
This method is equivalent to:
<?php
public function lastError() {
return $this->command(array('getlasterror' => 1));
}
?>
PARAMETERS
This function has no parameters.
RETURN VALUES
Returns the error, if there was one.
EXAMPLES
Example #1
MongoDB.lastError(3) NULL error example
<?php
$db->resetError();
var_dump($db->lastError());
?>
The above example will output something similar to:
array(3) {
["err"]=>
NULL
["n"]=>
int(0)
["ok"]=>
float(1)
}
Example #2
MongoDB.lastError(3) duplicate key example
<?php
$c = $db->selectCollection("foo");
// insert two documents with the same _id
$c->insert(array("_id" => 1));
$c->insert(array("_id" => 1));
var_dump($db->lastError());
?>
The above example will output something similar to:
array(3) {
["err"]=>
string(64) "E11000 duplicate key errorindex: foo.foo.$_id_ dup key: { : 1 }"
["n"]=>
int(0)
["ok"]=>
float(1)
}
PHP Documentation Group MONGODB.LASTERROR(3)
