IT. Expert System.

PHP

Check if there was an error on the most recent db operation performed


MongoDB::lastError

(PECL mongo >=0.9.5)

MongoDB::lastErrorCheck if there was an error on the most recent db operation performed

Description

public array MongoDB::lastError ( void )

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() 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() 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) } 


Content

Android Reference

Java basics

Java Enterprise Edition (EE)

Java Standard Edition (SE)

SQL

HTML

PHP

CSS

Java Script

MYSQL

JQUERY

VBS

REGEX

C

C++

C#

Design patterns

RFC (standard status)

RFC (proposed standard status)

RFC (draft standard status)

RFC (informational status)

RFC (experimental status)

RFC (best current practice status)

RFC (historic status)

RFC (unknown status)

IT dictionary

License.
All information of this service is derived from the free sources and is provided solely in the form of quotations. This service provides information and interfaces solely for the familiarization (not ownership) and under the "as is" condition.
Copyright 2016 © ELTASK.COM. All rights reserved.
Site is optimized for mobile devices.
Downloads: 195 / 158747211. Delta: 0.03295 с