Drupal 7 create node programmatically

gistfile1.php

<?php

/**
 * Drupal 7 create node programmatically.
 *
 * @see https://www.drupal.org/node/1173136, important! - read comments below post.
 *
 * also @see http://www.lightrains.com/blog/programmatically-create-node-drupal-7, better explanation.
 * also @see http://fooninja.net/2011/04/13/guide-to-programmatic-node-creation-in-drupal-7/
 */
function my_create_node($title, $body)
	global $user;
	$node = new stdClass();
	$node->type = 'page';
	node_object_prepare($node);
	$node->uid = $user->uid;
	$node->name = $user->name;
	$node->title = $title;
	$node->language = 'und';
	$node->body[$node->language][0]['value'] = $body;
	$node->body[$node->language][0]['summary'] = '';
	$node->body[$node->language][0]['format'] = 'full_html';
	$node->comment = 1;
	$node->status = 1;        // 1 means published
	$node->promote = 0;
	$node->revision = 0;
	$node->changed = $_SERVER['REQUEST_TIME'];
	$node->created = $_SERVER['REQUEST_TIME'];
	node_submit($node);
	node_save($node);
	drupal_set_message('Page '. $title .' was created.');
}

my_create_node('Seo Training', 'Body text.');
my_create_node('Social Marketing', 'Body text.');
my_create_node('Development', 'Body text.');
my_create_node('Optimization', 'Body text.');
my_create_node('Pay Per Clicks', 'Body text.');
my_create_node('Seo Tips', 'Body text.');

?>