WordPress Specific Plugin Disable Update

add_filter('http_request_args', 'dm_prevent_update_check', 10, 2);
function dm_prevent_update_check( $r, $url ) {
	if (strpos($url, 'http://api.wordpress.org/plugins/update-check/1.1/') === 0 || strpos($url, 'https://api.wordpress.org/plugins/update-check/1.1/') === 0) {
		$my_plugin = plugin_basename(__FILE__);
		$plugins = json_decode($r['body']['plugins'], true);
		if(isset($plugins['plugins'][$my_plugin]))
			unset($plugins['plugins'][$my_plugin]);
		$k = array_search($my_plugin, $plugins['active']);
		if($k !== FALSE)
			unset($plugins['active'][$k]);
		$r['body']['plugins'] = json_encode($plugins);
	}
	// older versions of wordpress
	else if(strpos($url, 'http://api.wordpress.org/plugins/update-check/') === 0) {
		$my_plugin = plugin_basename(__FILE__);
		$plugins = unserialize($r['body']['plugins']);
		unset($plugins->plugins[$my_plugin]);
		unset($plugins->active[array_search($my_plugin, $plugins->active)]);
		$r['body']['plugins'] = serialize($plugins);
	}
	return $r;
}