分佈式搜索引擎elasticsearch PHP API index bulk 批量插入操作

<?php
	require '../vendor/autoload.php';
	function p ($param) {
	if (!is_array($param) && !is_object($param))
	{
		echo $param;
		return true;
	}
		echo '<pre>';
		print_r($param);
		echo '</pre>';
	}

	$client = new Elasticsearch\Client();

	//創建索引/添加mapping/到批量添加數據
	//bulking (批量添加數據)
	$indexParam['index'] = 'info'; //info庫
	// $indexParam['type'] = 'news';//新聞信息
	// $indexParam['body']['settings'] = array(
	// 			//設置setting信息
	// 			'number_of_shards' => 3,//1個索引分3片
	// 			'number_of_replicas' => true,//保留一個副本
	// 			// 'refresh_interval' => -1
	// 	);

	//創建mapping
	$mapParam = array(
		'_source' => array(
				'enable' => true
			),
		'properties' => array(
				'title' => array(
						'type' => 'string',
						'analyzer' => 'standard'
					),
				'score'=>array(
						'type' => 'integer',
						'index' => 'not_analyzed'
					),
				'url' => array(
						'type' => 'string',
						'index'=> 'not_analyzed'
					)
			)
		);

	$indexParam['body']['mappings']['news'] = $mapParam;
	$res = $client -> indices() -> create($indexParam);
	// p($indexParam);

	$bulk = array('index'=>'info','type'=>'news');
	//bulk批量生成
	for($i = 1; $i <= 1000; $i ++) {
		$bulk['body'][]=array(
				'index' => array(
						'_id'=>$i
					),
			);

		$bulk['body'][]=array(

						'title'=>RandStr(),
						'score'=>mt_rand('0','101'),
						'url'=>'http://www.2144.cn'


			);
	}
	$res = $client->bulk($bulk);
	p($res);


	//測試函數
	function RandStr()
	{
		$zm = range('aa','zz');
		$zm = array_map(function($a){
			$str = '';
			for ($i = 0; $i < 10; $i ++) {
				$str .= $a;
			}
			return $str;
		}, $zm);
		$num = range('1900','2000');
		$merge = array_merge($zm,$num);
		shuffle($merge);
		return substr(str_shuffle(join('',$merge)),0,mt_rand(8,14));
	}