curl多线程实例

<?php
	//初始化多个下载器
	$data=true;
	$page=1;
	function initSpider($page){
		$spider=array(); 
		$baseUrl="http://dealer.auto.henan.sina.com.cn/api/auto/api2zz_carpay_today.php";
		$pc=100;
		for($i=1;$i<=50;$i++){
			$item=curl_init();
			$url=$baseUrl.'?p='.($page+$i).'&pc='.$pc;
			var_dump($url);
			curl_setopt($item, CURLOPT_URL, $url);
			curl_setopt($item, CURLOPT_HEADER, 0);
			curl_setopt($item, CURLOPT_RETURNTRANSFER, true);
			array_push($spider,$item);
		}
		return $spider;
	}
	while($data){
		$res=array();
		$spider=initSpider($page);
		$page+=50;
		$spiderManager = curl_multi_init();
		foreach($spider as $value){
			curl_multi_add_handle($spiderManager,$value);
		}
		$running=null;
		do {
			$status = curl_multi_exec($spiderManager,$running);
		} while($status===CURLM_CALL_MULTI_PERFORM||$running);
		foreach ($spider as $i=>$value) {
			$tmp=json_decode(curl_multi_getcontent($value),true);
			var_dump($tmp['error'];
			$tmp['error']==1 && $data=false;
			curl_multi_remove_handle($spiderManager, $value);
			curl_close($spider[$i]);
		}
	}
	curl_multi_close($spiderManager);