简单的php多线程解决方法

<?php
$pid = pcntl_fork();
if ($pid == -1) {
 die('could not fork');
} else if ($pid) {
 // we are the parent
 pcntl_wait($status); //Protect against Zombie children
} else {
 // we are the child
}
?>

<?php
$pid = pcntl_fork();
if($pid == -1){
 //创建失败咱就退出呗,没啥好说的
 die('could not fork');
}
else{
 if($pid){
 //从这里开始写的代码是父进程的,因为写的是系统程序,记得退出的时候给个返回值
 exit(0);
 }
 else{
 //从这里开始写的代码都是在新的进程里执行的,同样正常退出的话,最好也给一个返回值
 exit(0);
 }
}
?>

function sendStream() { 
 $english_format_number = number_format($number, 4, '.', ''); 
 
 echo $english_format_number; 
 exit(); 
 $timeout = 10; 
 $result = array(); 
 $sockets = array(); 
 $convenient_read_block = 8192; 
 $host = "test.local.com"; 
 $sql = "select waybill_id,order_id from xm_waybill where status>40 order by update_time desc limit 1 "; 
 $data = Yii::app()->db->createCommand($sql)->queryAll(); 
 $id = 0; 
 
 foreach ($data as $k => $v) { 
 if ($k % 2 == 0) { 
 $send_data[$k]['body'] = NoticeOrder::getSendData($v['waybill_id']); 
 
 } else { 
 $send_data[$k]['body'] = array($v['order_id'] => array('extra' => 16)); 
 } 
 $data = json_encode($send_data[$k]['body']); 
 $s = stream_socket_client($host . ":80", $errno, $errstr, $timeout, STREAM_CLIENT_ASYNC_CONNECT | STREAM_CLIENT_CONNECT); 
 if ($s) { 
 $sockets[$id++] = $s; 
 $http_message = "GET /php/test.php?data=" . $data . " HTTP/1.0
Host:" . $host . "
"; 
 fwrite($s, $http_message); 
 } else { 
 echo "Stream " . $id . " failed to open correctly."; 
 } 
 } 
 
 while (count($sockets)) { 
 
 $read = $sockets; 
 
 stream_select($read, $w = null, $e = null, $timeout); 
 if (count($read)) { 
 /* stream_select generally shuffles $read, so we need to 
 compute from which socket(s) we're reading. */
 foreach ($read as $r) { 
 
 $id = array_search($r, $sockets); 
 $data = fread($r, $convenient_read_block); 
 if (strlen($data) == 0) { 
 echo "Stream " . $id . " closes at " . date('h:i:s') . ".<br> "; 
 fclose($r); 
 unset($sockets[$id]); 
 } else { 
 $result[$id] = $data; 
 } 
 } 
 } else { 
 /* A time-out means that *all* streams have failed 
 to receive a response. */
 echo "Time-out!
"; 
 break; 
 } 
 } 
 print_r($result); 
 
 }

function daemon($func_name,$args,$number){ 
 while(true){ 
 $pid=pcntl_fork(); 
 if($pid==-1){ 
 echo "fork process fail"; 
 exit(); 
 }elseif($pid){//创建的子进程 
 
 static $num=0; 
 $num++; 
 if($num>=$number){ 
 //当进程数量达到一定数量时候，就对子进程进行回收。 
 pcntl_wait($status); 
 
 $num--; 
 } 
 }else{ //为0 则代表是子进程创建的，则直接进入工作状态 
 
 if(function_exists($func_name)){ 
 while (true) { 
 $ppid=posix_getpid(); 
 var_dump($ppid); 
 call_user_func_array($func_name,$args); 
 sleep(2); 
 } 
 }else{ 
 echo "function is not exists"; 
 } 
 exit(); 
 } 
 } 
} 
function worker($args){ 
 //do something 
 
} 
daemon('worker',array(1),2);

cd /tools 
 wget https://github.com/krakjoe/pthreads/archive/v2.0.10.zip 
 unzip v2.0.10.zip 
 cd pthreads-2.0.10 
 /usr/local/php/bin/phpize 
 ./configure --with-php-config=/usr/local/php/bin/php-config 
 make 
 make install

vim /etc/php.ini 
添加
extension=pthreads.so