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vendor/swoole/examples/channel/leader_follower.php

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+<?php
+use Swoole\Timer;
+use Swoole\Process;
+use Swoole\Channel;
+
+$chan = new Channel(1024 * 256);
+
+$worker_num = 4;
+$workers = array();
+
+for ($i = 0; $i < $worker_num; $i++)
+{
+    $process = new Process(function ($worker) use ($chan, $i)
+    {
+        while (true)
+        {
+            $data = $chan->pop();
+            if (empty($data))
+            {
+                usleep(200000);
+                continue;
+            }
+            echo "worker#$i\t$data\n";
+        }
+    }, false);
+    $process->id = $i;
+    $pid = $process->start();
+    $workers[$pid] = $process;
+}
+
+Timer::tick(2000, function () use ($chan)
+{
+    static $index = 0;
+    $chan->push("hello-" . $index++);
+});