centos MQTT安装和php使用mosquitto的实例

php安装mqtt  扩展

yum install -y php-devel

yum install -y mosquitto-devel

/usr/local/php/bin/pecl install Mosquitto-alpha

安装过程提示有3个函数被禁用

popen   readlink  putenv

可以开启后安装后再禁用也可以手动安装

有可能安装不成功也可以手动安装

cd /tmp/pear/download    进入下载的目录

tar zxvf Mosquitto-0.4.0.tgz    解压

cd Mosquitto-0.4.0                  继续进入

phpize
 ./configure && make && make install

 php.ini  添加 extension=mosquitto.so

重启php

  mqtt.php

<?php
$client = new Mosquitto\Client();
$client->setCredentials('root','12345');
$client->connect("127.0.0.1", 1884, 5);
 
for($i = 0;$i<=100;$i++) {
    $client->loop();
    $mid = $client->publish('ss', "Hello from PHP at " . date('Y-m-d H:i:s'), 1, 0);
    echo "Sent message ID: {$mid}\n";
    $client->loop();
 
    sleep(2);
}

sub.php

<?php
 $c = new Mosquitto\Client;
$c->setCredentials('root','12345');
$c->connect('127.0.0.1',1884,50);
 
$c->subscribe('ss', 1);
 
$c->onMessage(function($m) {
    var_dump($m);
});
$c->loopForever();

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