在Laravel中,我遇到了Undefined offset: 0
的错误,奇怪的是当我使用dd()
函数时却可以看到它。
$ports = $container->getPorts();
$ports = $ports[0];
这会返回Undefined offset: 0
当我使用dd()
时
$ports = $container->getPorts();
dd($ports[0]);
Port {#336
#privatePort: 80
#publicPort: 32780
#type: "tcp"
}
完整的数组:
array:1 [▼
0 => Port {#336 ▼
#privatePort: 80
#publicPort: 32780
#type: "tcp"
}
]
我正在使用docker-php sdk时遇到了此错误。有没有人知道发生了什么?
完整代码:
public function dockerContainers()
{
$docker = new \Docker\Docker();
$containerManager = $docker->getContainerManager();
$containers = $containerManager->findAll();
$data = [];
$x=0;
foreach ($containers as $container) {
$ports = $container->getPorts();
// dd($ports[0]);
$ports = $ports[0];
$privatePort = $ports->getPrivatePort();
$publicPort = $ports->getPublicPort();
$data[$x++] = [
'id' => $container->getId(),
'state' => $container->getState(),
'names' => $container->getNames(),
'image' => $container->getImage(),
'status' => $container->getStatus(),
'ports' => [
'privatePort' => $privatePort,
'publicPort' => $publicPort
]
];
}
return view('containers', [ 'containers' => $data ]);
}
$ports = array_shift($ports);
,您会得到什么? - aaron0207