4
我得到一个Undefined offset: 0
与laravel错误。奇怪的是,当我dd()
它,它出现了。PHP:未定义偏移量:0,但不与dd()
$ports = $container->getPorts();
$ports = $ports[0];
这将返回Undefined offset: 0
当我dd()
$ports = $container->getPorts();
dd($ports[0]);
Port {#336
#privatePort: 80
#publicPort: 32780
#type: "tcp"
}
全阵列:
array:1 [▼
0 => Port {#336 ▼
#privatePort: 80
#publicPort: 32780
#type: "tcp"
}
]
我收到此错误与泊坞窗的PHP SDK。任何人都知道发生了什么?
全码:
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' => $data ]);
}
什么是完整的错误消息? Undefined offset:0是否与$ ports或$ data有关? – kerrin
它与$ ports有关。我尝试了一个$端口的foreach来获取值并将它们放入一个数组中。这确实有效,并适合我的情况。但我仍然想知道为什么会发生这种情况。你试过 –
$ port = $ ports [0];? –