René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"containerAttachWebsocket fread(): Length parameter must be greater than 0 ","articleBody":"run this code\r\n```\r\n putenv(\"DOCKER_HOST=*:2015\");\r\n        putenv('DOCKER_TLS_VERIFY=1');\r\n        putenv('DOCKER_CERT_PATH=' . storage_path('docker/ssl'));\r\n        $docker = Docker::create();\r\n\r\n        $containerConfig = new ContainersCreatePostBody();\r\n        $containerConfig-\u003esetImage('busybox:latest');\r\n        $containerConfig-\u003esetCmd(['sh']);\r\n        $containerConfig-\u003esetAttachStdout(true);\r\n        $containerConfig-\u003esetAttachStderr(true);\r\n        $containerConfig-\u003esetAttachStdin(false);\r\n        $containerConfig-\u003esetOpenStdin(true);\r\n        $containerConfig-\u003esetTty(true);\r\n        $containerConfig-\u003esetLabels(new \\ArrayObject(['docker-php-test' =\u003e 'true']));\r\n        $containerCreateResult = $docker-\u003econtainerCreate($containerConfig);\r\n        $webSocketStream = $docker-\u003econtainerAttachWebsocket($containerCreateResult-\u003egetId(), [\r\n            'stream' =\u003e true,\r\n            'stdout' =\u003e true,\r\n            'stderr' =\u003e true,\r\n            'stdin' =\u003e true,\r\n        ]);\r\n        $docker-\u003econtainerStart($containerCreateResult-\u003egetId());\r\n        // Read the bash first line\r\n        $webSocketStream-\u003eread();\r\n        // Write something to the container\r\n        $webSocketStream-\u003ewrite(\"echo test\\n\");\r\n        // Test for echo present (stdin)\r\n        $output = '';\r\n        while (false !== ($data = $webSocketStream-\u003eread())) {\r\n            $output .= $data;\r\n        }\r\n\r\n\r\n        var_dump($output);\r\n        // Exit the container\r\n        $webSocketStream-\u003ewrite(\"exit\\n\");\r\n\r\n```\r\nerror:\r\n```\r\n[2019-04-04 02:14:57] local.ERROR: fread(): Length parameter must be greater than 0 {\"exception\":\"[object] (ErrorException(code: 0): fread(): Length parameter must be greater than 0 at /Users/hooklife/Sites/Fresh-CI-Laravel/vendor/docker-php/docker-php/src/Stream/AttachWebsocketStream.php:163)\r\n```","author":{"url":"https://github.com/hooklife","@type":"Person","name":"hooklife"},"datePublished":"2019-04-04T02:20:15.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/352/docker-php/issues/352"}