抓取命令php-shell_exec的输出_Php_Echo_Shell Exec_Libspotify

抓取命令php-shell_exec的输出

php

抓取命令php-shell_exec的输出,php,echo,shell-exec,libspotify,Php,Echo,Shell Exec,Libspotify,Im使用名为spop的spotify插件，位于：现在我要做一个搜索系统，它传递命令并返回字符串，然后我可以解析它并使它可读等等如果我执行以下操作，它会工作，返回我想要的： echo shell_exec('echo hello'); //returns hello 现在我想做（不返回任何内容）：有什么想法吗？现在我在终端上尝试了如果您键入'echo search“new release 2017”>/dev/tcp/localhost/6602'您在终端上得到了什么？？？它运行但没有输出

Im使用名为spop的spotify插件，位于：

现在我要做一个搜索系统，它传递命令并返回字符串，然后我可以解析它并使它可读等等

如果我执行以下操作，它会工作，返回我想要的：

echo shell_exec('echo hello'); //returns hello

现在我想做（不返回任何内容）：

有什么想法吗？现在我在终端上尝试了

如果您键入'echo search“new release 2017”>/dev/tcp/localhost/6602'
您在终端上得到了什么？？？它运行但没有输出。这让我想到了一条新的路线。现在，如果我做echo next>/dev/tcp/localhost/6602，它会跳到下一首歌。所以它可以工作，但无法输出！：/shell_exec（$commanad）执行给定的命令，并仅返回在终端上运行相同命令时看到的内容。因为在终端上看不到任何输出。。。它不会显示任何东西。我担心会出现这种情况，我该怎么做才能实现我所需要的？你有什么想法吗？我很想听到，因为我已经离开了他们！您给出的json内容来自哪里？？？
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