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怎么不显示shell的返回信息

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Jun 13, 2016 am 10:09 AM

execmemcachedphpshell

如何不显示shell的返回信息
用PHP写的脚本：
shell_exec('/usr/local/memcached/bin/memcached -u root'); // 启动memcached
搁在终端下直接执行该命令或者解析执行这个PHP文件，进程就都一直挂着，如果关闭终端就会杀死这个memcached进程（它不像Apache那样启动后也就完事了）。
有什么办法，PHP脚本发出命令后再不去管，或者是让memcached进程不要挂在终端上，这让强迫症患者很难受

------解决方案--------------------
@shell_exec('/usr/local/memcached/bin/memcached -u root');
@：屏蔽错误或警告的显示！

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