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php执行多条shell命令

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Jun 07, 2016 am 11:45 AM

php执行多条shell命令
php下执行shell命令可以用system、exec之类的，但是每个单独的system命令都是分别调用shell的，每次的环境都要重新初始化，因此多条命令连续的操作不能通过多条system实现功能，于是就有两种方法来解决这种问题。

1.用php生成shell文件并执行它，完事后删除file_put_countents('tmp.sh',"cd /usr/local<br> echo 'string'<br> ls $callback");<br> system('tmp.sh');多条命令直接换行就可以了

2.多条命令直接写在一条语句里system("cd {$path1};if [ ! -d {$path2} ];then \n { mkdir -p {$path2} \n chmod -R 777 {$path2} \n } \n fi;find -name '{$etaskid}-{$sid}*' -print | while read na很明显的缺点就是语句过长不好写

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