How to execute shell script in php

This article introduces how to directly execute shell scripts in php. Friends in need can refer to it.

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code example: & lt ;? php $ message = shell_exec ("SUDO/usr/local/nginx/sbin/nginx- t 2>&1");echo "Run result:".$message."
";

The above code directly executes the SHELL statement in PHP.
If there is a return value, 2>&1 is required. It is responsible for redirecting the output strerr to the strout output. Otherwise the return result will be empty.

You can use system, exec and the like to execute shell commands under PHP, but each individual system command calls the shell separately,

The environment must be re-initialized every time. Therefore, if you use PHP to execute multiple commands in succession, you cannot implement functions through multiple systems.

This article provides the following two methods for your reference.

1, use php to generate a shell file and execute it, delete it after completion

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Code example:file_put_countents('tmp.sh',"cd /usr/ localecho 'string'ls $callback");

For multiple commands, just change the line.

2, multiple commands are written directly in one statement, as follows:

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Code example: 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

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