Six functions used by PHP to execute linux Commands

In general, php is rarely used to execute linux commands, but in special cases, you may use these functions. I used to know that there are two functions that can execute linux commands: exec and shell_exec. In fact, there are a lot of functions. the following six functions are introduced in combination with the manual content.

In general, php is rarely used to execute linux commands, but in special cases, you may use these functions. I used to know that there are two functions that can execute linux commands: exec and shell_exec. In fact, there are a lot of functions. the following six functions are introduced in combination with the manual content.

1. exec function

The returned results are as follows:

[root@krlcgcms01 shell]# php ./exec.phpArray([0] => 1001.log[1] => 10.log[2] => 10.tar.gz[3] => aaa.tar.gz[4] => mytest[5] => test1101[6] => test1102[7] => weblog_2010_09)

2. system functions

 [root@krlcgcms01 shell]# php system.php1001.log10.log10.tar.gzaaa.tar.gzmytesttest1101test1102weblog_2010_09last:weblog_2010_09

3. passthru function

4. popen function

5. proc_open function

6. shell_exec function

 The returned results of popen, passthru, proc_open, and shell_exec are as follows: [root @ krlcgcms01 shell] # php test.php1001.log10.log10.tar.gzaaa.tar.gz mytest1101test1102weblog_2010_09

I can find out that these functions can execute commands in linux. I think there should be some more.