PHP calls common functions in Linux

In order to facilitate the majority of candidates to better review, to help the examination network to comprehensively organize the Linux Certification: PHP calls common functions of the Linux system for examination review reference, hope to help students review. PHP calls common Linux functions 1. exec functions & lt ;? Php... "> <LINKhref =" http://www.php100.com//s

In order to facilitate the majority of candidates to better review, to help the examination network to comprehensively organize the Linux Certification: PHP calls common functions of the Linux system for examination review reference, hope to help students review.

PHP calls common functions in Linux

1. exec function

　　

$ Test = "ls/tmp/test"; // ls is the directory for querying files in linux.

Exec ($ test, $ array); // execute the command

Print_r ($ array );

?>

2. system functions

　　

$ Test = "ls/tmp/test ";

$ Last = system ($ test );

Print "last: $ last \ n ";

?>

3. passthru function

　　

$ Test = "ls/tmp/test ";

Passthru ($ test );

?>

4. popen function

　　

$ Test = "ls/tmp/test ";

$ Fp = popen ($ test, "r"); // popen forms a process Channel

While (! Feof ($ fp) {// get something from the Channel

$ Out = fgets ($ fp, 4096 );

Echo $ out; // Print it out

}

Pclose ($ fp );

?>

5. proc_open function

　　

$ Test = "ls/tmp/test ";

 

$ Arrayarray = array (

Array ("pipe", "r"), // standard input

Array ("pipe", "w"), // standard output content

Array ("pipe", "w") // standard output error

);

$ Fp = proc_open ($ test, $ array, $ pipes); // open a process Channel

Echo stream_get_contents ($ pipes [1]); // why is $ pipes [1], because 1 is the output content

Proc_close ($ fp );

?>

6. proc_open function

　　

$ Test = "ls/tmp/test ";

$ Arrayarray = array (

Array ("pipe", "r"), // standard input

Array ("pipe", "w"), // standard output content

Array ("pipe", "w") // standard output error

);

$ Fp = proc_open ($ test, $ array, $ pipes); // open a process Channel

Echo stream_get_contents ($ pipes [1]); // why is $ pipes [1], because 1 is the output content

Proc_close ($ fp );

?>

7. shell_exec function

　　

$ Test = "ls/tmp/test ";

$ Out = shell_exec ($ test );

Echo $ out;

?>