System Call

A system call is a call to an operating system function. In PHP, those are done with the shell_exec(), system() and exec() functions; and the `` (back tick) operators.

<?php

    // list files
    $list = shell_exec('ls -1');

?>

Documentation

See also Web Shells 101 Using PHP (Web Shells Part 2).

Related : System, System, exec, Shell Exec, Webshell