title: Is there any alternative for PHP exec(), shell_exec(), system(), passthrough() functions?
body: <p>Is there any alternative for PHP exec(), shell_exec(), system(), passthrough() functions? As all these functions have security risk, need a way to execute server commands without using any of these functions.</p>
  
  <p>Due to security reasons, can't enable these functions on my server php configuration. But as per website requirement, I need to execute some external commands like server ssh commands through php script. So, if there are any alternative ways to achieve same then please reply back to me.</p>