Execute help command and check its output : System Command « Development « PHP

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PHP » Development » System Command

Execute help command and check its output








<?php

$command = "help";

$logged_in = explode(' ', shell_exec($command));

for ($i = 0; $i < count($logged_in); $i++) {

   if ($argv[1] == trim($logged_in[$i])) {

      $found_user = 1;

   }

}

if($found_user) {

   print "User $argv[1] is currently logged in\n";

} else {

   print "User $argv[1] is NOT currently logged in\n";

}

?>

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