PHP

<?
// пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ
define(FATAL, E_USER_ERROR);
define(ERROR, E_USER_WARNING);
define(WARNING, E_USER_NOTICE);

// пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ, пїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ
error_reporting (FATAL | ERROR | WARNING);

// пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ
function myErrorHandler($errno,$errstr,$errfile,$errline) {
  switch ($errno) {
  case FATAL:
    echo "<b>пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ</b> [$errno] $errstr<br>\n";
    echo "пїЅ пїЅпїЅпїЅпїЅпїЅпїЅ: $errline пїЅпїЅпїЅпїЅпїЅ:".$errfile;
    echo ", PHP ".PHP_VERSION." (".PHP_OS.")<br>\n";
    echo "Aborting...<br>\n";
    exit -1;
    break;
  case ERROR:
    echo "<b>пїЅпїЅпїЅпїЅпїЅпїЅ</b> [$errno] $errstr<br>\n";
    break;
  case WARNING:
    echo "<b>пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ</b> [$errno] $errstr<br>\n";
    break;
  default:
    echo "пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ: [$errno] $errstr<br>\n";
  }
}

// пїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ
// (пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅ
function scale_by_log($vect, $scale) {
  if(!is_numeric($scale) || $scale <= 0)
    trigger_error("пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ log(x) пїЅпїЅпїЅ x <= 0 пїЅпїЅпїЅпїЅпїЅпїЅ. ", 
                  "(x = $scale)", FATAL);
  if(!is_array($vect)) {
    trigger_error("пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ ", ERROR);
    return null;
  }
  for($i=0; $i<count($vect); $i++) {
    if(!is_numeric($vect[$i]))
      trigger_error("пїЅпїЅпїЅпїЅпїЅпїЅпїЅ ($i) пїЅпїЅ пїЅпїЅпїЅпїЅпїЅ пїЅ 
                     пїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ 0", WARNING);
    $temp[$i]=log($scale)*$vect[$i];
  }
  return $temp;
}

// пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ
$old_error_handler=set_error_handler("myErrorHandler");

$a=array(2,3,"foo",5.5,43.3,21.11);
print_r($a);

$b=scale_by_log($a,M_PI); // пїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ
echo "пїЅпїЅпїЅпїЅпїЅпїЅ, пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ(пїЅпїЅ): ";
print_r($b);

$c=scale_by_log("not array",2,3); // пїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ
var_dump($c);

$d=scale_by_log($a, -2.5); // пїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ

echo "пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ...";
?>

Array
(
  [0] => 2
  [1] => 3
  [2] => foo
  [3] => 5.5
  [4] => 43.3
  [5] => 21.11
)
<b>пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ</b> [1024] пїЅпїЅпїЅпїЅпїЅпїЅпїЅ (2) пїЅпїЅ пїЅпїЅпїЅпїЅпїЅ,
  пїЅ пїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ 0<br>
пїЅпїЅпїЅпїЅпїЅпїЅ, пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ(пїЅпїЅ): Array
(
  [0] => 2.2894597716988
  [1] => 3.4341896575482
  [2] => 0
  [3] => 6.2960143721717
  [4] => 49.566804057279
  [5] => 24.165247890281
)
<b>пїЅпїЅпїЅпїЅпїЅпїЅ</b> [512] пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ <br>
NULL
<b>пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ пїЅпїЅпїЅпїЅпїЅпїЅ</b> [256] пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ log(x) пїЅпїЅпїЅ x <=0 пїЅпїЅпїЅпїЅпїЅпїЅ,
  (x = -2.5)<br>
  пїЅ пїЅпїЅпїЅпїЅпїЅпїЅ: 37, пїЅпїЅпїЅпїЅпїЅ E:\www\exampl.php, PHP 4.0.5 (WINNT)<br>
Aborting...<br>