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<?php
@header( "Content-Type: text/html; charset=utf-8;" );
@header( "Content-Encoding: utf-8" );
?>
<html>
<head>
<title>PHP Laboratory Work 3</title>
</head>
<body>
<h1>Вывод текста</h1>
  <?
  function func1()
    {
      return "<b style='Color: RED;' > Hello from red function </b>";
    }
    echo func1();

  function func2($str)
    {
    return "<br /><b style='Color: RED;' > $str </b>";
    }

    echo func2("Hello from red function");

  function func3($str)
     {
    if ($str ==""){
    echo "<br />Empty argument";
    }
    else
      {
    return "<br /><b style='Color: RED;' > $str </b>";
   }}
    echo func3("");?>

<h1>Работа с аргументом полученным по ссылке</h1>
   <?


  function func4($var) {
    $var++;
    return ($var);
  }

  $var1 = 1995;
  func4($var1);

  for ($var1=1995;$var1<=2008;) {
    echo $var1."<br/>";
    $var1=func4($var1);
    }
?>
<h1>Использование параметров по умолчанию</h1>

<?
  function func5($num = 1) {
    return 2008 + $num;
  }

  echo func5()." - вызов без параметра<br/>";
  echo func5(10)." - вызов c параметром<br/><br/>";

  function func6($name = "Anonym") {
    return "Hello $name";
  }

  echo func6()." - вызов без параметра<br/>";
  echo func6("Andrew")." - вызов c параметром<br/><br/>";

  echo "<br/><br/>";
?>

<h1>Возвращение значений из функции</h1>

<?
  function func7($a,$b,$c,$d) {
    $sum = 0;
    for ($i=$b;$i<=$a;$i++) {
      $sum += $c;
    }
    return $sum * $d;
  }

  echo func7(4,2,3,1);
?>


<h1>Использование массивов</h1>
<?

  echo '<u>№1</u><br/>';
  $admins = array("Иван Иванов","Пётр Петров","Выся Пупкин","Коля Пупкин","Дмитрий Иванов");
  foreach($admins as $val) {
    echo "$val <br/>";
  }
  echo "<br/><br/>";
  echo $admins[3] ;


  echo '<u>№2</u><br/>';
  $months = array("Jan" => "1","Feb" => "2","Mar" => "3","Apr" => "4","May" => "5", "Jun" => "6","Jul" => "7","Aug" => "8","Sen" => "9","Oct" => "10","Nov" => "11","Dec" => "12");
  foreach($months as $index => $val) {
    echo "$index - $val <br/>";
  }
  echo "<br/><br/>";
  echo $months["May"]."<br />";


  echo '<u>№3</u><br/>';
  $usersInd = array(array("Gyg","gygka@gmail.com","gygyT","123"),array("Lol","lolka@gmail.com","lolo","33333"));

  printUsersInd();
  echo "<br/><br/>";


  echo '<u>№4</u> <br/>';
  $usersAssoc = array("Gyg" => array("e-mail" => "gygka@gmail.com", "login" => "gygy", "pass" => "123"),
  "Lol" => array("e-mail" => "lolka@gmail.com", "login" => "lolo", "pass" => "33333"),
  "Vasja" => array("e-mail" => "vasja@pupkin.com", "login" => "vasja", "pass" => "pupkin"),
  "kukish" => array("e-mail" => "kukish@copperred.net", "login" => "kukish", "pass" => "xrenskazhu"));

  printUsersAssoc();


  echo '<u>№5</u><br/>';
  $usersInd[1][0] = "Gyg";
  $usersInd[1][1] = "gygka@gmail.com";
  $usersInd[1][2] = "gygy";
  $usersInd[1][3] = "123";

  printUsersInd();
  echo "<br/><br/>";

  $usersAssoc["Lol"]["e-mail"] = "gygka@gmail.com";
  $usersAssoc["Lol"]["login"] = "gygy";
  $usersAssoc["Lol"]["pass"] = "2345";

  printUsersAssoc();


// print functions
  function printUsersInd() {
    global $usersInd;
    foreach ($usersInd as $user) {
      foreach ($user as $data) {
        echo "$data<br/>";
      }
      echo "<br/>";
    }
  }

  function printUsersAssoc() {
    global $usersAssoc;
    foreach($usersAssoc as $user => $info) {
      echo "<b>$user</b><br/>";
      foreach($info as $index => $data) {
        echo "$index - $data<br/>";
      }
      echo "<br/>";
    }
  }
?>


</body>
</html>