Untitled

<!DOCTYPE html>
<html lang="lt">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Forma</title>
</head>
<body>

<h2>1 užd : Vidurkiai</h2>

<?php

arba $metai = array(
"Pavasaris" => array(
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
),
"Pavasaris" => array(
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
),
"Pavasaris" => array(
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
),
"Pavasaris" => array(
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
"Kovas" = rand(-2 ,15 ),
),
)
ir :

foreach metai as season => seasonVal
foreach metai[season] as month => mVal
if mVal>=10 {
echo month, mVal
}
_____________________________

$pavasaris = rand(-2 ,15 );
$ruduo = rand(10 ,-2 );
$vasara = rand(15 ,35 );
$ziema = rand(-30 ,0 );
$vidurkis = array(
"Pavasaris" => $pavasaris,
"Ruduo" => $ruduo,
"Vasara" => $vasara,
"Žiema" => $ziema,
);
foreach ($vidurkis as $key => $val) {
  echo ''.$key.' : '.$val.' ,';

}
echo '<hr>';
foreach ($vidurkis as $key => $val) {
   if($val > 10  ) {
      echo ''.$key.' : '.$val.' , ';
   }
   }
?>

<h2>2 užd : Matricos</h2>

<?php

$file = "DUOMENYS.txt";
$content = file_get_contents($file);
$content = str_replace("\n", " ", $content);
$arr = explode(" ", $content);
print_r($arr);

$lines = $arr[0];
$cols = $arr[1];

$count = $lines * $cols;

$randNum = rand(1,100);

for ($i = 2; $i < $count + 2; $i++) {
$arr[$i] *= $randNum;
}

echo "<br>";
print_r($arr); // debug

$result = "";

$index = 2;
for ($y = 0; $y < $lines; $y++) {
for ($x = 0; $x < $cols; $x++) {
$result .= $arr[$index++] . " ";
}
$result .= "\r\n";
}

file_put_contents("rezultatai.txt", $result);
?>


<h2>3 užd: Autos</h2>
<?php

$data = array(
"Ford" => array (
"Focus" => 1996,
"Hocus" => 2019,
"Pocus" => 1997
),

"Audi" => array (
"A6" => 2006,
"A69" => 2020,
"B20" => 1936
),

"Lamborghini" => array (
"Gallardo" => 2001,
"Ballardo" => 1950,
"Ricardo" => 2010
),

"Volkswagen" => array (
"Golf" => 2013,
"Colf" => 2014,
"Cholf" => 1984
)
);

foreach ($data as $mark => $markVal) {
krsort($data[$mark]);
}

echo "<pre>";
print_r($data);
echo "</pre>";

$result = "";


foreach ($data as $mark => $markVal) {
foreach ($data[$mark] as $model => $modelVal) {
if ($modelVal >= 2008) {
$result .= $mark." ".$model." ".$modelVal;
$result .= "\r\n";
}
}
}
echo $result;
?>
</body>
</html>