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index.php
ovn_funk1.php
ovn_gr1.php
test.html
ovn_gr1.php
196 lines UTF-8 Windows (CRLF)
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<!DOCTYPE html>
<html lang="sv">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Ovning1</title>
</head>
<body>
<?php
#ovning1
echo "<h3>Ovning 1</h3>";
$fahrenheit = 86;
$celsius = 5 / 9 * ($fahrenheit - 32);
echo "Fahrenheit: " . $fahrenheit . " °F <br>";
echo "Celsius: " . $celsius . " °C <br><br>";
?>
<?php
#ovning 2
echo "<h3>Ovning 2</h3>";
$text1 = "Kalle";
$enamn = "Anka";
$tal = 16;
$road = "Ankvägen";
echo "$text1 $enamn bor på $road $tal<br>";
echo $text1 . " " . $enamn . " bor på " . $road . " " . $tal . "<br>";
echo 'Kalle Anka bor på Ankvägen 16<br><br>';
?>
<?php
#ovning 3
echo "<h3>Ovning 3</h3>";
$summa = 0;
for ($i = 1; $i <= 100; $i++) {
$summa = $summa + $i;
}
echo "Summan med for-loop är: " . $summa;
echo "<br>";
$summa = 0;
$i = 1;
while ($i <= 100) {
$summa = $summa + $i;
$i++;
}
echo "Summan med while-loop är: " . $summa;
echo "<br><br>";
?>
<?php
#ovning 4
echo "<h3>Ovning 4</h3>";
for ($celsius = -20; $celsius <= 40; $celsius += 10) {
$fahrenheit = $celsius * 9 / 5 + 32;
echo $celsius . " Celsius = " . $fahrenheit . " Fahrenheit<br>";
}
echo"<br>";
$celsiusArray = [];
$fahrenheitArray = [];
for ($celsius = -20; $celsius <= 40; $celsius += 10) {
$fahrenheit = $celsius * 9 / 5 + 32;
$celsiusArray[] = $celsius;
$fahrenheitArray[] = $fahrenheit;
}
for ($i = 0; $i < count($celsiusArray); $i++) {
echo $celsiusArray[$i] . " C = " . $fahrenheitArray[$i] . " F<br>";
}
echo"<br>";
var_dump($celsiusArray);
echo"<br>";
var_dump($fahrenheitArray);
echo"<br><br>";
print_r($celsiusArray);
echo"<br>";
print_r($fahrenheitArray);
echo"<br><br>"
?>
<?php
#ovning 5
echo "<h3>Ovning 5</h3>";
$array = [];
$tal = 1;
for ($i = 0; $i < 10; $i++) {
$array[] = $tal;
$tal = $tal * 2;
}
print_r($array);
$summa = array_sum($array);
$antal = count($array);
$medel = $summa / $antal;
echo "<br>Medelvärdet är: " . $medel;
echo"<br><br>"
?>
<?php
#ovning 6
echo "<h3>Ovning 6</h3>";
$antal = 0;
for ($tal = 2; $tal <= 100; $tal++) {
$primtal = true;
for ($delare = 2; $delare < $tal; $delare++) {
if ($tal % $delare == 0) {
$primtal = false;
break;
}
}
if ($primtal) {
echo $tal . "<br>";
$antal++;
}
}
echo "Antal primtal: " . $antal;
echo"<br><br>"
?>
<?php
#ovning 7
echo "<h3>Ovning 7</h3>";
$antal = 0;
$tal = 2;
while ($antal < 100) {
$primtal = true;
for ($delare = 2; $delare < $tal; $delare++) {
if ($tal % $delare == 0) {
$primtal = false;
break;
}
}
if ($primtal) {
echo $tal . "<br>";
$antal++;
}
$tal++;
}
?>
</body>
</html>