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ovning1.php
ovning2.php
ovning3/
ovning4.php
ovning4_post.php
ovning5.php
ovning1.php
156 lines UTF-8 Windows (CRLF)
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<?php
error_reporting(-1); // Report all type of errors
ini_set('display_errors', 1); // Display all errors
ini_set('output_buffering', 0); // Do not buffer outputs, write directly
?>
<!DOCTYPE html>
<html lang="sv">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Övning 1</title>
</head>
<body>
<?php
$fahrenheit = 68;
$celsius = 5 / 9 * ($fahrenheit - 32);
echo "Fahrenheit: " . $fahrenheit . "<br>";
echo "Celsius: " . $celsius . "<br><br>";
$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 $text1 . " " . $enamn . " bor på " . $road . " " . $tal . "<br><br>";
$summa = 0;
for ($i = 1; $i <= 100; $i++) {
$summa += $i;
}
echo $summa . "<br>";
$summa = 0;
$i = 1;
while ($i <= 100) {
$summa += $i;
$i++;
}
echo $summa . "<br><br>";
$celsius = [];
$fahrenheit = [];
for ($i = -20; $i <= 40; $i += 10) {
$f = 9 / 5 * $i + 32;
echo $i . " Celsius = " . $f . " Fahrenheit<br>";
$celsius[] = $i;
$fahrenheit[] = $f;
}
echo "<br>";
foreach ($celsius as $tal) {
echo $tal . " ";
}
echo "<br>";
foreach ($fahrenheit as $tal) {
echo $tal . " ";
}
echo "<br><br>";
var_dump($celsius);
var_dump($fahrenheit);
echo "<br><br>";
print_r($celsius);
print_r($fahrenheit);
echo "<br><br>";
$lada = [];
$tal = 1;
for ($i = 0; $i < 10; $i++) {
$lada[] = $tal;
$tal = $tal * 2;
}
print_r($lada);
$medel = array_sum($lada) / count($lada);
echo "<br>" . $medel . "<br><br>";
$antal = 0;
for ($tal = 2; $tal <= 100; $tal++) {
$primtal = true;
for ($i = 2; $i < $tal; $i++) {
if ($tal % $i == 0) {
$primtal = false;
break;
}
}
if ($primtal) {
echo $tal . " ";
$antal++;
}
}
echo "<br>Antal: " . $antal . "<br><br>";
$antal = 0;
$tal = 2;
while ($antal < 100) {
$primtal = true;
for ($i = 2; $i < $tal; $i++) {
if ($tal % $i == 0) {
$primtal = false;
break;
}
}
if ($primtal) {
echo $tal . " ";
$antal++;
}
$tal++;
}
?>