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fragotavling.php
index.php
ovn_cookie.php
ovn_cookie1.php
ovn_cookie2.php
ovn_cookie4.php
ovn_cookie5.php
ovn_cookie_hemligt.php
ovn_cookie_login.php
ovn_form.php
ovn_form2.php
ovn_form3.php
ovn_form4.php
ovn_form6.php
ovn_form7.php
ovn_form8.php
ovn_formular.php
ovn_formular_svar.php
ovn_formular_svar2.php
ovn_formular_svar3.php
ovn_formular_svar4.php
ovn_formular_svar6.php
ovn_formular_svar7.php
ovn_funktioner.php
ovn_gr1.php
ovn_inklfiler.php
ovn_inklfiler2_1.php
ovn_inklfiler2_2.php
ovn_inklfiler2_3.php
ovn_inklfiler_slut.php
ovn_inklfiler_start.php
ovn_inklfiler_test.php
ovn_strangar.php
ovn_gr1.php
169 lines UTF-8 Windows (CRLF)
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Övningar grunder</title>
</head>
<body>
<?php
#Övning 1
echo "<h3>Övning 1</h3>";
$fahrenheit = 86;
$celsius = 5 / 9 * ($fahrenheit - 32);
echo "Fahrenheit: " . $fahrenheit . "°F<br>";
echo "Celsius: " . $celsius . "°C<br>";
echo "<br>";
#Övning 2
echo "<h3>Övning 2</h3>";
$text1 = "Kalle";
$enamn = "Anka";
$tal = 16;
$road = "Ankvägen";
echo "$text1 $enamn bor på $road $tal";
echo "<br>";
echo $text1 . " " . $enamn . " bor på " . $road . " " . $tal;
echo "<br>";
echo $text1 . " " . $enamn . " bor på " . $road . " " . $tal;
echo "<br><br>";
#Övning 3
echo "<h3>Övning 3</h3>";
$summa = 0;
for ($i = 1; $i <= 100; $i++) {
$summa += $i;
}
echo "Summan med for-loop: " . $summa;
echo "<br>";
$summa = 0;
$i = 1;
while ($i <= 100) {
$summa += $i;
$i++;
}
echo "Summan med while-loop: " . $summa;
echo "<br><br>";
#Övning 4
echo "<h3>Övning 4</h3>";
$celsius = [];
$fahrenheit = [];
for ($i = -20; $i <= 40; $i += 10) {
$f = $i * 9 / 5 + 32;
$celsius[] = $i;
$fahrenheit[] = $f;
echo $i . " °C = " . $f . " °F";
echo "<br>";
}
echo "<br>";
echo "Egen loop:<br>";
for ($i = 0; $i < count($celsius); $i++) {
echo $celsius[$i] . " °C = " . $fahrenheit[$i] . " °F";
echo "<br>";
}
echo "<br>";
echo "var_dump:<br>";
var_dump($celsius);
echo "<br>";
var_dump($fahrenheit);
echo "<br><br>";
echo "print_r:<br>";
print_r($celsius);
echo "<br>";
print_r($fahrenheit);
echo "<br><br>";
#Övning 5
echo "<h3>Övning 5</h3>";
$tal = [];
$varde = 1;
for ($i = 0; $i < 10; $i++) {
$tal[] = $varde;
$varde *= 2;
}
print_r($tal);
$summa = array_sum($tal);
$medelvarde = $summa / count($tal);
echo "<br>";
echo "Medelvärdet är: " . $medelvarde;
echo "<br><br>";
#Övning 6
echo "<h3>Övning 6</h3>";
$antal = 0;
echo "Primtal mellan 2 och 100:<br>";
for ($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><br>";
echo "Antal primtal: " . $antal."<br><br>";
#Övning 7
echo "<h3>Övning 7</h3>";
$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++;
}
?>
</body>
</html>