Webbserverprogrammering 1

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webbsrvprg/ovningar/

index.php
ovn_gr1.php
ovn_gr2.php
ovn_gr3for.php
ovn_gr3while.php
ovn_gr4.php
ovn_gr5.php
ovn_gr6.php
ovn_gr7.php

ovn_gr6.php

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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>grunder 6</title>
</head>
<body>
    
</body>
</html><?php

$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 . "<br>";
        $antal++;
    }
}

echo "Antal primtal: " . $antal;

?>