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index.html
index.php
ovn_gr1.php
ovn_gr2.php
ovn_gr3.php
ovn_gr4.php
ovn_gr5.php
ovn_gr6.php
ovn_gr7.php
ovn_gr6.php
41 lines UTF-8 Windows (CRLF)
<?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>Grunder</title>
</head>
<body>
<?php
$primeArr = array();
for($x = 2; $x <= 100; $x++){
// Primtal måste vara över ett
$isPrime = true;
for ($i = 0; $i < count($primeArr); $i++){
if($x % $primeArr[$i] == 0){
$isPrime = false;
break;
}
}
if ($isPrime){
$primeArr[] = $x;
}
}
echo("Här är " . count($primeArr) . " primtal<br>");
for ($i = 0; $i < count($primeArr); $i++){
echo($primeArr[$i] . "<br>");
}
?>
</body>
</html>