global $arr;
$check_numbers = array(146, 284, 871);
foreach ($check_numbers as $elem) {
if (!in_array($elem, $arr)) {
echo "The number {$elem} [does not] exist in the array <br />";
}
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<style type="text/css">
span {
color:red;
}
</style>
</head>
<body>
<?php
print_r(find_3_prime());
echo "<br />";
print_r($arr);
echo "<br />";
print_r(check_exists());
?>
</body>
</html>
if (is_prime($value)) {
$i++;
}
if ($i == 3) {
return $value;
break;
}
}
if ($i < 3) {
return "not found";
}
}
function check_exists($ar)
{
$s = "The number %d %s exist in the array.<br>";
$array = array(146, 284, 871);
foreach ($array as $value) {
if (in_array($value, $ar)) {
printf($s, $value, "");
} else {
printf($s, $value, "does not");
}
}
}
printf("Third prime number: %s <br>", find_3_prime($arr));
check_exists($arr);
?>
</body>
</html>
<?php
error_reporting(E_ALL);
require_once 'functions.php';
$numbers = range(20, 1000, 37);
find_3_prime($numbers);
check_exists($numbers);
function find_3_prime($numbers)
{
$primesCount = 0;
foreach ($numbers as $number) {
if (is_prime($number)) {
$primesCount++;
}
if ($primesCount == 3) {
echo "{$number}<br />";
break;
}
}
}
function check_exists($numbers)
{
$toCeck = array(146, 284, 871);
foreach ($toCeck as $number) {
$not = in_array($number, $numbers) ? '' : ' does not';
echo "The number {$number}{$not} exists in the array.<br />";
}
}
