<?php
function recurs($first, $last)
{
if ($first % 2 != 0) {
echo "{$first}<br>";
}
if ($first < $last) {
$first++;
recurs($first, $last);
}
}
recurs(8, 16);
?>
<h1>7 </h1>
<?php
function palindrom($string)
{
$string = mb_strtolower($string);
$reString = strrev($string);
if ($reString == $string) {
echo "TRUE";
} else {
echo "FALSE";
}
}
palindrom("Civic");
?>
</body>
</html>
<?php
$string = $_POST["string"];
function utf8_strrev($str)
{
preg_match_all('/./us', $str, $ar);
return join('', array_reverse($ar[0]));
}
function palindrom($string)
{
$string = str_replace(" ", "", $string);
if ($string == utf8_strrev($string)) {
return true;
} else {
return false;
}
}
if (palindrom($string) == true) {
echo "Da, '" . $string . "' je palindrom";
} else {
echo "Ne, '" . $string . "' ni palindrom";
}
function palindrom(&$n)
{
$length = strlen($n) - 1;
if ($length === 0) {
return "Yes";
} elseif ($n[$length] === $n[0]) {
$num = substr($n, 1, $length - 1);
$n = $num;
return palindrom($n);
} else {
return "No";
}
}
function palindrom($str)
{
static $a = 0;
$z = strlen($str) - 1 - $a;
static $res = true;
if ($a < $z) {
if ($str[$a] != $str[$z]) {
$res *= false;
}
$a++;
palindrom($str);
}
return $res;
}
