function power($x, $y)
{
if ($y) {
return $x;
} else {
return $x * power($x, $y - 1);
}
}
function power($val, $pow)
{
if ($pow == 0) {
return 1;
} elseif ($pow == 1) {
return $val;
} else {
return $val * power($val, $pow - 1);
}
}
function power($x, $y)
{
if (!$y) {
return 1;
}
if ($y) {
return $x;
} else {
return $x * multiply($x, power($x, $y - 1));
}
}
/**
*1) Recursive relation
*
* n ^ m = n * n ^ m -1
* n * m = n + n * (m - 1);
* 2) Bottom
* m == 1 -> n
* m == 1 -> n
* 3) Step
* -1
*/
function power($n, $m)
{
if ($m < 0) {
return 0;
}
if ($m == 0) {
return 1;
}
if ($m == 1) {
return $n;
}
return multiply(power($n, $m - 1), $n);
}
function power($n)
{
if ($n == 1) {
echo 'yes';
return;
}
if ($n % 2 != 0) {
echo 'no';
return;
}
power($n / 2);
return $n;
}
function power($a, $n)
{
if ($n == 0) {
return 1;
}
if ($n % 2 == 0) {
$m = power($a, $n / 2);
return $m * $m;
} else {
$x = power($a, $n - 1);
return $a * $x;
}
$x = 10;
return;
}
function power($n, $p)
{
if ($p == '0') {
return '1';
} else {
if ($p == '1') {
return bcmod($n, '10');
} else {
if (bcmod($p, '2') != '0') {
return bcmod(bcmul(bcmod($n, '10'), power(bcmod(bcmul($n, $n), '10'), bcdiv(bcsub($n, '1'), '2'))), '10');
} else {
return bcmod(power(bcmod(bcmul($n, $n), '10'), bcdiv($p, '2')), '10');
}
}
}
}
function cosinus($x, $iterNum)
{
$cos = 0;
$k = 2;
//początkowa wartość dla silni i wykladnka potegi
for ($i = 1; $i <= $iterNum; $i++) {
$zm = power($x, $k) / factorial($k);
//wyliczenie potega/silnia
if ($i % 2 == 1) {
$zm = $zm * -1;
//zmiana znaków co drugi raz
}
$x += 2;
$cos = $cos + $zm;
}
return $cos + 1;
}
function tm($cnt)
{
global $site;
if ($cnt === 'site_logo') {
echo $site['site_logo'];
} elseif ($cnt === 'site_name') {
echo $site['site_name'];
} elseif ($cnt === 'power') {
power();
} elseif ($cnt === 'title') {
if (isset($_SESSION['pagetitle']) and !is_null($_SESSION['pagetitle'])) {
echo $_SESSION['pagetitle'];
} else {
echo $site['site_name'];
}
} elseif ($cnt === 'footer') {
if (is_logged()) {
} else {
echo 'Copyright © ' . date("Y") . ' ' . $site['name'];
}
} elseif ($cnt === 'menu') {
if (!is_logged()) {
echo url('account/login', t('Login')) . " \n";
echo url('account/signup', t('Cadastro'));
} else {
$qry = mysql_query("SELECT item,url FROM cfg_menu ORDER BY `order`");
echo url("home", t("Home")) . " \n";
if (mysql_num_rows($qry) != 0) {
while ($row = mysql_fetch_array($qry)) {
echo url($row['url'], t($row['item'])) . " \n";
}
}
if (is_admin()) {
echo url("admin", t("Administração")) . " \n";
}
echo url("account/modify", t("Minha conta")) . " \n";
echo url("account/logout", t("Sair")) . " \n";
}
} elseif ($cnt === 'content') {
echo $_SESSION['swout'];
} elseif ($cnt === 'head') {
echo $_SESSION['swhead'];
}
}
function checkpower($p, $T = "Permission_Denied", $url = "admincp.php?do=home")
{
global $admin;
if (is_array($p)) {
$__power__ = TRUE;
foreach ($p as $__p__) {
if (power($__p__)) {
$__power__ = FALSE;
break;
}
}
} else {
$__power__ = !power($p);
}
if ($__power__) {
redirect(lang($T), $url);
exit;
}
}
function power($val, $pow)
{
if ($pow === 0) {
return 1;
} elseif ($pow > 0) {
return $val * power($val, --$pow);
} else {
$pow *= -1;
return 1 / power($val, $pow);
}
}
}
echo cube(3)."<br>";
echo cube(5)."<br>";
echo cube(2)."<br>";
?>
</p>
<p>
<?php
function power($num, $pow) {
return "$num^$pow is ". pow($num, $pow);
}
echo power(2,3)."<br>";
echo power(3,4)."<br>";
echo power(15,15)."<br>";
?>
</p>
<p>
<?php
function printRandomGreeting($person) {
$greetings = array("Hi, ","Hello, ",'How are you, ', 'Nice to meet you ');
$k = rand(0,3);
return $greetings[$k].$person;
}
echo printRandomGreeting("Simon");
?>
</p>
}
?>
<?php
if (power("menu_advertise")) {
?>
<li><a href="admincp.php?do=advertise" target="main">广告管理</a></li><?php
}
?>
<?php
if (power("menu_message")) {
?>
<li><a href="admincp.php?do=message" target="main">留言管理</a></li><?php
}
?>
<?php
if (power("menu_cache")) {
?>
<li><a href="admincp.php?do=cache" target="main">更新缓存</a></li><?php
}
?>
</ul>
</div>
<div class="cmain" id="cmain"></div>
<div class="cfixbd"></div>
</div>
<script type="text/JavaScript">
//var headers = new Array('index', 'setting', 'article', 'user', 'database', <?php
if ($DreamCMS->config['ishtm']) {
?>
'html',<?php
}
<?php
/*
* DreamArticle Version3.0
* Copyright 2007-2008, iDreamSoft
* http://www.idreamsoft.cn
* By:coolmoo<*****@*****.**>
*/
!defined('DCPATH') && exit('What are you doing?');
foreach ($menu_array as $key => $menus) {
if (power($key)) {
echo '<ul id="menu_' . $key . '" style="display: none">';
foreach ($menus as $k => $url) {
if (power($k)) {
echo '<li><a id="' . $k . '" href="' . (substr($url, 0, 4) == 'http' ? $url : 'admincp.php?do=' . $url) . '" target="main">' . lang($k) . '</a></li>';
}
}
echo '</ul>';
}
}
/**
* Recursive function which accepts 2 parameter, and returns the value of the first parameter to the power of the second.
*
* @param int $num1
* @param int $num2
* @return int
*/
function power($num1, $num2)
{
if ($num2 == 0) {
return 1;
}
if ($num2 == 1) {
return $num1;
}
// echo " return $num1 * power($num1, $num2-1)<br>"; //Debug Info
return $num1 * power($num1, $num2 - 1);
}
<?php
//function hw answers
function cube($num) {
return $num*$num*$num;
}
echo cube(3);
echo "<br>";
echo cube(9);
echo "<br><br>";
function power($num,$to) {
$result = 1;
for ($k=0; $k<$to; $k++)
$result = $result*$num;
return $result;
}
echo power(3,5);
echo "<br>";
echo power (2,3);
echo "<br><br>";
function pRG($person) {
$greetings = array ("hi ", "hello ", "hola ");
$index = rand(0, count($greetings)-1);
$myGreeting=$greetings[$index];
echo $myGreeting. $person;
}
?>
function power($val, $pow)
{
if ($pow == 0) {
return 1;
}
if ($pow >= 1) {
if ($pow == 1) {
return $val;
} else {
return $val * power($val, $pow - 1);
}
} else {
if ($pow < 0) {
return 1 / power($val, -$pow);
}
}
}
function power($val, $pow)
{
$pow = (int) $pow;
if (0 == $val) {
return 0;
}
if (0 == $pow) {
return 0;
} elseif (1 == $pow) {
return $val;
} elseif (-1 == $pow) {
return 1 / $val;
} elseif (0 < $pow) {
return power($val, $pow - 1) * $val;
} elseif (0 > $pow) {
return power($val, $pow + 1) / $val;
}
}
function power($val, $pow)
{
if ($pow == 0) {
return 1;
}
return $val * power($val, $pow - 1);
}