/
matematica.php
166 lines (107 loc) · 1.99 KB
/
matematica.php
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<?
//$a=6;
//$b=2;
//echo "6 elevato a 2 =";
//echo pow($a,$b);
?>
<html>
<form method="get">
<input name="var" type="text"></input>
<input type="submit"/>
</form>
</html>
<?php
//extract($_GET);
//include "mate.php";
//if(isset($var)){
//modulo($var);
?>
<br />
----------------esercizio4-------------------
<br />
<?php
$a=5;
$b=6;
$c=4;
echo ($a*$b/100+$c);
?>
<html>
<form method="get">
<input name="price" type="text"></input>
<input name="tax" type="text"></input>
<input name="receipt" type="text"></input>
<input type="submit"/>
</form>
</html>
<?php
function iva($a,$b){
$risultato =$a+(($a*$b)/100);
return $risultato ;
}
$a= $_GET["price"];
$b=$_GET["tax"];;
//$c=$_GET["receipt"];;
echo $prezzo = iva($a,$b)."<br />"."<br />";
//echo $risultato= $a+(($a*$b)/100);
?>
----------esercizio 5----------------------------
<html>
//<form method="get">
<input name="price" type="text"></input>
<input name="tax" type="text"></input>
<!--<input name="receipt" type="text"></input> -->
<input type="submit"/>
</form>
</html>
//<?
$a= $_GET["price"];
$b=$_GET["tax"];;
list($a,$b) = array($b,$a);
echo $a."</br>".$b ."<br />";
?>
-----------esercizio2-------
<?php
$numero= -5;
function modulo($numero){
if ($numero <0) {
$numero = -$numero;
}
return $numero;
}
$num=-5;
$result =modulo($num);
echo 8+ $result ;
?>
----------esercizio2 con CLASSI modulo-------
<?php
class Numero
{
private $n;
public function __construct($numero)
{
$this->n=$numero;
}
public function modulo()
{
if ($this->n <0)
{
return - $this->n;
}
return $this->n;
}
public function somma($b){
return $this->n + $b;
}
public function sommaOggetto($b){
$ris = $this->n + $b->n;
return new Numero($ris);
}
}
/*istanzio nuovo oggetto di vlasse numero */
$a= new Numero (-5);
$b= new Numero(100);
/*eseguo modulo sull'oggetto di tipo numro */
echo "<br/>";
echo "Modulo= " . $a->modulo() . "<br/>";
echo "Somma= " . $a->somma(90) . "<br/>";
?>