Пример простого класса на php с конструктором
<?
class Example
{
private $var1;
private $var2;
private $var3;
public function __construct($var1, $var2, $var3)
{
$this->var1 = $var1;
$this->var2 = $var2;
$this->var3 = $var3;
}
public function Example_function_sum()
{
$sum = $this->var1 + $this->var2 + $this->var3;
return $sum;
}
}
$a = (new Example(1, 2, 3))->Example_function_sum();
echo $a;
?>