public function testShouldBeAbleToDivide()
{
$pushvalue = 12;
$pushvalue2 = 2;
$stack = new OperandStack();
$stack->push($pushvalue);
$stack->push($pushvalue2);
$op = new Divide();
$op->execute($stack);
$this->assertEquals(6, $stack->peek());
}
public function __construct($node, $parent)
{
parent::__construct($node, $parent);
self::$possible_attributes = array_merge(parent::$possible_attributes, self::$possible_attributes);
self::$required_attributes = array_merge(parent::$required_attributes, self::$required_attributes);
self::$possible_children = array_merge(parent::$possible_children, self::$possible_children);
self::$required_children = array_merge(parent::$required_children, self::$required_children);
}
public function apply()
{
return $this->_a + $this->_b;
}
}
class Divide extends Computation
{
public function apply()
{
return $this->_a / $this->_b;
}
}
$add = new Add(5, 5);
println($add->apply());
//->10
$divide = new Divide(5, 5);
println($divide->apply());
//->1
function apply(callable $operator)
{
return function ($a, $b) use($operator) {
return $operator($a, $b);
};
}
$add = function ($a, $b) {
return $a + $b;
};
$divide = function ($a, $b) {
return $a / $b;
};
apply($add)(5, 5);
