phpmyadmin / simple-math

*/

namespace SimpleMath\Expressions;

abstract class Comparison extends Operator {

    protected $precidence = 3;

    public function operate(\SimpleMath\Stack $stack, $variables=array())

    {

        $right = $stack->pop()->operate($stack, $variables);

        $left = $stack->pop()->operate($stack, $variables);

        return $this->cmp($left, $right) ? 1 : 0;

    }

    abstract protected function cmp($left, $right);

}

*/

namespace SimpleMath\Expressions;

class Division extends Operator {

    protected $precidence = 5;

    public function operate(\SimpleMath\Stack $stack, $variables=array()) {

        $left = $stack->pop()->operate($stack, $variables);

        $right = $stack->pop()->operate($stack, $variables);

        return $right / $left;

    }

}

*/

namespace SimpleMath\Expressions;

class Modulo extends Operator {

    protected $precidence = 5;

    public function operate(\SimpleMath\Stack $stack, $variables=array()) {

        $left = $stack->pop()->operate($stack, $variables);

        $right = $stack->pop()->operate($stack, $variables);

        return $right % $left;

    }

}