div() public method

public div ( $a, $b )
Calculator Class Documentation
示例#1
0
    }
    function div()
    {
        $this->result = $this->fristnumb / $this->nextnumb;
        echo $this->result;
    }
}
$num1 = $_POST['num1'];
$num2 = $_POST['num2'];
$char = $_POST['char'];
switch ($char) {
    case '+':
        $add = new Calculator($num1, $num2);
        $add->add();
        break;
    case '-':
        $sub = new Calculator($num1, $num2);
        $sub->sub();
        break;
    case '*':
        $mul = new Calculator($num1, $num2);
        $mul->mul();
        break;
    case '/':
        $div = new Calculator($num1, $num2);
        $div->div();
        break;
    default:
        echo "输入有误";
        break;
}
示例#2
0
	<form method="post">
		<input type="number" name="number1">
		<input type="text" name="operator">
		<input type="number" name="number2">
		<input type="submit" name="calculator" value="Calculate">
	</form>
	<?php 
$calculator1 = new Calculator();
if (isset($_POST['calculator'])) {
    $number1 = $_POST['number1'];
    $number2 = $_POST['number2'];
    $operator = $_POST["operator"];
    if ($operator == "+") {
        $calculator1->add($number1, $number2);
        echo $calculator1->getResult();
    } elseif ($operator == "-") {
        $calculator1->sub($number1, $number2);
        echo $calculator1->getResult();
    } elseif ($operator == "/") {
        $calculator1->div($number1, $number2);
        echo $calculator1->getResult();
    } elseif ($operator == "*") {
        $calculator1->mul($number1, $number2);
        echo $calculator1->getResult();
    } else {
        echo "Invalid operator";
    }
}
?>
</body>
</html>
示例#3
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    public function div($value)
    {
        return $this->answer /= (double) $value;
    }
    public function clear()
    {
        $this->answer = 0;
    }
    public function eq()
    {
        return $this->answer;
    }
}
// Spl auto loader
require 'SplClassLoader.php';
$loader = new SplClassLoader(null, implode(DIRECTORY_SEPARATOR, array(__DIR__, '..', 'src')));
$loader->register();
// Calculator
$calc = new Calculator();
$calc->add(15);
// answer = 15
$calc->mul(3);
// answer = 45
$calc->div(9);
// answer = 5
echo $calc->eq();
// prints 5
echo "\n";
// Implement calculator chain
$chain = new \Chainnn\Chain($calc, array('add', 'sub', 'mul', 'div', '^clear', '$eq'));
echo $chain->clear()->add(100)->div(5)->sub(10)->mul(3)->eq();
示例#4
0
<?php

require_once 'calc.php';
describe('calculator', function () {
    $calc;
    beforeEach(function () use(&$calc) {
        $calc = new Calculator();
    });
    describe('adds', function () use(&$calc) {
        it('positive numbers', function () use(&$calc) {
            expect($calc->add(1, 2))->toBe(3);
        });
        it('negative numbers', function () use(&$calc) {
            expect($calc->add(-4, -5))->toBe(-9);
        });
        it('with zero', function () use(&$calc) {
            expect($calc->add(0, 10))->toBe(10);
        });
    });
    describe('divides', function () use(&$calc) {
        it('positive numbers', function () use(&$calc) {
            expect($calc->div(8, 2))->toBe(4);
        });
        it('throws on division by zero', function () use(&$calc) {
            expect(function () use(&$calc) {
                $calc->div(1, 0);
            })->toThrow();
        });
    });
});