Online PHP editor | output for Hm6kS

@ 2020-03-30T20:38:05Z

<?php


class A {
    protected $c;
    protected $d;
    public function set(B $test) {
        static $testMap = [];
        if (empty($testMap)) {
            $testMap = [
                C::class => 'setC', // only need to know which method to call
                D::class => 'setD', //
            ];
        }
        if ($test === null) {
            return;
        }
        $testType = get_class($test);
        if (!array_key_exists($testType, $testMap)) {
            throw new InvalidArgumentException(
                sprintf(
                    "Encountered unexpected body type (%s) that isn't supported",
                    $testType
                )
            );
        }
        call_user_func([$this, $testMap[$testType]], $test); // uses $this to call the method on this object
        // alternatively, $this->{$testMap[$testType]}($test);
    }

    /**
     * @param C|null $c
     */
    public function setC(C $c = null)
    {
        $this->c = $c;
    }

    /**
     * @param D|null $d
     */
    public function setD(D $d = null)
    {
        $this->d = $d;
    }

}

abstract class B {
    protected $data;
    public function __construct($q = '')
    {
        $this->data = $q;
    }
}

class C extends B {
}

class D extends B {}


$a1 = new A;
$a1->set(new C("test c1"));
var_dump($a1);

$a2 = new A;
$a2->set(new C("test c2"));
var_dump($a2);

$a3 = new A;
$a3->set(new C("test c3"));
var_dump($a3);

Output for 8.4.1 - 8.4.14: Deprecated: A::setC(): Implicitly marking parameter $c as nullable is deprecated, the explicit nullable type must be used instead in /in/Hm6kS on line 34 Deprecated: A::setD(): Implicitly marking parameter $d as nullable is deprecated, the explicit nullable type must be used instead in /in/Hm6kS on line 42 object(A)#1 (2) { ["c":protected]=> object(C)#2 (1) { ["data":protected]=> string(7) "test c1" } ["d":protected]=> NULL } object(A)#3 (2) { ["c":protected]=> object(C)#4 (1) { ["data":protected]=> string(7) "test c2" } ["d":protected]=> NULL } object(A)#5 (2) { ["c":protected]=> object(C)#6 (1) { ["data":protected]=> string(7) "test c3" } ["d":protected]=> NULL }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26: object(A)#1 (2) { ["c":protected]=> object(C)#2 (1) { ["data":protected]=> string(7) "test c1" } ["d":protected]=> NULL } object(A)#3 (2) { ["c":protected]=> object(C)#4 (1) { ["data":protected]=> string(7) "test c2" } ["d":protected]=> NULL } object(A)#5 (2) { ["c":protected]=> object(C)#6 (1) { ["data":protected]=> string(7) "test c3" } ["d":protected]=> NULL }

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