Online PHP editor | output for 0SOSA

@ 2015-09-20T22:07:32Z

<?php

interface SerializableInterface {}
interface SomeResizableInterface {}
interface IterableInterface {}
trait SomeSerializableTrait {function t2() {}  }
trait SomeOtherSerializableTrait { function t() {} }

class SomeContainer implements SerializableInterface, IterableInterface {
    use SomeSerializableTrait;
}

class SomeOtherContainer extends SomeContainer implements SomeResizableInterface {
    use SomeOtherSerializableTrait;
}

$someContainer = new SomeContainer;
testInterface($someOtherContainer);
$someOtherContainer = new SomeOtherContainer;

var_dump($someContainer instanceof SerializableInterface);
var_dump($someOtherContainer instanceof SerializableInterface);

var_dump($someOtherContainer instanceof SomeSerializableTrait);
var_dump($someOtherContainer instanceof SomeOtherSerializableTrait);

// type hint it
function testTrait(SomeSerializableTrait $container) {}
function testOtherTrait(SomeOtherSerializableTrait $container) {}
function testInterface(SomeResizableInterface $container) {}

testInterface($someOtherContainer);
testOtherTrait($someOtherContainer);
testTrait($someOtherContainer);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7: Warning: Undefined variable $someOtherContainer in /in/0SOSA on line 18 Fatal error: Uncaught TypeError: testInterface(): Argument #1 ($container) must be of type SomeResizableInterface, null given, called in /in/0SOSA on line 18 and defined in /in/0SOSA:30 Stack trace: #0 /in/0SOSA(18): testInterface(NULL) #1 {main} thrown in /in/0SOSA on line 30
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: someOtherContainer in /in/0SOSA on line 18 Fatal error: Uncaught TypeError: Argument 1 passed to testInterface() must implement interface SomeResizableInterface, null given, called in /in/0SOSA on line 18 and defined in /in/0SOSA:30 Stack trace: #0 /in/0SOSA(18): testInterface(NULL) #1 {main} thrown in /in/0SOSA on line 30
Process exited with code 255.
Output for 7.3.32 - 7.3.33: Fatal error: Uncaught TypeError: Argument 1 passed to testInterface() must implement interface SomeResizableInterface, null given, called in /in/0SOSA on line 18 and defined in /in/0SOSA:30 Stack trace: #0 /in/0SOSA(18): testInterface(NULL) #1 {main} thrown in /in/0SOSA on line 30
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38: Notice: Undefined variable: someOtherContainer in /in/0SOSA on line 18 Catchable fatal error: Argument 1 passed to testInterface() must implement interface SomeResizableInterface, null given, called in /in/0SOSA on line 18 and defined in /in/0SOSA on line 30
Process exited with code 255.

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