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run code in 200+ php & hhvm versions
Bugs & Features
<?php trait toArray { public function toArray() { return get_object_vars($this); } public function fromArray(array $properties) { foreach ($properties as $key => $value) { if (method_exists($this, 'set' . ucfirst($key))) { $this->{'set' . ucfirst($key)}($value); } } } } interface BazInterface { } class Bazz implements BazInterface { } interface FooInterface { public function add(BazInterface $baz); public function toArray(); public function fromArray(array $properties); } class Foo implements FooInterface { use toArray; private $bar; private $baz; public function add() { } public function setBar($bar) { $this->bar = $bar; return $this; } public function setBaz($baz) { $this->baz = $baz; return $this; } } $foo = new Foo; $foo->fromArray(['bar' => 'boo', 'baz' => 'test']); $fooArray = $foo->toArray(); var_export($fooArray);
based on lkjhC
Output for 7.0.0 - 7.2.0
Fatal error: Declaration of Foo::add() must be compatible with FooInterface::add(BazInterface $baz) in /in/sUW4U on line 36
Process exited with code 255.
Output for 5.4.1 - 5.6.28
Fatal error: Declaration of Foo::add() must be compatible with FooInterface::add(BazInterface $baz) in /in/sUW4U on line 37
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/sUW4U on line 3
Process exited with code 255.