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run code in 200+ php & hhvm versions
Bugs & Features
<?php abstract class Foo { abstract protected static function things(); protected $t; protected function __construct($t) { $this->t = $t; } public function getT() { return $this->t; } public static function all() { return array_map(function($t) { return new static($t); }, static::things()); } } class Bar extends Foo { protected static function things() { return [10, 20, 30]; } } $bars = Bar::all(); foreach ($bars as $bar) { echo $bar->getT()."\n"; }
based on 7hCu7
Output for 7.0.0 - 7.2.0
10 20 30
Output for 5.4.30 - 5.6.21
Strict Standards: Static function Foo::things() should not be abstract in /in/LoBCV on line 4 10 20 30
Output for 5.4.2 - 5.4.29
Strict Standards: Static function Foo::things() should not be abstract in /in/LoBCV on line 4 Fatal error: Cannot instantiate abstract class Foo in /in/LoBCV on line 15
Process exited with code 255.
Output for 5.3.17 - 5.3.29
Strict Standards: Static function Foo::things() should not be abstract in /in/LoBCV on line 4 Parse error: syntax error, unexpected '[' in /in/LoBCV on line 21
Process exited with code 255.