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<?php abstract class AbstractFoo { public $bar; public function __construct() { $this->bar = static::BAR; } } class Foo extends AbstractFoo { //const BAR = 'foobar'; } $foo = new Foo; //Fatal Error: Undefined class constant 'BAR' (uncomment const BAR = 'foobar';) echo $foo->bar;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant Foo::BAR in /in/UJbip:8 Stack trace: #0 /in/UJbip(17): AbstractFoo->__construct() #1 {main} thrown in /in/UJbip on line 8
Process exited with code 255.

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