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<?php class Cl { public function scalar(): void { static $counter = 0; $counter++; var_dump($counter); } public function obj(): void { static $counter = new class() { public int $n = 0; }; $counter->n++; var_dump($counter->n); } } $o = new Cl(); $o->scalar(); $o->scalar(); $o->obj(); $o->obj(); $o = new class() extends Cl {}; $o->scalar(); $o->obj();
Output for 8.1.0 - 8.1.12, 8.2.7
Fatal error: Cannot use anonymous class in constant expression in /in/gTufh on line 15
Process exited with code 255.
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.25
Fatal error: Constant expression contains invalid operations in /in/gTufh on line 15
Process exited with code 255.
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