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<?php abstract class ParentTest { public static function fromDB(string $name = '') { $instance = new static(); if (!empty($name)) { $instance->setName($name)->read(); } return $instance; } public abstract function read(); public abstract function setName(string $name): self; } class Child extends ParentTest { public function read() { } public function setName(string $name) :ParentTest { return $this; } } $child = new Child();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
Output for 5.6.0 - 5.6.40
Fatal error: Default value for parameters with a class type hint can only be NULL in /in/IYf0Q on line 5
Process exited with code 255.
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96.35 ms | 406 KiB | 5 Q