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<?php declare(strict_types=1); class Amount { var $amount; } class TaxedAmount extends Amount { var $rate; function __toString(): float { return $this->amount * $this->rate; } } $item = new TaxedAmount; $item->amount = 242.0; $item->rate = 1.13; echo "You owe me $" . $item->__toString() . " for this answer.";
Output for 8.5.0 - 8.5.3
Fatal error: TaxedAmount::__toString(): Return type must be string when declared in /in/AbObF on line 8 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.0.14 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Fatal error: TaxedAmount::__toString(): Return type must be string when declared in /in/AbObF on line 8
Process exited with code 255.
Output for 8.0.0 - 8.0.13
Fatal error: Declaration of TaxedAmount::__toString(): float must be compatible with Stringable::__toString(): string in /in/AbObF on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
You owe me $273.46 for this answer.
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