<?php class Amount { var $amount; } class TaxedAmount extends Amount { var $rate; function __toString() { 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.";
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Value for `_results` contains invalid data `array`