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Bugs & Features
<?php /* Challenge 2: Implement AnswerInterface and get Question to echo "4". */ class Question { public function __construct(AnswerInterface $answer) { echo "What is 2 + 2?\n"; $answer = $answer->get()->the()->answer(); if ($answer instanceof AnswerInterface) { echo $answer . PHP_EOL; } } } interface AnswerInterface { public function get(); public function the(); public function answer(); } // start editing h class Answer implements AnswerInterface { public static function get() { return new self(); } public function the() { return new -self(); } public function answer() { return 4; } } // end editing here $answer = new Answer; $question = new Question($answer);
Output for 5.3.0 - 5.4.25
Parse error: syntax error, unexpected '-' in /in/oXmma on line 39
Process exited with code 255.