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<?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 here class Answer implements AnswerInterface { public function __toString() { return "4" } public function get() { return new Answer();} public function the() { return new Answer();} public function answer() { return new Answer();} } // end editing here $answer = new Answer; $question = new Question($answer);
Output for 5.3.0 - 5.4.27
Parse error: syntax error, unexpected '}' in /in/tIYem on line 31
Process exited with code 255.