<?php
/*
Challenge 2: Implement AnswerInterface and get Question to echo "4".
*/
class Question
{
public function __construct(AnswerInterface $answer)
{
echo "What is 2 + 2?\n";
$anaaswer = $answer->get()->the()->_answer();
if ($answer instanceof AnswerInterface) {
echo $anaaswer . PHP_EOL;
}
}
}
interface AnswerInterface
{
public function get();
public function the();
public function answer();
}
// start editing here
class Answer implements AnswerInterface
{
public function get()
{
return $this;
}
public function the()
{
return $this;
}
public function _answer()
{
return 4;
}
}
// end editing here
$answer = new Answer;
$question = new Question($answer);
Fatal error: Class Answer contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (AnswerInterface::answer) in /in/vkYam on line 25
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Fatal error: Class Answer contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (AnswerInterface::answer) in /in/vkYam on line 25
Process exited with code 255.
Fatal error: Class Answer contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (AnswerInterface::answer) in /in/vkYam on line 41
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class Answer contains 1 abstract methods and must therefore be declared abstract (AnswerInterface::answer) in /in/vkYam on line 41
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/vkYam on line 8
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/vkYam on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/vkYam on line 8
Process exited with code 255.