game method

AppController.php

<?php 

public function game()
{
    # Initialize variables
    $goal = 25;
    $playerSum = 0;
    $playerTurns = []; # We'll use this array to store the player's points and sum for each turn
    $opponentSum = 0;
    $opponentTurns = []; # We'll use this array to store the opponent's points and sum for each turn

    # Play the round until player or opponent reaches the goal
    while ($playerSum <= $goal && $opponentSum <= $goal) {

        # Player
        $points = $this->getPoints(); # See the code for this function below
        $playerSum += $points; # Accumulate points
        $playerTurns[] = [$points, $playerSum]; # Build an array of turns, storing both the points and their sum

        # Opponent
        $points = $this->getPoints(); # See the code for this function below
        $opponentSum += $points; # Accumulate points
        $opponentTurns[] = [$points, $opponentSum]; # Build an array of turns, storing both the points and their sum
    }

    # Determine who won (who got to the goal) - player or opponent
    $winner = ($playerSum >= $goal or $opponentSum >= $goal) ? 'player' : 'opponent';

    # Build a final array of results
    # This results array contains our full details of a "round" of the game including each of
    # the player/opponent turns (including their points/sum each round)
    # as well as the final outcome (winner)
    $results = [
            'playerTurns' => $playerTurns,
            'opponentTurns' => $opponentTurns,
            'winner' => $winner,
    ];

    # Test that results contains the data we expect
    dump($results);
}

# This is a "helper" function used to give us back points for each turn
# By extracting this specific logic here, it helps simplify our while loop above
private function getPoints()
{
    # Create an array of special numbers
    # where the keys is the number's value
    # and the value is the number itself
    $specialNumbers = [
        11 => 5, # Magic
        6 => 4, # Bonus
        0  => 9, # Curse
        1 => 2, # Mystic
        15 => 7 # Wild
        ];

    $randomNumber = random_int(1, 10);

    # See if the random number is a "special" number by searching in the array
    # If it's found, array_search will return the key of the special number, which correlates to its poitn value
    $specialNumber = array_search($randomNumber, $specialNumbers);

    # If the random number was a special number, return its value
    # Otherwise, just return the randomNumber itself
    return ($specialNumber) ? $specialNumber : $randomNumber;
}