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php实现小游戏

2026-02-15 19:43:59PHP

以下是一些用PHP实现小游戏的常见方法和示例：

猜数字游戏

$target = rand(1, 100);
$guess = $_POST['guess'] ?? 0;

if ($guess > $target) {
    echo "Too high!";
} elseif ($guess < $target) {
    echo "Too low!";
} else {
    echo "You got it!";
}

井字棋游戏

session_start();
if (!isset($_SESSION['board'])) {
    $_SESSION['board'] = array_fill(0, 9, '');
}

if (isset($_GET['move'])) {
    $pos = $_GET['move'];
    if ($_SESSION['board'][$pos] === '') {
        $_SESSION['board'][$pos] = 'X';
        // AI move
        $empty = array_keys($_SESSION['board'], '');
        if (!empty($empty)) {
            $_SESSION['board'][$empty[array_rand($empty)]] = 'O';
        }
    }
}

function checkWinner($board) {
    $wins = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]];
    foreach ($wins as $win) {
        if ($board[$win[0]] && $board[$win[0]] === $board[$win[1]] && $board[$win[0]] === $board[$win[2]]) {
            return $board[$win[0]];
        }
    }
    return false;
}

记忆卡牌游戏

$cards = ['A','A','B','B','C','C','D','D'];
shuffle($cards);

if (isset($_POST['card1']) && isset($_POST['card2'])) {
    if ($cards[$_POST['card1']] === $cards[$_POST['card2']]) {
        echo "Match found!";
    } else {
        echo "Try again";
    }
}

贪吃蛇游戏基础

session_start();
if (!isset($_SESSION['snake'])) {
    $_SESSION['snake'] = [[5,5]];
    $_SESSION['direction'] = 'right';
    $_SESSION['food'] = [rand(0,9), rand(0,9)];
}

if (isset($_GET['dir'])) {
    $_SESSION['direction'] = $_GET['dir'];
}

// Move snake
$head = $_SESSION['snake'][0];
switch ($_SESSION['direction']) {
    case 'up': $new = [$head[0], $head[1]-1]; break;
    case 'down': $new = [$head[0], $head[1]+1]; break;
    case 'left': $new = [$head[0]-1, $head[1]]; break;
    case 'right': $new = [$head[0]+1, $head[1]]; break;
}
array_unshift($_SESSION['snake'], $new);

// Check collision
if ($head[0] < 0 || $head[0] > 9 || $head[1] < 0 || $head[1] > 9) {
    session_destroy();
    echo "Game Over";
}