PHPでターミナルにカラー付きテキストを表示する方法を解説！ANSIエスケープコードの使い方

echo "\033[31mHello, World!\033[0m\n";

echo "\033[1;32mBold and Green Text\033[0m\n";

function colorText($text, $colorCode) {
    return "\033[" . $colorCode . "m" . $text . "\033[0m";
}

echo colorText("This is blue text", "34");

echo "\033[1;34mBold Blue Text\033[0m\n";

echo "\033[1;31;43mBold Red on Yellow Background\033[0m\n";

echo "\033[31mError: Something went wrong!\033[0m\n";
echo "\033[32mSuccess: Operation completed successfully.\033[0m\n";

echo "\033[1;33mWarning:\033[0m \033[4;34mDisk space is running low.\033[0m\n";

echo "\033[32m[OK]\033[0m Database connection established.\n";
echo "\033[31m[FAIL]\033[0m Unable to find configuration file.\n";
echo "\033[33m[WARN]\033[0m Low memory warning.\n";

define('COLOR_RED', "\033[31m");
define('COLOR_GREEN', "\033[32m");
define('COLOR_RESET', "\033[0m");

echo COLOR_RED . "This is a red message." . COLOR_RESET . "\n";
echo COLOR_GREEN . "This is a green message." . COLOR_RESET . "\n";

function logMessage($level, $message) {
    switch ($level) {
        case 'ERROR':
            $color = "\033[31m"; // 赤
            break;
        case 'WARNING':
            $color = "\033[33m"; // 黄
            break;
        case 'INFO':
            $color = "\033[34m"; // 青
            break;
        case 'SUCCESS':
            $color = "\033[32m"; // 緑
            break;
        default:
            $color = "\033[0m"; // リセット（デフォルト）
    }
    echo $color . "[$level] " . $message . "\033[0m\n";
}

// 使用例
logMessage('ERROR', 'Failed to connect to the database.');
logMessage('WARNING', 'Low disk space remaining.');
logMessage('INFO', 'User login successful.');
logMessage('SUCCESS', 'Data saved successfully.');

function logMessageWithTimestamp($level, $message) {
    $timestamp = date('Y-m-d H:i:s');
    switch ($level) {
        case 'ERROR':
            $color = "\033[31m"; // 赤
            break;
        case 'WARNING':
            $color = "\033[33m"; // 黄
            break;
        case 'INFO':
            $color = "\033[34m"; // 青
            break;
        case 'SUCCESS':
            $color = "\033[32m"; // 緑
            break;
        default:
            $color = "\033[0m"; // リセット（デフォルト）
    }
    echo $color . "[$timestamp] [$level] " . $message . "\033[0m\n";
}

// 使用例
logMessageWithTimestamp('ERROR', 'Failed to connect to the database.');
logMessageWithTimestamp('WARNING', 'Low disk space remaining.');
logMessageWithTimestamp('INFO', 'User login successful.');
logMessageWithTimestamp('SUCCESS', 'Data saved successfully.');

function logMessageWithFile($level, $message, $filePath) {
    $timestamp = date('Y-m-d H:i:s');
    $logEntry = "[$timestamp] [$level] $message\n";

    // ファイルへの書き込み
    file_put_contents($filePath, $logEntry, FILE_APPEND);

    // カラフルなターミナル出力
    logMessageWithTimestamp($level, $message);
}

// 使用例
$logFile = 'app.log';
logMessageWithFile('ERROR', 'Failed to connect to the database.', $logFile);
logMessageWithFile('INFO', 'User logged in successfully.', $logFile);

echo "\033[1;34;4;43mBold, Blue, Underlined Text on Yellow Background\033[0m\n";

function colorize($text, $foreground = null, $background = null, $options = []) {
    $codes = [];

    // 前景色の設定
    if ($foreground !== null) {
        $codes[] = $foreground;
    }

    // 背景色の設定
    if ($background !== null) {
        $codes[] = $background;
    }

    // オプション（太字、下線など）の設定
    foreach ($options as $option) {
        $codes[] = $option;
    }

    // ANSIエスケープシーケンスの作成
    $codeString = implode(';', $codes);
    return "\033[" . $codeString . "m" . $text . "\033[0m";
}

// 使用例
echo colorize("Dynamic Red Text with Yellow Background", "31", "43", ["1"]);
echo "\n";
echo colorize("Underlined Green Text", "32", null, ["4"]);

const COLORS = [
    'black' => '30',
    'red' => '31',
    'green' => '32',
    'yellow' => '33',
    'blue' => '34',
    'magenta' => '35',
    'cyan' => '36',
    'white' => '37',
];

const BACKGROUNDS = [
    'black' => '40',
    'red' => '41',
    'green' => '42',
    'yellow' => '43',
    'blue' => '44',
    'magenta' => '45',
    'cyan' => '46',
    'white' => '47',
];

const STYLES = [
    'bold' => '1',
    'underline' => '4',
    'reversed' => '7',
];

// 使用例
echo colorize("Custom Style Text", COLORS['red'], BACKGROUNDS['yellow'], [STYLES['bold'], STYLES['underline']]);
echo "\n";

$text = "Animating Text";
$colors = ["31", "32", "33", "34", "35", "36", "37"];

for ($i = 0; $i < strlen($text); $i++) {
    $color = $colors[$i % count($colors)];
    echo "\033[" . $color . "m" . $text[$i] . "\033[0m";
    usleep(100000); // 0.1秒の遅延
}

echo "\n";

function supportsAnsiColors() {
    return (DIRECTORY_SEPARATOR !== '\\' || getenv('ANSICON') !== false || getenv('WT_SESSION') !== false);
}

if (supportsAnsiColors()) {
    echo "\033[32mThis terminal supports ANSI colors.\033[0m\n";
} else {
    echo "This terminal does not support ANSI colors.\n";
}

function printColoredText($text, $colorCode) {
    if (supportsAnsiColors()) {
        echo "\033[" . $colorCode . "m" . $text . "\033[0m\n";
    } else {
        echo $text . "\n";
    }
}

// 使用例
printColoredText("Hello, World!", "31");

function styleText($text, $color = null, $bgColor = null, $options = []) {
    $codes = [];

    // カラーコード設定
    if ($color !== null) {
        $codes[] = $color;
    }
    if ($bgColor !== null) {
        $codes[] = $bgColor;
    }

    // オプションの追加（太字、下線など）
    foreach ($options as $option) {
        $codes[] = $option;
    }

    // ANSIエスケープシーケンスの作成
    $start = "\033[" . implode(';', $codes) . "m";
    $end = "\033[0m";

    return $start . $text . $end;
}

// 使用例
echo styleText("This is a styled message.", "32", "43", ["1", "4"]);

function displayMenu() {
    echo "\033[1;34m=== Main Menu ===\033[0m\n";
    echo "\033[32m1. Start New Game\033[0m\n";
    echo "\033[33m2. Load Game\033[0m\n";
    echo "\033[31m3. Exit\033[0m\n";
    echo "\033[1;34m=================\033[0m\n";
    echo "Choose an option: ";
}

// メニューの表示
displayMenu();
$userInput = trim(fgets(STDIN));

switch ($userInput) {
    case '1':
        echo "\033[32mStarting a new game...\033[0m\n";
        break;
    case '2':
        echo "\033[33mLoading the game...\033[0m\n";
        break;
    case '3':
        echo "\033[31mExiting the program. Goodbye!\033[0m\n";
        exit;
    default:
        echo "\033[31mInvalid option. Please try again.\033[0m\n";
}

function displayInteractiveMenu($selectedOption = null) {
    $menuItems = [
        '1' => 'Start New Game',
        '2' => 'Load Game',
        '3' => 'Exit'
    ];

    echo "\033[1;34m=== Main Menu ===\033[0m\n";
    foreach ($menuItems as $key => $item) {
        if ($key === $selectedOption) {
            echo "\033[1;37;44m>> $item <<\033[0m\n"; // 背景青で強調表示
        } else {
            echo "\033[32m$key. $item\033[0m\n";
        }
    }
    echo "\033[1;34m=================\033[0m\n";
    echo "Choose an option: ";
}

// メニュー表示と選択
while (true) {
    displayInteractiveMenu();
    $userInput = trim(fgets(STDIN));

    if ($userInput === '3') {
        echo "\033[31mExiting the program. Goodbye!\033[0m\n";
        break;
    } elseif (isset($menuItems[$userInput])) {
        displayInteractiveMenu($userInput);
        echo "\033[32mYou selected: {$menuItems[$userInput]}\033[0m\n";
    } else {
        echo "\033[31mInvalid option. Please try again.\033[0m\n";
    }
}

function prompt($message, $color = "33") {
    echo "\033[" . $color . "m" . $message . "\033[0m ";
    return trim(fgets(STDIN));
}

// 使用例
$name = prompt("Enter your name:", "36");
echo "\033[32mHello, $name! Welcome to the game.\033[0m\n";

function realTimeMenu() {
    $items = ["Option 1", "Option 2", "Option 3", "Exit"];
    $currentIndex = 0;

    while (true) {
        system('clear'); // 画面をクリア

        foreach ($items as $index => $item) {
            if ($index === $currentIndex) {
                echo "\033[1;37;42m>> $item <<\033[0m\n"; // 選択中の項目を緑色で強調
            } else {
                echo "\033[32m$item\033[0m\n";
            }
        }

        // ユーザー入力の取得
        $input = trim(fgets(STDIN));

        // メニューの操作
        if ($input === 'w' && $currentIndex > 0) {
            $currentIndex--;
        } elseif ($input === 's' && $currentIndex < count($items) - 1) {
            $currentIndex++;
        } elseif ($input === 'e') {
            echo "\033[32mYou selected: {$items[$currentIndex]}\033[0m\n";
            if ($items[$currentIndex] === "Exit") {
                break;
            }
        }
    }
}

// 実行
realTimeMenu();

function drawBorder($width, $colorCode = "34") {
    echo "\033[" . $colorCode . "m" . str_repeat("=", $width) . "\033[0m\n";
}

// 使用例
drawBorder(30, "34");
echo "\033[1;33mWelcome to the PHP Terminal App!\033[0m\n";
drawBorder(30, "34");

function displaySection($section) {
    system('clear'); // 画面をクリア

    switch ($section) {
        case 'home':
            echo "\033[1;32mHome Section\033[0m\n";
            echo "Welcome to the home section of the application.\n";
            break;
        case 'settings':
            echo "\033[1;33mSettings Section\033[0m\n";
            echo "Here you can configure your application settings.\n";
            break;
        case 'help':
            echo "\033[1;34mHelp Section\033[0m\n";
            echo "This section provides help and documentation.\n";
            break;
        default:
            echo "\033[31mUnknown section.\033[0m\n";
            break;
    }

    drawBorder(30, "34");
    echo "\033[1;37mUse 'h' for Home, 's' for Settings, 'p' for Help, 'q' to Quit.\033[0m\n";
}

// 初期セクションの表示
$currentSection = 'home';
displaySection($currentSection);

// ユーザー入力に応じてセクションを切り替える
while (true) {
    $input = trim(fgets(STDIN));

    if ($input === 'q') {
        echo "\033[31mExiting the program. Goodbye!\033[0m\n";
        break;
    } elseif ($input === 'h') {
        $currentSection = 'home';
    } elseif ($input === 's') {
        $currentSection = 'settings';
    } elseif ($input === 'p') {
        $currentSection = 'help';
    }

    // セクションの表示を更新
    displaySection($currentSection);
}

function showProgressBar($current, $total, $width = 50) {
    $percent = ($current / $total) * 100;
    $filled = round(($width * $current) / $total);
    $empty = $width - $filled;

    $bar = str_repeat("=", $filled) . str_repeat(" ", $empty);
    echo sprintf("\r\033[1;32m[%s] %d%%\033[0m", $bar, $percent);
    if ($current === $total) {
        echo "\n";
    }
}

// 進行状況バーのデモ
$totalSteps = 100;
for ($i = 1; $i <= $totalSteps; $i++) {
    showProgressBar($i, $totalSteps);
    usleep(50000); // 0.05秒の遅延
}

function validateInput($input) {
    if (!preg_match('/^[a-zA-Z]+$/', $input)) {
        echo "\033[31mError: Invalid input. Please enter letters only.\033[0m\n";
        return false;
    }
    echo "\033[32mInput accepted: $input\033[0m\n";
    return true;
}

// 入力の検証ループ
while (true) {
    echo "Enter your name (letters only): ";
    $userInput = trim(fgets(STDIN));
    if (validateInput($userInput)) {
        break;
    }
}