PHP Command line colored input

/**
 * Prompt a colored message for user
 *
 * @param string $msg   message string
 * @param string $color RED | YELLOW | null (default color)
 */
function prompt($msg,$color = null){
    $colors = [
        'RED' => '\033]31m',
        'YELLOW' => '\033]33m'
    ];
    $promptMsg = $msg . '\n';
    if ($color != null){
        $promptMsg = $colors[$color] . $promptMsg;
    }
    echo $promptMsg;
}

/**
 * Prompt a colored message for user, which will wait and return user input
 *
 * @param string $msg   message string
 * @param string $color RED | YELLOW | null (default color)
 */
function question($msg,$color){
    prompt($msg,$color);
    return fgets(STDIN);
}
// add your extra color here!

http://blog.lenss.nl/2012/05/adding-colors-to-php-cli-script-output/