PHP - A simple class for logging into stderr

php_console_logging.php

<?php

class Console
{
    private $stderr = null;
    private $line = null;
    const END = '\e[0m';
    const BOLD = '\e[1m';
    const DIM = '\e[2m';
    const ITALIC = '\e[3m';
    const UNDERLING = '\e[4m';
    const BLINK = '\e[5m';
    const GHOST = '\e[8m';
    const STRIKE_THROUGH = '\e[9m';
    const DOUBLE_UNDER_LINE = '\e[21m';
    const RED = '\e[31m';
    const GREEN = '\e[32m';
    const YELLOW = '\e[33m';
    const BLUE = '\e[34m';
    const PINK = '\e[35m';
    const NEON = '\e[36m';
    const WHITE = '\e[37m';
    const BACKGROUND_GREY = '\e[40m';
    const BACKGROUND_RED = '\e[41m';
    const BACKGROUND_GREEN = '\e[42m';
    const BACKGROUND_YELLOW = '\e[43m';
    const BACKGROUND_BLUE = '\e[44m';
    const BACKGROUND_PINK = '\e[45m';
    const BACKGROUND_NEON = '\e[46m';
    const BACKGROUND_WHITE = '\e[47m';
    private $style = '';
    private $prefixTimeStamp = false;

    public function __construct($prefixTimeStamp = null)
    {
        $this->prefixTimeStamp = $prefixTimeStamp;
        $this->stderr = fopen('php://stderr', 'wb');
    }

    public function line($line)
    {
        if ($this->prefixTimeStamp) {
            $timeStamp = date('Y-m-d H:i:s');
            $line = "[{$timeStamp}] INFO: {$line}";
        }

        $this->line = $line;
        return $this;
    }

    function print()
    {
        $end = self::END;
        $line = str_replace('"', '\"', $this->line);
        fwrite($this->stderr, `printf "{$this->style}{$line}{$end}\n"`);
    }

    function style(...$style)
    {
        foreach ($style as $s) {
            $this->style .= $s;
        }

        return $this;
    }

}


// usage
(new Console($prefixTimeStamp = true))
    ->line("Hello world")
    ->style(Console::GREEN, Console::BOLD)
    ->print();