<?php

class PHP2CSS {

    private static $stylesheet = [];
    private static $setContenttype = false;

    public static function contentType($contentType) {
        self::$setContenttype = true;
    }

    public static function addStyle() {
        $args = func_get_args();
        $num = func_num_args();

        for($i = 1; $i <= $num; ++$i) {
            if($i % 2 != 0) {
                self::$stylesheet[] = [
                    'name' => $args[$i-1],
                    'styles' => $args[$i]
                ];
            }
        }
    }

    public static function generateStylesheet() {
        if(self::$setContenttype) {
            header('Content-type: '.self::$setContenttype);
        }
        $nStyle = null;
        foreach(self::$stylesheet as $style) {
            $nStyle .= $style['name'].' {'."\n";
                foreach($style['styles'] as $keyword => $value) {
                    $nStyle .= "\t".$keyword.': '.$value.";\n";
                }
            $nStyle .= '}'."\n\n";
        }

        echo $nStyle;
    }
}


PHP2CSS::addStyle(
'body, html', [
    'background-color' => 'rgba(0,0,0,0.05)',
    'font-family' => 'Open Sans'
],
'.class', [
    'font-size' => '300px'
],
'.class', [
    'font-size' => '300px'
]);