gistfile1.txt

public function get_fonts( $amount = 5000 )
    {
		$selectDirectory = '';
		
        $selectDirectory = plugin_dir_path( __FILE__ );

        $fontFile = $selectDirectory . '/cache/google-web-fonts.txt';

        //Total time the file will be cached in seconds, set to a week
        $cachetime = 86400 * 7;

        if(file_exists($fontFile) && $cachetime < filemtime($fontFile))
        {
            $content = json_decode(file_get_contents($fontFile));
        } else {

            $googleApi = 'https://www.googleapis.com/webfonts/v1/webfonts?sort=popularity&key=AIzaSyAfzHmLjE4RBF6kSi3KW8ZD-rzhxSJP9C4';

            $fontContent = wp_remote_get( $googleApi, array('sslverify'   => false) );

            $fp = fopen($fontFile, 'w');
            fwrite($fp, $fontContent['body']);
            fclose($fp);

            $content = json_decode($fontContent['body']);
        }

        if($amount == 'all')
        {
            return $content->items;
        } else {
            return array_slice($content->items, 0, $amount);
        }
    }