Encoder.php
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<?php
/**
 * Created by PhpStorm.
 * User: Cibermag
 * Date: 27.08.2015
 * Time: 13:36
 */
namespace backend\components;
// @todo add comments
class Encoder
{
    public static $in_charset;
    public static $out_charset;
    public static function encodeFile($in_charset, $out_charset, $filePath)
    {
        $old_content = file_get_contents($filePath);
        $encode_content = self::encode( $in_charset, $out_charset, $old_content );
        $file = @fopen($filePath, "w");
        fwrite($file, $encode_content);
        @fclose($file);
    }
    public static function encodeArray($in_charset, $out_charset, $array)
    {
        self::$in_charset = $in_charset;
        self::$out_charset = $out_charset;
        $result = array_map(
            function ( $array) {
                return self::encode( self::$in_charset, self::$out_charset, $array );
            },
            $array);
        return $result;
    }
    private static function encode( $in_charset, $out_charset, $source ){
        return iconv($in_charset, $out_charset, $source);
    }
}