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//home/develito/www/tmp/install_5fbe1430de7ef/Site/lib/types/string.php

<?php
/**
 * @package: SobiPro Library

* @author
 * Name: Sigrid Suski & Radek Suski, Sigsiu.NET GmbH
 * Email: sobi[at]sigsiu.net
 * Url: https://www.Sigsiu.NET

* @copyright Copyright (C) 2006 - 2015 Sigsiu.NET GmbH (https://www.sigsiu.net). All rights reserved.
 * @license GNU/LGPL Version 3
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation, and under the additional terms according section 7 of GPL v3.
 * See http://www.gnu.org/licenses/lgpl.html and https://www.sigsiu.net/licenses.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 */

defined( 'SOBIPRO' ) || exit( 'Restricted access' );

/**
 * @author Radek Suski
 * @version 1.0
 * @created 21-Jan-2009 1:35:29 PM
 */

class SPData_String
{
    protected $string = "";

public function isEmpty()
    {

}

public function __construct( $string )
    {
        $this->string = $string;
    }

public function & toLower()
    {
        if ( $this->isUnicode() ) {
            if ( function_exists( 'mb_strtolower' ) ) {
                self::_setUnicode();
                $this->string = mb_strtolower( $this->string );
            }
            else {
                Sobi::Error( 'String', 'String is a non-latin but we don\'t have unicode handler' );
            }
        }
        return $this;
    }

private static function _setUnicode()
    {
        static $set = false;
        if ( !( $set ) ) {
            mb_internal_encoding( 'UTF-8' );
            $set = true;
        }
    }

public function & toUpper()
    {
        if ( $this->isUnicode() ) {
            if ( function_exists( 'mb_strtoupper' ) ) {
                self::_setUnicode();
                $this->string = mb_strtoupper( $this->string );
            }
            else {
                Sobi::Error( 'String', 'String is a non-latin but we don\'t have unicode handler!' );
            }
        }
        return $this;
    }

public function __call( $method, $params )
    {
        if ( function_exists( $method ) ) {
            $this->string = $method( $this->string );
        }
        else {
            Sobi::Error( 'String', "Function {$method} does not exist!", SPC::WARNING );
        }
        return $this;
    }

protected function isUnicode()
    {
        return preg_match( '/^[\x20-\x7f]*$/D', $this->string ) ? false : true;
    }

public function get()
    {
        return $this->string;
    }
}