golden hour

/home/phakp/public_html/bkp_full/old_site_bkp/system/core

File/Folder	Size	Actions
Benchmark.php	3.92 KB
CodeIgniter.php	15.73 KB
Common.php	21.43 KB
Config.php	9.06 KB
Controller.php	2.83 KB
Exceptions.php	7.08 KB
Hooks.php	6.1 KB
Input.php	22.05 KB
Lang.php	5.34 KB
Loader.php	36.21 KB
Log.php	7.37 KB
Model.php	2.44 KB
Output.php	20.68 KB
Router.php	12.84 KB
Security.php	28.37 KB
URI.php	14.84 KB
Utf8.php	4.31 KB
compat	-
index.html	131 B

Edit: Utf8.php

<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014 - 2018, British Columbia Institute of Technology
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package	CodeIgniter
 * @author	EllisLab Dev Team
 * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
 * @copyright	Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
 * @license	http://opensource.org/licenses/MIT	MIT License
 * @link	https://codeigniter.com
 * @since	Version 2.0.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * Utf8 Class
 *
 * Provides support for UTF-8 environments
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	UTF-8
 * @author		EllisLab Dev Team
 * @link		https://codeigniter.com/user_guide/libraries/utf8.html
 */
class CI_Utf8 {

/**
	 * Class constructor
	 *
	 * Determines if UTF-8 support is to be enabled.
	 *
	 * @return	void
	 */
	public function __construct()
	{
		if (
			defined('PREG_BAD_UTF8_ERROR')				// PCRE must support UTF-8
			&& (ICONV_ENABLED === TRUE OR MB_ENABLED === TRUE)	// iconv or mbstring must be installed
			&& strtoupper(config_item('charset')) === 'UTF-8'	// Application charset must be UTF-8
			)
		{
			define('UTF8_ENABLED', TRUE);
			log_message('debug', 'UTF-8 Support Enabled');
		}
		else
		{
			define('UTF8_ENABLED', FALSE);
			log_message('debug', 'UTF-8 Support Disabled');
		}

log_message('info', 'Utf8 Class Initialized');
	}

// --------------------------------------------------------------------

/**
	 * Clean UTF-8 strings
	 *
	 * Ensures strings contain only valid UTF-8 characters.
	 *
	 * @param	string	$str	String to clean
	 * @return	string
	 */
	public function clean_string($str)
	{
		if ($this->is_ascii($str) === FALSE)
		{
			if (MB_ENABLED)
			{
				$str = mb_convert_encoding($str, 'UTF-8', 'UTF-8');
			}
			elseif (ICONV_ENABLED)
			{
				$str = @iconv('UTF-8', 'UTF-8//IGNORE', $str);
			}
		}

return $str;
	}

// --------------------------------------------------------------------

/**
	 * Remove ASCII control characters
	 *
	 * Removes all ASCII control characters except horizontal tabs,
	 * line feeds, and carriage returns, as all others can cause
	 * problems in XML.
	 *
	 * @param	string	$str	String to clean
	 * @return	string
	 */
	public function safe_ascii_for_xml($str)
	{
		return remove_invisible_characters($str, FALSE);
	}

// --------------------------------------------------------------------

/**
	 * Convert to UTF-8
	 *
	 * Attempts to convert a string to UTF-8.
	 *
	 * @param	string	$str		Input string
	 * @param	string	$encoding	Input encoding
	 * @return	string	$str encoded in UTF-8 or FALSE on failure
	 */
	public function convert_to_utf8($str, $encoding)
	{
		if (MB_ENABLED)
		{
			return mb_convert_encoding($str, 'UTF-8', $encoding);
		}
		elseif (ICONV_ENABLED)
		{
			return @iconv($encoding, 'UTF-8', $str);
		}

return FALSE;
	}

// --------------------------------------------------------------------

/**
	 * Is ASCII?
	 *
	 * Tests if a string is standard 7-bit ASCII or not.
	 *
	 * @param	string	$str	String to check
	 * @return	bool
	 */
	public function is_ascii($str)
	{
		return (preg_match('/[^\x00-\x7F]/S', $str) === 0);
	}

}