Subversion-Projekte lars-tiefland.ci

<?php

/**

 * CodeIgniter

 *

 * An open source application development framework for PHP

 *

 * This content is released under the MIT License (MIT)

 *

 * Copyright (c) 2014 - 2017, 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 - 2017, British Columbia Institute of Technology (http://bcit.ca/)

 * @license	http://opensource.org/licenses/MIT	MIT License

 * @link	https://codeigniter.com

 * @since	Version 1.0.0

 * @filesource

 */

defined('BASEPATH') OR exit('No direct script access allowed');

/**

 * CodeIgniter HTML Helpers

 *

 * @package		CodeIgniter

 * @subpackage	Helpers

 * @category	Helpers

 * @author		EllisLab Dev Team

 * @link		https://codeigniter.com/user_guide/helpers/html_helper.html

 */

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

if ( ! function_exists('heading'))

{

	/**

	 * Heading

	 *

	 * Generates an HTML heading tag.

	 *

	 * @param	string	content

	 * @param	int	heading level

	 * @param	string

	 * @return	string

	 */

	function heading($data = '', $h = '1', $attributes = '')

	{

		return '<h'.$h._stringify_attributes($attributes).'>'.$data.'</h'.$h.'>';

	}

}

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

if ( ! function_exists('ul'))

{

	/**

	 * Unordered List

	 *

	 * Generates an HTML unordered list from an single or multi-dimensional array.

	 *

	 * @param	array

	 * @param	mixed

	 * @return	string

	 */

	function ul($list, $attributes = '')

	{

		return _list('ul', $list, $attributes);

	}

}

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

if ( ! function_exists('ol'))

{

	/**

	 * Ordered List

	 *

	 * Generates an HTML ordered list from an single or multi-dimensional array.

	 *

	 * @param	array

	 * @param	mixed

	 * @return	string

	 */

	function ol($list, $attributes = '')

	{

		return _list('ol', $list, $attributes);

	}

}

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

if ( ! function_exists('_list'))

{

	/**

	 * Generates the list

	 *

	 * Generates an HTML ordered list from an single or multi-dimensional array.

	 *

	 * @param	string

	 * @param	mixed

	 * @param	mixed

	 * @param	int

	 * @return	string

	 */

	function _list($type = 'ul', $list = array(), $attributes = '', $depth = 0)

	{

		// If an array wasn't submitted there's nothing to do...

		if ( ! is_array($list))

		{

			return $list;

		}

		// Set the indentation based on the depth

		$out = str_repeat(' ', $depth)

			// Write the opening list tag

			.'<'.$type._stringify_attributes($attributes).">\n";

		// Cycle through the list elements.  If an array is

		// encountered we will recursively call _list()

		static $_last_list_item = '';

		foreach ($list as $key => $val)

		{

			$_last_list_item = $key;

			$out .= str_repeat(' ', $depth + 2).'<li>';

			if ( ! is_array($val))

			{

				$out .= $val;

			}

			else

			{

				$out .= $_last_list_item."\n"._list($type, $val, '', $depth + 4).str_repeat(' ', $depth + 2);

			}

			$out .= "</li>\n";

		}

		// Set the indentation for the closing tag and apply it

		return $out.str_repeat(' ', $depth).'</'.$type.">\n";

	}

}

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

if ( ! function_exists('img'))

{

	/**

	 * Image

	 *

	 * Generates an <img /> element

	 *

	 * @param	mixed

	 * @param	bool

	 * @param	mixed

	 * @return	string

	 */

	function img($src = '', $index_page = FALSE, $attributes = '')

	{

		if ( ! is_array($src) )

		{

			$src = array('src' => $src);

		}

		// If there is no alt attribute defined, set it to an empty string

		if ( ! isset($src['alt']))

		{

			$src['alt'] = '';

		}

		$img = '<img';

		foreach ($src as $k => $v)

		{

			if ($k === 'src' && ! preg_match('#^(data:[a-z,;])|(([a-z]+:)?(?<!data:)//)#i', $v))

			{

				if ($index_page === TRUE)

				{

					$img .= ' src="'.get_instance()->config->site_url($v).'"';

				}

				else

				{

					$img .= ' src="'.get_instance()->config->slash_item('base_url').$v.'"';

				}

			}

			else

			{

				$img .= ' '.$k.'="'.$v.'"';

			}

		}

		return $img._stringify_attributes($attributes).' />';

	}

}

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

if ( ! function_exists('doctype'))

{

	/**

	 * Doctype

	 *

	 * Generates a page document type declaration

	 *

	 * Examples of valid options: html5, xhtml-11, xhtml-strict, xhtml-trans,

	 * xhtml-frame, html4-strict, html4-trans, and html4-frame.

	 * All values are saved in the doctypes config file.

	 *

	 * @param	string	type	The doctype to be generated

	 * @return	string

	 */

	function doctype($type = 'xhtml1-strict')

	{

		static $doctypes;

		if ( ! is_array($doctypes))

		{

			if (file_exists(APPPATH.'config/doctypes.php'))

			{

				include(APPPATH.'config/doctypes.php');

			}

			if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php'))

			{

				include(APPPATH.'config/'.ENVIRONMENT.'/doctypes.php');

			}

			if (empty($_doctypes) OR ! is_array($_doctypes))

			{

				$doctypes = array();

				return FALSE;

			}

			$doctypes = $_doctypes;

		}

		return isset($doctypes[$type]) ? $doctypes[$type] : FALSE;

	}

}

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

if ( ! function_exists('link_tag'))

{

	/**

	 * Link

	 *

	 * Generates link to a CSS file

	 *

	 * @param	mixed	stylesheet hrefs or an array

	 * @param	string	rel

	 * @param	string	type

	 * @param	string	title

	 * @param	string	media

	 * @param	bool	should index_page be added to the css path

	 * @return	string

	 */

	function link_tag($href = '', $rel = 'stylesheet', $type = 'text/css', $title = '', $media = '', $index_page = FALSE)

	{

		$CI =& get_instance();

		$link = '<link ';

		if (is_array($href))

		{

			foreach ($href as $k => $v)

			{

				if ($k === 'href' && ! preg_match('#^([a-z]+:)?//#i', $v))

				{

					if ($index_page === TRUE)

					{

						$link .= 'href="'.$CI->config->site_url($v).'" ';

					}

					else

					{

						$link .= 'href="'.$CI->config->slash_item('base_url').$v.'" ';

					}

				}

				else

				{

					$link .= $k.'="'.$v.'" ';

				}

			}

		}

		else

		{

			if (preg_match('#^([a-z]+:)?//#i', $href))

			{

				$link .= 'href="'.$href.'" ';

			}

			elseif ($index_page === TRUE)

			{

				$link .= 'href="'.$CI->config->site_url($href).'" ';

			}

			else

			{

				$link .= 'href="'.$CI->config->slash_item('base_url').$href.'" ';

			}

			$link .= 'rel="'.$rel.'" type="'.$type.'" ';

			if ($media !== '')

			{

				$link .= 'media="'.$media.'" ';

			}

			if ($title !== '')

			{

				$link .= 'title="'.$title.'" ';

			}

		}

		return $link."/>\n";

	}

}

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

if ( ! function_exists('meta'))

{

	/**

	 * Generates meta tags from an array of key/values

	 *

	 * @param	array

	 * @param	string

	 * @param	string

	 * @param	string

	 * @return	string

	 */

	function meta($name = '', $content = '', $type = 'name', $newline = "\n")

	{

		// Since we allow the data to be passes as a string, a simple array

		// or a multidimensional one, we need to do a little prepping.

		if ( ! is_array($name))

		{

			$name = array(array('name' => $name, 'content' => $content, 'type' => $type, 'newline' => $newline));

		}

		elseif (isset($name['name']))

		{

			// Turn single array into multidimensional

			$name = array($name);

		}

		$str = '';

		foreach ($name as $meta)

		{

			$type		= (isset($meta['type']) && $meta['type'] !== 'name')	? 'http-equiv' : 'name';

			$name		= isset($meta['name'])					? $meta['name'] : '';

			$content	= isset($meta['content'])				? $meta['content'] : '';

			$newline	= isset($meta['newline'])				? $meta['newline'] : "\n";

			$str .= '<meta '.$type.'="'.$name.'" content="'.$content.'" />'.$newline;

		}

		return $str;

	}

}

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

if ( ! function_exists('br'))

{

	/**

	 * Generates HTML BR tags based on number supplied

	 *

	 * @deprecated	3.0.0	Use str_repeat() instead

	 * @param	int	$count	Number of times to repeat the tag

	 * @return	string

	 */

	function br($count = 1)

	{

		return str_repeat('<br />', $count);

	}

}

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

if ( ! function_exists('nbs'))

{

	/**

	 * Generates non-breaking space entities based on number supplied

	 *

	 * @deprecated	3.0.0	Use str_repeat() instead

	 * @param	int

	 * @return	string

	 */

	function nbs($num = 1)

	{

		return str_repeat(' ', $num);

	}

}