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							410 lines
						
					
					
						
							9.4 KiB
						
					
					
				| <?php | |
| /** | |
|  * CodeIgniter | |
|  * | |
|  * An open source application development framework for PHP | |
|  * | |
|  * This content is released under the MIT License (MIT) | |
|  * | |
|  * Copyright (c) 2014 - 2016, 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 - 2016, 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('#^([a-z]+:)?//#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); | |
| 	} | |
| }
 | |
| 
 |