364 lines
11 KiB
PHP
364 lines
11 KiB
PHP
<?php
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2019 - 2022, CodeIgniter Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
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* @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/)
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* @license https://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 1.0.0
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* @filesource
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*/
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defined('BASEPATH') or exit('No direct script access allowed');
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/**
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* CodeIgniter HTML Helpers
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*
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* @package CodeIgniter
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* @subpackage Helpers
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* @category Helpers
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* @author EllisLab Dev Team
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* @link https://codeigniter.com/userguide3/helpers/html_helper.html
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*/
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// ------------------------------------------------------------------------
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if (! function_exists('heading')) {
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/**
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* Heading
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*
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* Generates an HTML heading tag.
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*
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* @param string content
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* @param int heading level
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* @param string
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* @return string
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*/
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function heading($data = '', $h = '1', $attributes = '')
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{
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return '<h' . $h . _stringify_attributes($attributes) . '>' . $data . '</h' . $h . '>';
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('ul')) {
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/**
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* Unordered List
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*
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* Generates an HTML unordered list from an single or multi-dimensional array.
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*
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* @param array
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* @param mixed
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* @return string
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*/
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function ul($list, $attributes = '')
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{
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return _list('ul', $list, $attributes);
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('ol')) {
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/**
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* Ordered List
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*
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* Generates an HTML ordered list from an single or multi-dimensional array.
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*
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* @param array
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* @param mixed
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* @return string
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*/
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function ol($list, $attributes = '')
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{
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return _list('ol', $list, $attributes);
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('_list')) {
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/**
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* Generates the list
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*
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* Generates an HTML ordered list from an single or multi-dimensional array.
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*
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* @param string
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* @param mixed
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* @param mixed
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* @param int
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* @return string
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*/
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function _list($type = 'ul', $list = array(), $attributes = '', $depth = 0)
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{
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// If an array wasn't submitted there's nothing to do...
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if (! is_array($list)) {
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return $list;
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}
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// Set the indentation based on the depth
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$out = str_repeat(' ', $depth)
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// Write the opening list tag
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. '<' . $type . _stringify_attributes($attributes) . ">\n";
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// Cycle through the list elements. If an array is
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// encountered we will recursively call _list()
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static $_last_list_item = '';
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foreach ($list as $key => $val) {
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$_last_list_item = $key;
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$out .= str_repeat(' ', $depth + 2) . '<li>';
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if (! is_array($val)) {
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$out .= $val;
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} else {
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$out .= $_last_list_item . "\n" . _list($type, $val, '', $depth + 4) . str_repeat(' ', $depth + 2);
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}
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$out .= "</li>\n";
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}
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// Set the indentation for the closing tag and apply it
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return $out . str_repeat(' ', $depth) . '</' . $type . ">\n";
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('img')) {
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/**
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* Image
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*
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* Generates an <img /> element
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*
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* @param mixed
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* @param bool
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* @param mixed
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* @return string
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*/
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function img($src = '', $index_page = false, $attributes = '')
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{
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if (! is_array($src)) {
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$src = array('src' => $src);
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}
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// If there is no alt attribute defined, set it to an empty string
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if (! isset($src['alt'])) {
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$src['alt'] = '';
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}
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$img = '<img';
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foreach ($src as $k => $v) {
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if ($k === 'src' && ! preg_match('#^(data:[a-z,;])|(([a-z]+:)?(?<!data:)//)#i', $v)) {
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if ($index_page === true) {
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$img .= ' src="' . get_instance()->config->site_url($v) . '"';
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} else {
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$img .= ' src="' . get_instance()->config->base_url($v) . '"';
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}
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} else {
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$img .= ' ' . $k . '="' . $v . '"';
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}
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}
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return $img . _stringify_attributes($attributes) . ' />';
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('doctype')) {
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/**
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* Doctype
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*
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* Generates a page document type declaration
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*
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* Examples of valid options: html5, xhtml-11, xhtml-strict, xhtml-trans,
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* xhtml-frame, html4-strict, html4-trans, and html4-frame.
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* All values are saved in the doctypes config file.
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*
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* @param string type The doctype to be generated
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* @return string
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*/
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function doctype($type = 'xhtml1-strict')
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{
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static $doctypes;
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if (! is_array($doctypes)) {
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if (file_exists(APPPATH . 'config/doctypes.php')) {
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include(APPPATH . 'config/doctypes.php');
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}
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if (file_exists(APPPATH . 'config/' . ENVIRONMENT . '/doctypes.php')) {
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include(APPPATH . 'config/' . ENVIRONMENT . '/doctypes.php');
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}
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if (empty($_doctypes) or ! is_array($_doctypes)) {
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$doctypes = array();
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return false;
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}
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$doctypes = $_doctypes;
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}
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return isset($doctypes[$type]) ? $doctypes[$type] : false;
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('link_tag')) {
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/**
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* Link
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*
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* Generates link to a CSS file
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*
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* @param mixed stylesheet hrefs or an array
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* @param string rel
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* @param string type
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* @param string title
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* @param string media
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* @param bool should index_page be added to the css path
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* @return string
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*/
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function link_tag($href = '', $rel = 'stylesheet', $type = 'text/css', $title = '', $media = '', $index_page = false)
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{
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$CI = & get_instance();
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$link = '<link ';
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if (is_array($href)) {
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foreach ($href as $k => $v) {
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if ($k === 'href' && ! preg_match('#^([a-z]+:)?//#i', $v)) {
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if ($index_page === true) {
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$link .= 'href="' . $CI->config->site_url($v) . '" ';
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} else {
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$link .= 'href="' . $CI->config->base_url($v) . '" ';
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}
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} else {
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$link .= $k . '="' . $v . '" ';
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}
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}
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} else {
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if (preg_match('#^([a-z]+:)?//#i', $href)) {
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$link .= 'href="' . $href . '" ';
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} elseif ($index_page === true) {
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$link .= 'href="' . $CI->config->site_url($href) . '" ';
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} else {
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$link .= 'href="' . $CI->config->base_url($href) . '" ';
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}
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$link .= 'rel="' . $rel . '" type="' . $type . '" ';
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if ($media !== '') {
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$link .= 'media="' . $media . '" ';
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}
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if ($title !== '') {
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$link .= 'title="' . $title . '" ';
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}
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}
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return $link . "/>\n";
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('meta')) {
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/**
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* Generates meta tags from an array of key/values
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*
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* @param array
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* @param string
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* @param string
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* @param string
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* @return string
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*/
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function meta($name = '', $content = '', $type = 'name', $newline = "\n")
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{
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// Since we allow the data to be passes as a string, a simple array
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// or a multidimensional one, we need to do a little prepping.
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if (! is_array($name)) {
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$name = array(array('name' => $name, 'content' => $content, 'type' => $type, 'newline' => $newline));
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} elseif (isset($name['name'])) {
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// Turn single array into multidimensional
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$name = array($name);
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}
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$str = '';
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foreach ($name as $meta) {
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$type = (isset($meta['type']) && $meta['type'] !== 'name') ? 'http-equiv' : 'name';
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$name = isset($meta['name']) ? $meta['name'] : '';
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$content = isset($meta['content']) ? $meta['content'] : '';
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$newline = isset($meta['newline']) ? $meta['newline'] : "\n";
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$str .= '<meta ' . $type . '="' . $name . '" content="' . $content . '" />' . $newline;
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}
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return $str;
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('br')) {
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/**
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* Generates HTML BR tags based on number supplied
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*
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* @deprecated 3.0.0 Use str_repeat() instead
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* @param int $count Number of times to repeat the tag
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* @return string
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*/
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function br($count = 1)
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{
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return str_repeat('<br />', $count);
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}
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}
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// ------------------------------------------------------------------------
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if (! function_exists('nbs')) {
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/**
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* Generates non-breaking space entities based on number supplied
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*
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* @deprecated 3.0.0 Use str_repeat() instead
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* @param int
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* @return string
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*/
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function nbs($num = 1)
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{
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return str_repeat(' ', $num);
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}
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}
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