| <?php if (!defined('BASEPATH')) exit('No direct script access allowed');
|
| /**
|
| * CodeIgniter
|
| *
|
| * An open source application development framework for PHP 4.3.2 or newer
|
| *
|
| * @package CodeIgniter
|
| * @author ExpressionEngine Dev Team
|
| * @copyright Copyright (c) 2006, EllisLab, Inc.
|
| * @license http://codeigniter.com/user_guide/license.html
|
| * @link http://codeigniter.com
|
| * @since Version 1.0
|
| * @filesource
|
| */
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * CodeIgniter URL Helpers
|
| *
|
| * @package CodeIgniter
|
| * @subpackage Helpers
|
| * @category Helpers
|
| * @author ExpressionEngine Dev Team
|
| * @link http://codeigniter.com/user_guide/helpers/url_helper.html
|
| */
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Site URL
|
| *
|
| * Create a local URL based on your basepath. Segments can be passed via the
|
| * first parameter either as a string or an array.
|
| *
|
| * @access public
|
| * @param string
|
| * @return string
|
| */
|
| if (! function_exists('site_url'))
|
| {
|
| function site_url($uri = '')
|
| {
|
| $CI =& get_instance();
|
| return $CI->config->site_url($uri);
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Base URL
|
| *
|
| * Returns the "base_url" item from your config file
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| if (! function_exists('base_url'))
|
| {
|
| function base_url()
|
| {
|
| $CI =& get_instance();
|
| return $CI->config->slash_item('base_url');
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Index page
|
| *
|
| * Returns the "index_page" from your config file
|
| *
|
| * @access public
|
| * @return string
|
| */
|
| if (! function_exists('index_page'))
|
| {
|
| function index_page()
|
| {
|
| $CI =& get_instance();
|
| return $CI->config->item('index_page');
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Anchor Link
|
| *
|
| * Creates an anchor based on the local URL.
|
| *
|
| * @access public
|
| * @param string the URL
|
| * @param string the link title
|
| * @param mixed any attributes
|
| * @return string
|
| */
|
| if (! function_exists('anchor'))
|
| {
|
| function anchor($uri = '', $title = '', $attributes = '')
|
| {
|
| $title = (string) $title;
|
|
|
| if (! is_array($uri))
|
| {
|
| $site_url = (! preg_match('!^\w+://!i', $uri)) ? site_url($uri) : $uri;
|
| }
|
| else
|
| {
|
| $site_url = site_url($uri);
|
| }
|
|
|
| if ($title == '')
|
| {
|
| $title = $site_url;
|
| }
|
|
|
| if ($attributes != '')
|
| {
|
| $attributes = _parse_attributes($attributes);
|
| }
|
|
|
| return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>';
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Anchor Link - Pop-up version
|
| *
|
| * Creates an anchor based on the local URL. The link
|
| * opens a new window based on the attributes specified.
|
| *
|
| * @access public
|
| * @param string the URL
|
| * @param string the link title
|
| * @param mixed any attributes
|
| * @return string
|
| */
|
| if (! function_exists('anchor_popup'))
|
| {
|
| function anchor_popup($uri = '', $title = '', $attributes = FALSE)
|
| {
|
| $title = (string) $title;
|
|
|
| $site_url = (! preg_match('!^\w+://!i', $uri)) ? site_url($uri) : $uri;
|
|
|
| if ($title == '')
|
| {
|
| $title = $site_url;
|
| }
|
|
|
| if ($attributes === FALSE)
|
| {
|
| return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank');\">".$title."</a>";
|
| }
|
|
|
| if (! is_array($attributes))
|
| {
|
| $attributes = array();
|
| }
|
|
|
| foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0', ) as $key => $val)
|
| {
|
| $atts[$key] = (! isset($attributes[$key])) ? $val : $attributes[$key];
|
| }
|
|
|
| return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\">".$title."</a>";
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Mailto Link
|
| *
|
| * @access public
|
| * @param string the email address
|
| * @param string the link title
|
| * @param mixed any attributes
|
| * @return string
|
| */
|
| if (! function_exists('mailto'))
|
| {
|
| function mailto($email, $title = '', $attributes = '')
|
| {
|
| $title = (string) $title;
|
|
|
| if ($title == "")
|
| {
|
| $title = $email;
|
| }
|
|
|
| $attributes = _parse_attributes($attributes);
|
|
|
| return '<a href="mailto:'.$email.'"'.$attributes.'>'.$title.'</a>';
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Encoded Mailto Link
|
| *
|
| * Create a spam-protected mailto link written in Javascript
|
| *
|
| * @access public
|
| * @param string the email address
|
| * @param string the link title
|
| * @param mixed any attributes
|
| * @return string
|
| */
|
| if (! function_exists('safe_mailto'))
|
| {
|
| function safe_mailto($email, $title = '', $attributes = '')
|
| {
|
| $title = (string) $title;
|
|
|
| if ($title == "")
|
| {
|
| $title = $email;
|
| }
|
|
|
| for ($i = 0; $i < 16; $i++)
|
| {
|
| $x[] = substr('<a href="mailto:', $i, 1);
|
| }
|
|
|
| for ($i = 0; $i < strlen($email); $i++)
|
| {
|
| $x[] = "|".ord(substr($email, $i, 1));
|
| }
|
|
|
| $x[] = '"';
|
|
|
| if ($attributes != '')
|
| {
|
| if (is_array($attributes))
|
| {
|
| foreach ($attributes as $key => $val)
|
| {
|
| $x[] = ' '.$key.'="';
|
| for ($i = 0; $i < strlen($val); $i++)
|
| {
|
| $x[] = "|".ord(substr($val, $i, 1));
|
| }
|
| $x[] = '"';
|
| }
|
| }
|
| else
|
| {
|
| for ($i = 0; $i < strlen($attributes); $i++)
|
| {
|
| $x[] = substr($attributes, $i, 1);
|
| }
|
| }
|
| }
|
|
|
| $x[] = '>';
|
|
|
| $temp = array();
|
| for ($i = 0; $i < strlen($title); $i++)
|
| {
|
| $ordinal = ord($title[$i]);
|
|
|
| if ($ordinal < 128)
|
| {
|
| $x[] = "|".$ordinal;
|
| }
|
| else
|
| {
|
| if (count($temp) == 0)
|
| {
|
| $count = ($ordinal < 224) ? 2 : 3;
|
| }
|
|
|
| $temp[] = $ordinal;
|
| if (count($temp) == $count)
|
| {
|
| $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
|
| $x[] = "|".$number;
|
| $count = 1;
|
| $temp = array();
|
| }
|
| }
|
| }
|
|
|
| $x[] = '<'; $x[] = '/'; $x[] = 'a'; $x[] = '>';
|
|
|
| $x = array_reverse($x);
|
| ob_start();
|
|
|
| ?><script type="text/javascript">
|
| //<![CDATA[
|
| var l=new Array();
|
| <?php
|
| $i = 0;
|
| foreach ($x as $val){ ?>l[<?php echo $i++; ?>]='<?php echo $val; ?>';<?php } ?>
|
|
|
| for (var i = l.length-1; i >= 0; i=i-1){
|
| if (l[i].substring(0, 1) == '|') document.write("&#"+unescape(l[i].substring(1))+";");
|
| else document.write(unescape(l[i]));}
|
| //]]>
|
| </script><?php
|
|
|
| $buffer = ob_get_contents();
|
| ob_end_clean();
|
| return $buffer;
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Auto-linker
|
| *
|
| * Automatically links URL and Email addresses.
|
| * Note: There's a bit of extra code here to deal with
|
| * URLs or emails that end in a period. We'll strip these
|
| * off and add them after the link.
|
| *
|
| * @access public
|
| * @param string the string
|
| * @param string the type: email, url, or both
|
| * @param bool whether to create pop-up links
|
| * @return string
|
| */
|
| if (! function_exists('auto_link'))
|
| {
|
| function auto_link($str, $type = 'both', $popup = FALSE)
|
| {
|
| if ($type != 'email')
|
| {
|
| if (preg_match_all("#(^|\s|\()((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i", $str, $matches))
|
| {
|
| $pop = ($popup == TRUE) ? " target=\"_blank\" " : "";
|
|
|
| for ($i = 0; $i < sizeof($matches['0']); $i++)
|
| {
|
| $period = '';
|
| if (preg_match("|\.$|", $matches['6'][$i]))
|
| {
|
| $period = '.';
|
| $matches['6'][$i] = substr($matches['6'][$i], 0, -1);
|
| }
|
|
|
| $str = str_replace($matches['0'][$i],
|
| $matches['1'][$i].'<a href="http'.
|
| $matches['4'][$i].'://'.
|
| $matches['5'][$i].
|
| $matches['6'][$i].'"'.$pop.'>http'.
|
| $matches['4'][$i].'://'.
|
| $matches['5'][$i].
|
| $matches['6'][$i].'</a>'.
|
| $period, $str);
|
| }
|
| }
|
| }
|
|
|
| if ($type != 'url')
|
| {
|
| if (preg_match_all("/([a-zA-Z0-9_\.\-]+)@([a-zA-Z0-9\-]+)\.([a-zA-Z0-9\-\.]*)/i", $str, $matches))
|
| {
|
| for ($i = 0; $i < sizeof($matches['0']); $i++)
|
| {
|
| $period = '';
|
| if (preg_match("|\.$|", $matches['3'][$i]))
|
| {
|
| $period = '.';
|
| $matches['3'][$i] = substr($matches['3'][$i], 0, -1);
|
| }
|
|
|
| $str = str_replace($matches['0'][$i], safe_mailto($matches['1'][$i].'@'.$matches['2'][$i].'.'.$matches['3'][$i]).$period, $str);
|
| }
|
|
|
| }
|
| }
|
| return $str;
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Prep URL
|
| *
|
| * Simply adds the http:// part if missing
|
| *
|
| * @access public
|
| * @param string the URL
|
| * @return string
|
| */
|
| if (! function_exists('prep_url'))
|
| {
|
| function prep_url($str = '')
|
| {
|
| if ($str == 'http://' OR $str == '')
|
| {
|
| return '';
|
| }
|
|
|
| if (substr($str, 0, 7) != 'http://' && substr($str, 0, 8) != 'https://')
|
| {
|
| $str = 'http://'.$str;
|
| }
|
|
|
| return $str;
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Create URL Title
|
| *
|
| * Takes a "title" string as input and creates a
|
| * human-friendly URL string with either a dash
|
| * or an underscore as the word separator.
|
| *
|
| * @access public
|
| * @param string the string
|
| * @param string the separator: dash, or underscore
|
| * @return string
|
| */
|
| if (! function_exists('url_title'))
|
| {
|
| function url_title($str, $separator = 'dash')
|
| {
|
| if ($separator == 'dash')
|
| {
|
| $search = '_';
|
| $replace = '-';
|
| }
|
| else
|
| {
|
| $search = '-';
|
| $replace = '_';
|
| }
|
|
|
| $trans = array(
|
| $search => $replace,
|
| "\s+" => $replace,
|
| "[^a-z0-9".$replace."]" => '',
|
| $replace."+" => $replace,
|
| $replace."$" => '',
|
| "^".$replace => ''
|
| );
|
|
|
| $str = strip_tags(strtolower($str));
|
|
|
| foreach ($trans as $key => $val)
|
| {
|
| $str = preg_replace("#".$key."#", $val, $str);
|
| }
|
|
|
| return trim(stripslashes($str));
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Header Redirect
|
| *
|
| * Header redirect in two flavors
|
| * For very fine grained control over headers, you could use the Output
|
| * Library's set_header() function.
|
| *
|
| * @access public
|
| * @param string the URL
|
| * @param string the method: location or redirect
|
| * @return string
|
| */
|
| if (! function_exists('redirect'))
|
| {
|
| function redirect($uri = '', $method = 'location', $http_response_code = 302)
|
| {
|
| switch($method)
|
| {
|
| case 'refresh' : header("Refresh:0;url=".site_url($uri));
|
| break;
|
| default : header("Location: ".site_url($uri), TRUE, $http_response_code);
|
| break;
|
| }
|
| exit;
|
| }
|
| }
|
|
|
| // ------------------------------------------------------------------------
|
|
|
| /**
|
| * Parse out the attributes
|
| *
|
| * Some of the functions use this
|
| *
|
| * @access private
|
| * @param array
|
| * @param bool
|
| * @return string
|
| */
|
| if (! function_exists('_parse_attributes'))
|
| {
|
| function _parse_attributes($attributes, $javascript = FALSE)
|
| {
|
| if (is_string($attributes))
|
| {
|
| return ($attributes != '') ? ' '.$attributes : '';
|
| }
|
|
|
| $att = '';
|
| foreach ($attributes as $key => $val)
|
| {
|
| if ($javascript == TRUE)
|
| {
|
| $att .= $key . '=' . $val . ',';
|
| }
|
| else
|
| {
|
| $att .= ' ' . $key . '="' . $val . '"';
|
| }
|
| }
|
|
|
| if ($javascript == TRUE AND $att != '')
|
| {
|
| $att = substr($att, 0, -1);
|
| }
|
|
|
| return $att;
|
| }
|
| }
|
|
|
| |
| /* End of file url_helper.php */ |
| /* Location: ./system/helpers/url_helper.php */ |