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<?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) 2008, 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 $CI->config->slash_item('base_url');}}// ------------------------------------------------------------------------/*** Current URL** Returns the full URL (including segments) of the page where this* function is placed** @access public* @return string*/if ( ! function_exists('current_url')){function current_url(){$CI =& get_instance();return $CI->config->site_url($CI->uri->uri_string());}}// ------------------------------------------------------------------------/*** URL String** Returns the URI segments.** @access public* @return string*/if ( ! function_exists('uri_string')){function uri_string(){$CI =& get_instance();return $CI->uri->uri_string();}}// ------------------------------------------------------------------------/*** Index page** Returns the "index_page" from your config file** @access public* @return string*/if ( ! function_exists('index_page')){function index_page(){$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];unset($attributes[$key]);}if ($attributes != ''){$attributes = _parse_attributes($attributes);}return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"$attributes>".$title."</a>";}}// ------------------------------------------------------------------------/*** Mailto Link** @access public* @param string the email address* @param string the link title* @param mixed any attributes* @return string*/if ( ! function_exists('mailto')){function mailto($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_\.\-\+Å]+)@([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('&\#\d+?;' => '','&\S+?;' => '','\s+' => $replace,'[^a-z0-9\-\._]' => '',$replace.'+' => $replace,$replace.'$' => $replace,'^'.$replace => $replace);$str = strip_tags($str);foreach ($trans as $key => $val){$str = preg_replace("#".$key."#i", $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 */