New file |
0,0 → 1,582 |
<?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 */ |