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authorFlorian Pritz <bluewind@xinu.at>2017-09-26 13:46:14 +0200
committerFlorian Pritz <bluewind@xinu.at>2017-09-26 13:46:14 +0200
commit3ff6ffa3341c876b741feb66552cdd110b67872e (patch)
tree69e11cd0009ddd1346f2dc4cd8c47244368db28e /system/helpers/url_helper.php
parentbc2f7f596f727e204e8b8c5b849545745b3cbfaa (diff)
parent81a4c8c630ef59cffea0c24e64fb6fa7f09bfcf6 (diff)
Merge CodeIgniter 3 support
Diffstat (limited to 'system/helpers/url_helper.php')
-rw-r--r--system/helpers/url_helper.php607
1 files changed, 291 insertions, 316 deletions
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
index 0e410d81c..84023affd 100644
--- a/system/helpers/url_helper.php
+++ b/system/helpers/url_helper.php
@@ -1,19 +1,41 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP
*
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
+ * This content is released under the MIT License (MIT)
+ *
+ * Copyright (c) 2014 - 2017, 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 - 2017, 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 URL Helpers
@@ -21,66 +43,63 @@
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/helpers/url_helper.html
+ * @author EllisLab Dev Team
+ * @link https://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 = '')
+ /**
+ * 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.
+ *
+ * @param string $uri
+ * @param string $protocol
+ * @return string
+ */
+ function site_url($uri = '', $protocol = NULL)
{
- $CI =& get_instance();
- return $CI->config->site_url($uri);
+ return get_instance()->config->site_url($uri, $protocol);
}
}
// ------------------------------------------------------------------------
-/**
- * Base URL
- *
- * Create a local URL based on your basepath.
- * Segments can be passed in as a string or an array, same as site_url
- * or a URL to a file can be passed in, e.g. to an image file.
- *
- * @access public
- * @param string
- * @return string
- */
if ( ! function_exists('base_url'))
{
- function base_url($uri = '')
+ /**
+ * Base URL
+ *
+ * Create a local URL based on your basepath.
+ * Segments can be passed in as a string or an array, same as site_url
+ * or a URL to a file can be passed in, e.g. to an image file.
+ *
+ * @param string $uri
+ * @param string $protocol
+ * @return string
+ */
+ function base_url($uri = '', $protocol = NULL)
{
- $CI =& get_instance();
- return $CI->config->base_url($uri);
+ return get_instance()->config->base_url($uri, $protocol);
}
}
// ------------------------------------------------------------------------
-/**
- * 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'))
{
+ /**
+ * Current URL
+ *
+ * Returns the full URL (including segments) of the page where this
+ * function is placed
+ *
+ * @return string
+ */
function current_url()
{
$CI =& get_instance();
@@ -89,78 +108,69 @@ if ( ! function_exists('current_url'))
}
// ------------------------------------------------------------------------
-/**
- * URL String
- *
- * Returns the URI segments.
- *
- * @access public
- * @return string
- */
+
if ( ! function_exists('uri_string'))
{
+ /**
+ * URL String
+ *
+ * Returns the URI segments.
+ *
+ * @return string
+ */
function uri_string()
{
- $CI =& get_instance();
- return $CI->uri->uri_string();
+ return get_instance()->uri->uri_string();
}
}
// ------------------------------------------------------------------------
-/**
- * Index page
- *
- * Returns the "index_page" from your config file
- *
- * @access public
- * @return string
- */
if ( ! function_exists('index_page'))
{
+ /**
+ * Index page
+ *
+ * Returns the "index_page" from your config file
+ *
+ * @return string
+ */
function index_page()
{
- $CI =& get_instance();
- return $CI->config->item('index_page');
+ return get_instance()->config->item('index_page');
}
}
// ------------------------------------------------------------------------
-/**
- * Anchor Link
- *
- * Creates an anchor based on the local URL.
- *
- * @access public
- * @param string the URL
- * @param string the link title
- * @param mixed any attributes
- * @return string
- */
if ( ! function_exists('anchor'))
{
+ /**
+ * Anchor Link
+ *
+ * Creates an anchor based on the local URL.
+ *
+ * @param string the URL
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
function anchor($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);
- }
+ $site_url = is_array($uri)
+ ? site_url($uri)
+ : (preg_match('#^(\w+:)?//#i', $uri) ? $uri : site_url($uri));
- if ($title == '')
+ if ($title === '')
{
$title = $site_url;
}
- if ($attributes != '')
+ if ($attributes !== '')
{
- $attributes = _parse_attributes($attributes);
+ $attributes = _stringify_attributes($attributes);
}
return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>';
@@ -169,139 +179,141 @@ if ( ! function_exists('anchor'))
// ------------------------------------------------------------------------
-/**
- * Anchor Link - Pop-up version
- *
- * Creates an anchor based on the local URL. The link
- * opens a new window based on the attributes specified.
- *
- * @access public
- * @param string the URL
- * @param string the link title
- * @param mixed any attributes
- * @return string
- */
if ( ! function_exists('anchor_popup'))
{
+ /**
+ * Anchor Link - Pop-up version
+ *
+ * Creates an anchor based on the local URL. The link
+ * opens a new window based on the attributes specified.
+ *
+ * @param string the URL
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
function anchor_popup($uri = '', $title = '', $attributes = FALSE)
{
$title = (string) $title;
+ $site_url = preg_match('#^(\w+:)?//#i', $uri) ? $uri : site_url($uri);
- $site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri;
-
- if ($title == '')
+ if ($title === '')
{
$title = $site_url;
}
if ($attributes === FALSE)
{
- return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank');\">".$title."</a>";
+ return '<a href="'.$site_url.'" onclick="window.open(\''.$site_url."', '_blank'); return false;\">".$title.'</a>';
}
if ( ! is_array($attributes))
{
- $attributes = array();
- }
+ $attributes = array($attributes);
- foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0', ) as $key => $val)
+ // Ref: http://www.w3schools.com/jsref/met_win_open.asp
+ $window_name = '_blank';
+ }
+ elseif ( ! empty($attributes['window_name']))
{
- $atts[$key] = ( ! isset($attributes[$key])) ? $val : $attributes[$key];
- unset($attributes[$key]);
+ $window_name = $attributes['window_name'];
+ unset($attributes['window_name']);
+ }
+ else
+ {
+ $window_name = '_blank';
}
- if ($attributes != '')
+ foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'menubar' => 'no', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0') as $key => $val)
{
- $attributes = _parse_attributes($attributes);
+ $atts[$key] = isset($attributes[$key]) ? $attributes[$key] : $val;
+ unset($attributes[$key]);
}
- return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"$attributes>".$title."</a>";
+ $attributes = _stringify_attributes($attributes);
+
+ return '<a href="'.$site_url
+ .'" onclick="window.open(\''.$site_url."', '".$window_name."', '"._stringify_attributes($atts, TRUE)."'); return false;\""
+ .$attributes.'>'.$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'))
{
+ /**
+ * Mailto Link
+ *
+ * @param string the email address
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
function mailto($email, $title = '', $attributes = '')
{
$title = (string) $title;
- if ($title == "")
+ if ($title === '')
{
$title = $email;
}
- $attributes = _parse_attributes($attributes);
-
- return '<a href="mailto:'.$email.'"'.$attributes.'>'.$title.'</a>';
+ return '<a href="mailto:'.$email.'"'._stringify_attributes($attributes).'>'.$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'))
{
+ /**
+ * Encoded Mailto Link
+ *
+ * Create a spam-protected mailto link written in Javascript
+ *
+ * @param string the email address
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
function safe_mailto($email, $title = '', $attributes = '')
{
$title = (string) $title;
- if ($title == "")
+ if ($title === '')
{
$title = $email;
}
- for ($i = 0; $i < 16; $i++)
- {
- $x[] = substr('<a href="mailto:', $i, 1);
- }
+ $x = str_split('<a href="mailto:', 1);
- for ($i = 0; $i < strlen($email); $i++)
+ for ($i = 0, $l = strlen($email); $i < $l; $i++)
{
- $x[] = "|".ord(substr($email, $i, 1));
+ $x[] = '|'.ord($email[$i]);
}
$x[] = '"';
- if ($attributes != '')
+ if ($attributes !== '')
{
if (is_array($attributes))
{
foreach ($attributes as $key => $val)
{
- $x[] = ' '.$key.'="';
- for ($i = 0; $i < strlen($val); $i++)
+ $x[] = ' '.$key.'="';
+ for ($i = 0, $l = strlen($val); $i < $l; $i++)
{
- $x[] = "|".ord(substr($val, $i, 1));
+ $x[] = '|'.ord($val[$i]);
}
$x[] = '"';
}
}
else
{
- for ($i = 0; $i < strlen($attributes); $i++)
+ for ($i = 0, $l = strlen($attributes); $i < $l; $i++)
{
- $x[] = substr($attributes, $i, 1);
+ $x[] = $attributes[$i];
}
}
}
@@ -309,26 +321,28 @@ if ( ! function_exists('safe_mailto'))
$x[] = '>';
$temp = array();
- for ($i = 0; $i < strlen($title); $i++)
+ for ($i = 0, $l = strlen($title); $i < $l; $i++)
{
$ordinal = ord($title[$i]);
if ($ordinal < 128)
{
- $x[] = "|".$ordinal;
+ $x[] = '|'.$ordinal;
}
else
{
- if (count($temp) == 0)
+ if (count($temp) === 0)
{
$count = ($ordinal < 224) ? 2 : 3;
}
$temp[] = $ordinal;
- if (count($temp) == $count)
+ if (count($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;
+ $number = ($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();
}
@@ -338,89 +352,75 @@ if ( ! function_exists('safe_mailto'))
$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;
+
+ $output = "<script type=\"text/javascript\">\n"
+ ."\t//<![CDATA[\n"
+ ."\tvar l=new Array();\n";
+
+ for ($i = 0, $c = count($x); $i < $c; $i++)
+ {
+ $output .= "\tl[".$i."] = '".$x[$i]."';\n";
+ }
+
+ $output .= "\n\tfor (var i = l.length-1; i >= 0; i=i-1) {\n"
+ ."\t\tif (l[i].substring(0, 1) === '|') document.write(\"&#\"+unescape(l[i].substring(1))+\";\");\n"
+ ."\t\telse document.write(unescape(l[i]));\n"
+ ."\t}\n"
+ ."\t//]]>\n"
+ .'</script>';
+
+ return $output;
}
}
// ------------------------------------------------------------------------
-/**
- * Auto-linker
- *
- * Automatically links URL and Email addresses.
- * Note: There's a bit of extra code here to deal with
- * URLs or emails that end in a period. We'll strip these
- * off and add them after the link.
- *
- * @access public
- * @param string the string
- * @param string the type: email, url, or both
- * @param bool whether to create pop-up links
- * @return string
- */
if ( ! function_exists('auto_link'))
{
+ /**
+ * Auto-linker
+ *
+ * Automatically links URL and Email addresses.
+ * Note: There's a bit of extra code here to deal with
+ * URLs or emails that end in a period. We'll strip these
+ * off and add them after the link.
+ *
+ * @param string the string
+ * @param string the type: email, url, or both
+ * @param bool whether to create pop-up links
+ * @return string
+ */
function auto_link($str, $type = 'both', $popup = FALSE)
{
- if ($type != 'email')
+ // Find and replace any URLs.
+ if ($type !== 'email' && preg_match_all('#(\w*://|www\.)[^\s()<>;]+\w#i', $str, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER))
{
- if (preg_match_all("#(^|\s|\()((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i", $str, $matches))
- {
- $pop = ($popup == TRUE) ? " target=\"_blank\" " : "";
-
- for ($i = 0; $i < count($matches['0']); $i++)
- {
- $period = '';
- if (preg_match("|\.$|", $matches['6'][$i]))
- {
- $period = '.';
- $matches['6'][$i] = substr($matches['6'][$i], 0, -1);
- }
+ // Set our target HTML if using popup links.
+ $target = ($popup) ? ' target="_blank"' : '';
- $str = str_replace($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, $str);
- }
+ // We process the links in reverse order (last -> first) so that
+ // the returned string offsets from preg_match_all() are not
+ // moved as we add more HTML.
+ foreach (array_reverse($matches) as $match)
+ {
+ // $match[0] is the matched string/link
+ // $match[1] is either a protocol prefix or 'www.'
+ //
+ // With PREG_OFFSET_CAPTURE, both of the above is an array,
+ // where the actual value is held in [0] and its offset at the [1] index.
+ $a = '<a href="'.(strpos($match[1][0], '/') ? '' : 'http://').$match[0][0].'"'.$target.'>'.$match[0][0].'</a>';
+ $str = substr_replace($str, $a, $match[0][1], strlen($match[0][0]));
}
}
- if ($type != 'url')
+ // Find and replace any emails.
+ if ($type !== 'url' && preg_match_all('#([\w\.\-\+]+@[a-z0-9\-]+\.[a-z0-9\-\.]+[^[:punct:]\s])#i', $str, $matches, PREG_OFFSET_CAPTURE))
{
- if (preg_match_all("/([a-zA-Z0-9_\.\-\+]+)@([a-zA-Z0-9\-]+)\.([a-zA-Z0-9\-\.]*)/i", $str, $matches))
+ foreach (array_reverse($matches[0]) as $match)
{
- for ($i = 0; $i < count($matches['0']); $i++)
+ if (filter_var($match[0], FILTER_VALIDATE_EMAIL) !== FALSE)
{
- $period = '';
- if (preg_match("|\.$|", $matches['3'][$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);
+ $str = substr_replace($str, safe_mailto($match[0]), $match[1], strlen($match[0]));
}
}
}
@@ -431,20 +431,19 @@ if ( ! function_exists('auto_link'))
// ------------------------------------------------------------------------
-/**
- * Prep URL
- *
- * Simply adds the http:// part if no scheme is included
- *
- * @access public
- * @param string the URL
- * @return string
- */
if ( ! function_exists('prep_url'))
{
+ /**
+ * Prep URL
+ *
+ * Simply adds the http:// part if no scheme is included
+ *
+ * @param string the URL
+ * @return string
+ */
function prep_url($str = '')
{
- if ($str == 'http://' OR $str == '')
+ if ($str === 'http://' OR $str === '')
{
return '';
}
@@ -453,7 +452,7 @@ if ( ! function_exists('prep_url'))
if ( ! $url OR ! isset($url['scheme']))
{
- $str = 'http://'.$str;
+ return 'http://'.$str;
}
return $str;
@@ -462,45 +461,46 @@ if ( ! function_exists('prep_url'))
// ------------------------------------------------------------------------
-/**
- * Create URL Title
- *
- * Takes a "title" string as input and creates a
- * human-friendly URL string with a "separator" string
- * as the word separator.
- *
- * @access public
- * @param string the string
- * @param string the separator
- * @return string
- */
if ( ! function_exists('url_title'))
{
+ /**
+ * Create URL Title
+ *
+ * Takes a "title" string as input and creates a
+ * human-friendly URL string with a "separator" string
+ * as the word separator.
+ *
+ * @todo Remove old 'dash' and 'underscore' usage in 3.1+.
+ * @param string $str Input string
+ * @param string $separator Word separator
+ * (usually '-' or '_')
+ * @param bool $lowercase Whether to transform the output string to lowercase
+ * @return string
+ */
function url_title($str, $separator = '-', $lowercase = FALSE)
{
- if ($separator == 'dash')
+ if ($separator === 'dash')
{
- $separator = '-';
+ $separator = '-';
}
- else if ($separator == 'underscore')
+ elseif ($separator === 'underscore')
{
- $separator = '_';
+ $separator = '_';
}
-
- $q_separator = preg_quote($separator);
+
+ $q_separator = preg_quote($separator, '#');
$trans = array(
- '&.+?;' => '',
- '[^a-z0-9 _-]' => '',
- '\s+' => $separator,
- '('.$q_separator.')+' => $separator
+ '&.+?;' => '',
+ '[^\w\d _-]' => '',
+ '\s+' => $separator,
+ '('.$q_separator.')+' => $separator
);
$str = strip_tags($str);
-
foreach ($trans as $key => $val)
{
- $str = preg_replace("#".$key."#i", $val, $str);
+ $str = preg_replace('#'.$key.'#i'.(UTF8_ENABLED ? 'u' : ''), $val, $str);
}
if ($lowercase === TRUE)
@@ -508,87 +508,62 @@ if ( ! function_exists('url_title'))
$str = strtolower($str);
}
- return trim($str, $separator);
+ return trim(trim($str, $separator));
}
}
// ------------------------------------------------------------------------
-/**
- * Header Redirect
- *
- * Header redirect in two flavors
- * For very fine grained control over headers, you could use the Output
- * Library's set_header() function.
- *
- * @access public
- * @param string the URL
- * @param string the method: location or redirect
- * @return string
- */
if ( ! function_exists('redirect'))
{
- function redirect($uri = '', $method = 'location', $http_response_code = 302)
+ /**
+ * Header Redirect
+ *
+ * Header redirect in two flavors
+ * For very fine grained control over headers, you could use the Output
+ * Library's set_header() function.
+ *
+ * @param string $uri URL
+ * @param string $method Redirect method
+ * 'auto', 'location' or 'refresh'
+ * @param int $code HTTP Response status code
+ * @return void
+ */
+ function redirect($uri = '', $method = 'auto', $code = NULL)
{
- if ( ! preg_match('#^https?://#i', $uri))
+ if ( ! preg_match('#^(\w+:)?//#i', $uri))
{
$uri = site_url($uri);
}
- switch($method)
- {
- case 'refresh' : header("Refresh:0;url=".$uri);
- break;
- default : header("Location: ".$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))
+ // IIS environment likely? Use 'refresh' for better compatibility
+ if ($method === 'auto' && isset($_SERVER['SERVER_SOFTWARE']) && strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== FALSE)
{
- return ($attributes != '') ? ' '.$attributes : '';
+ $method = 'refresh';
}
-
- $att = '';
- foreach ($attributes as $key => $val)
+ elseif ($method !== 'refresh' && (empty($code) OR ! is_numeric($code)))
{
- if ($javascript == TRUE)
+ if (isset($_SERVER['SERVER_PROTOCOL'], $_SERVER['REQUEST_METHOD']) && $_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.1')
{
- $att .= $key . '=' . $val . ',';
+ $code = ($_SERVER['REQUEST_METHOD'] !== 'GET')
+ ? 303 // reference: http://en.wikipedia.org/wiki/Post/Redirect/Get
+ : 307;
}
else
{
- $att .= ' ' . $key . '="' . $val . '"';
+ $code = 302;
}
}
- if ($javascript == TRUE AND $att != '')
+ switch ($method)
{
- $att = substr($att, 0, -1);
+ case 'refresh':
+ header('Refresh:0;url='.$uri);
+ break;
+ default:
+ header('Location: '.$uri, TRUE, $code);
+ break;
}
-
- return $att;
+ exit;
}
}
-
-
-/* End of file url_helper.php */
-/* Location: ./system/helpers/url_helper.php */ \ No newline at end of file