Initial Import
diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php
new file mode 100644
index 0000000..cccde1f
--- /dev/null
+++ b/system/helpers/array_helper.php
@@ -0,0 +1,47 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Array Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/array_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Random Element - Takes an array as input and returns a random element
+ *
+ * @access public
+ * @param array
+ * @return mixed depends on what the array contains
+ */
+function random_element($array)
+{
+ if ( ! is_array($array))
+ {
+ return $array;
+ }
+ return $array[array_rand($array)];
+}
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/cookie_helper.php b/system/helpers/cookie_helper.php
new file mode 100644
index 0000000..24e243d
--- /dev/null
+++ b/system/helpers/cookie_helper.php
@@ -0,0 +1,77 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Cookie Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/cookie_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Set cookie
+ *
+ * Accepts six parameter, or you can submit an associative
+ * array in the first parameter containing all the values.
+ *
+ * @access public
+ * @param mixed
+ * @param string the value of the cookie
+ * @param string the number of seconds until expiration
+ * @param string the cookie domain. Usually: .yourdomain.com
+ * @param string the cookie path
+ * @param string the cookie prefix
+ * @return void
+ */
+function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '')
+{
+ if (is_array($name))
+ {
+ foreach (array('value', 'expire', 'domain', 'path', 'prefix', 'name') as $item)
+ {
+ if (isset($name[$item]))
+ {
+ $$item = $name[$item];
+ }
+ }
+ }
+
+ if ( ! is_numeric($expire))
+ {
+ $expire = time() - 86500;
+ }
+ else
+ {
+ if ($expire > 0)
+ {
+ $expire = time() + $expire;
+ }
+ else
+ {
+ $expire = 0;
+ }
+ }
+
+ setcookie($prefix.$name, $value, $expire, $path, $domain, 0);
+}
+
+?>
\ No newline at end of file
diff --git a/system/helpers/date_helper.php b/system/helpers/date_helper.php
new file mode 100644
index 0000000..2a3d508
--- /dev/null
+++ b/system/helpers/date_helper.php
@@ -0,0 +1,530 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Date Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/date_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Get "now" time
+ *
+ * Returns time() or its GMT equivalent based on the config file preference
+ *
+ * @access public
+ * @return integer
+ */
+function now()
+{
+ $obj =& get_instance();
+
+ if (strtolower($obj->config->item('time_reference')) == 'gmt')
+ {
+ $now = time();
+ $system_time = mktime(gmdate("H", $now), gmdate("i", $now), gmdate("s", $now), gmdate("m", $now), gmdate("d", $now), gmdate("Y", $now));
+
+ if (strlen($system_time) < 10)
+ {
+ $system_time = time();
+ log_message('error', 'The Date class could not set a proper GMT timestamp so the local time() value was used.');
+ }
+
+ return $system_time;
+ }
+ else
+ {
+ return time();
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert MySQL Style Datecodes
+ *
+ * This function is identical to PHPs date() function,
+ * except that it allows date codes to be formatted using
+ * the MySQL style, where each code letter is preceded
+ * with a percent sign: %Y %m %d etc...
+ *
+ * The benefit of doing dates this way is that you don't
+ * have to worry about escaping your text letters that
+ * match the date codes.
+ *
+ * @access public
+ * @param string
+ * @param integer
+ * @return integer
+ */
+function mdate($datestr = '', $time = '')
+{
+ if ($datestr == '')
+ return '';
+
+ if ($time == '')
+ $time = now();
+
+ $datestr = str_replace('%\\', '', preg_replace("/([a-z]+?){1}/i", "\\\\\\1", $datestr));
+ return date($datestr, $time);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert MySQL Style Datecodes
+ *
+ * Returns a span of seconds in this format:
+ * 10 days 14 hours 36 minutes 47 seconds
+ *
+ * @access public
+ * @param integer a number of seconds
+ * @param integer Unix timestamp
+ * @return integer
+ */
+function timespan($seconds = 1, $time = '')
+{
+ $obj =& get_instance();
+ $obj->lang->load('date');
+
+ if ( ! is_numeric($seconds))
+ {
+ $seconds = 1;
+ }
+
+ if ( ! is_numeric($time))
+ {
+ $time = time();
+ }
+
+ if ($time <= $seconds)
+ {
+ $seconds = 1;
+ }
+ else
+ {
+ $seconds = $time - $seconds;
+ }
+
+ $str = '';
+ $years = floor($seconds / 31536000);
+
+ if ($years > 0)
+ {
+ $str .= $years.' '.$obj->lang->line((($years > 1) ? 'date_years' : 'date_year')).', ';
+ }
+
+ $seconds -= $years * 31536000;
+ $months = floor($seconds / 2628000);
+
+ if ($years > 0 OR $months > 0)
+ {
+ if ($months > 0)
+ {
+ $str .= $months.' '.$obj->lang->line((($months > 1) ? 'date_months' : 'date_month')).', ';
+ }
+
+ $seconds -= $months * 2628000;
+ }
+
+ $weeks = floor($seconds / 604800);
+
+ if ($years > 0 OR $months > 0 OR $weeks > 0)
+ {
+ if ($weeks > 0)
+ {
+ $str .= $weeks.' '.$obj->lang->line((($weeks > 1) ? 'date_weeks' : 'date_week')).', ';
+ }
+
+ $seconds -= $weeks * 604800;
+ }
+
+ $days = floor($seconds / 86400);
+
+ if ($months > 0 OR $weeks > 0 OR $days > 0)
+ {
+ if ($days > 0)
+ {
+ $str .= $days.' '.$obj->lang->line((($days > 1) ? 'date_days' : 'date_day')).', ';
+ }
+
+ $seconds -= $days * 86400;
+ }
+
+ $hours = floor($seconds / 3600);
+
+ if ($days > 0 OR $hours > 0)
+ {
+ if ($hours > 0)
+ {
+ $str .= $hours.' '.$obj->lang->line((($hours > 1) ? 'date_hours' : 'date_hour')).', ';
+ }
+
+ $seconds -= $hours * 3600;
+ }
+
+ $minutes = floor($seconds / 60);
+
+ if ($days > 0 OR $hours > 0 OR $minutes > 0)
+ {
+ if ($minutes > 0)
+ {
+ $str .= $minutes.' '.$obj->lang->line((($minutes > 1) ? 'date_minutes' : 'date_minutes')).', ';
+ }
+
+ $seconds -= $minutes * 60;
+ }
+
+ if ($str == '')
+ {
+ $str .= $seconds.' '.$obj->lang->line((($seconds > 1) ? 'date_seconds' : 'date_second')).', ';
+ }
+
+ return substr(trim($str), 0, -1);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Number of days in a month
+ *
+ * Takes a month/year as input and returns the number of days
+ * for the given month/year. Takes leap years into consideration.
+ *
+ * @access public
+ * @param integer a numeric month
+ * @param integer a numeric year
+ * @return integer
+ */
+function days_in_month($month = 0, $year = '')
+{
+ if ($month < 1 OR $month > 12)
+ {
+ return 0;
+ }
+
+ if ( ! ctype_digit($year) OR strlen($year) != 4)
+ {
+ $year = date('Y');
+ }
+
+ if ($month == 2)
+ {
+ if ($year % 400 == 0 OR ($year % 4 == 0 AND $year % 100 != 0))
+ {
+ return 29;
+ }
+ }
+
+ $days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
+ return $days_in_month[$month - 1];
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Converts a local Unix timestamp to GMT
+ *
+ * @access public
+ * @param integer Unix timestamp
+ * @return integer
+ */
+function local_to_gmt($time = '')
+{
+ if ($time == '')
+ $time = time();
+
+ return mktime( gmdate("H", $time), gmdate("i", $time), gmdate("s", $time), gmdate("m", $time), gmdate("d", $time), gmdate("Y", $time));
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Converts GMT time to a localized value
+ *
+ * Takes a Unix timestamp (in GMT) as input, and returns
+ * at the local value based on the timezone and DST setting
+ * submitted
+ *
+ * @access public
+ * @param integer Unix timestamp
+ * @param string timezone
+ * @param bool whether DST is active
+ * @return integer
+ */
+function gmt_to_local($time = '', $timezone = 'UTC', $dst = FALSE)
+{
+ if ($time == '')
+ {
+ return now();
+ }
+
+ $time += timezones($timezone) * 3600;
+
+ if ($dst == TRUE)
+ {
+ $time += 3600;
+ }
+
+ return $time;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Converts a MySQL Timestamp to Unix
+ *
+ * @access public
+ * @param integer Unix timestamp
+ * @return integer
+ */
+function mysql_to_unix($time = '')
+{
+ // We'll remove certain characters for backward compatibility
+ // since the formatting changed with MySQL 4.1
+ // YYYY-MM-DD HH:MM:SS
+
+ $time = str_replace('-', '', $time);
+ $time = str_replace(':', '', $time);
+ $time = str_replace(' ', '', $time);
+
+ // YYYYMMDDHHMMSS
+ return mktime(
+ substr($time, 8, 2),
+ substr($time, 10, 2),
+ substr($time, 12, 2),
+ substr($time, 4, 2),
+ substr($time, 6, 2),
+ substr($time, 0, 4)
+ );
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Unix to "Human"
+ *
+ * Formats Unix timestamp to the following prototype: 2006-08-21 11:35 PM
+ *
+ * @access public
+ * @param integer Unix timestamp
+ * @param bool whether to show seconds
+ * @param string format: us or euro
+ * @return string
+ */
+function unix_to_human($time = '', $seconds = FALSE, $fmt = 'us')
+{
+ $r = date('Y', $time).'-'.date('m', $time).'-'.date('d', $time).' ';
+
+ if ($fmt == 'us')
+ {
+ $r .= date('h', $time).':'.date('i', $time);
+ }
+ else
+ {
+ $r .= date('H', $time).':'.date('i', $time);
+ }
+
+ if ($seconds)
+ {
+ $r .= ':'.date('s', $time);
+ }
+
+ if ($fmt == 'us')
+ {
+ $r .= ' '.date('A', $time);
+ }
+
+ return $r;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert "human" date to GMT
+ *
+ * Reverses the above process
+ *
+ * @access public
+ * @param string format: us or euro
+ * @return integer
+ */
+function human_to_unix($datestr = '')
+{
+ if ($datestr == '')
+ {
+ return FALSE;
+ }
+
+ $datestr = trim($datestr);
+ $datestr = preg_replace("/\040+/", "\040", $datestr);
+
+ if ( ! ereg("^[0-9]{2,4}\-[0-9]{1,2}\-[0-9]{1,2}\040[0-9]{1,2}:[0-9]{1,2}.*$", $datestr))
+ {
+ return FALSE;
+ }
+
+ $split = preg_split("/\040/", $datestr);
+
+ $ex = explode("-", $split['0']);
+
+ $year = (strlen($ex['0']) == 2) ? '20'.$ex['0'] : $ex['0'];
+ $month = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+ $day = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+
+ $ex = explode(":", $split['1']);
+
+ $hour = (strlen($ex['0']) == 1) ? '0'.$ex['0'] : $ex['0'];
+ $min = (strlen($ex['1']) == 1) ? '0'.$ex['1'] : $ex['1'];
+
+ if (isset($ex['2']) AND ereg("[0-9]{1,2}", $ex['2']))
+ {
+ $sec = (strlen($ex['2']) == 1) ? '0'.$ex['2'] : $ex['2'];
+ }
+ else
+ {
+ // Unless specified, seconds get set to zero.
+ $sec = '00';
+ }
+
+ if (isset($split['2']))
+ {
+ $ampm = strtolower($split['2']);
+
+ if (substr($ampm, 0, 1) == 'p' AND $hour < 12)
+ $hour = $hour + 12;
+
+ if (substr($ampm, 0, 1) == 'a' AND $hour == 12)
+ $hour = '00';
+
+ if (strlen($hour) == 1)
+ $hour = '0'.$hour;
+ }
+
+ return mktime($hour, $min, $sec, $month, $day, $year);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Timezone Menu
+ *
+ * Generates a drop-down menu of timezones.
+ *
+ * @access public
+ * @param string timezone
+ * @param string classname
+ * @param string menu name
+ * @return string
+ */
+function timezone_menu($default = 'UTC', $class = "", $name = 'timezones')
+{
+ $obj =& get_instance();
+ $obj->lang->load('date');
+
+ if ($default == 'GMT')
+ $default = 'UTC';
+
+ $menu = '<select name="'.$name.'"';
+
+ if ($class != '')
+ {
+ $menu .= ' class="'.$class.'"';
+ }
+
+ $menu .= ">\n";
+
+ foreach (timezones() as $key => $val)
+ {
+ $selected = ($default == $key) ? " selected='selected'" : '';
+ $menu .= "<option value='{$key}'{$selected}>".$obj->lang->line($key)."</option>\n";
+ }
+
+ $menu .= "</select>";
+
+ return $menu;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Timezones
+ *
+ * Returns an array of timezones. This is a helper function
+ * for varios other ones in this library
+ *
+ * @access public
+ * @param string timezone
+ * @return string
+ */
+function timezones($tz = '')
+{
+ // Note: Don't change the order of these even though
+ // some items appear to be in the wrong order
+
+ $zones = array(
+ 'UM12' => -12,
+ 'UM11' => -11,
+ 'UM10' => -10,
+ 'UM9' => -9,
+ 'UM8' => -8,
+ 'UM7' => -7,
+ 'UM6' => -6,
+ 'UM5' => -5,
+ 'UM4' => -4,
+ 'UM25' => -2.5,
+ 'UM3' => -3,
+ 'UM2' => -2,
+ 'UM1' => -1,
+ 'UTC' => 0,
+ 'UP1' => +1,
+ 'UP2' => +2,
+ 'UP3' => +3,
+ 'UP25' => +2.5,
+ 'UP4' => +4,
+ 'UP35' => +3.5,
+ 'UP5' => +5,
+ 'UP45' => +4.5,
+ 'UP6' => +6,
+ 'UP7' => +7,
+ 'UP8' => +8,
+ 'UP9' => +9,
+ 'UP85' => +8.5,
+ 'UP10' => +10,
+ 'UP11' => +11,
+ 'UP12' => +12
+ );
+
+ if ($tz == '')
+ {
+ return $zones;
+ }
+
+ if ($tz == 'GMT')
+ $tz = 'UTC';
+
+ return ( ! isset($zones[$tz])) ? 0 : $zones[$tz];
+}
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php
new file mode 100644
index 0000000..69eb13d
--- /dev/null
+++ b/system/helpers/directory_helper.php
@@ -0,0 +1,69 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Directory Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/directory_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Create a Direcotry Map
+ *
+ * Reads the specified directory and builds an array
+ * representation of it. Sub-folders contained with the
+ * directory will be mapped as well.
+ *
+ * @access public
+ * @param string path to source
+ * @param bool whether to limit the result to the top level only
+ * @return array
+ */
+function directory_map($source_dir, $top_level_only = FALSE)
+{
+ if ( ! isset($filedata))
+ $filedata = array();
+
+ if ($fp = @opendir($source_dir))
+ {
+ while (FALSE !== ($file = readdir($fp)))
+ {
+ if (@is_dir($source_dir.$file) && substr($file, 0, 1) != '.' AND $top_level_only == FALSE)
+ {
+ $temp_array = array();
+
+ $temp_array = directory_map($source_dir.$file."/");
+
+ $filedata[$file] = $temp_array;
+ }
+ elseif (substr($file, 0, 1) != ".")
+ {
+ $filedata[] = $file;
+ }
+ }
+ return $filedata;
+ }
+}
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
new file mode 100644
index 0000000..93bddb0
--- /dev/null
+++ b/system/helpers/file_helper.php
@@ -0,0 +1,139 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter File Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/file_helpers.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Read File
+ *
+ * Opens the file specfied in the path and returns it as a string.
+ *
+ * @access public
+ * @param string path to file
+ * @return string
+ */
+function read_file($file)
+{
+ if ( ! file_exists($file))
+ {
+ return FALSE;
+ }
+
+ if ( ! $fp = @fopen($file, 'rb'))
+ {
+ return FALSE;
+ }
+
+ flock($fp, LOCK_SH);
+
+ $data = '';
+ if (filesize($file) > 0)
+ {
+ $data = fread($fp, filesize($file));
+ }
+
+ flock($fp, LOCK_UN);
+ fclose($fp);
+
+ return $data;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Write File
+ *
+ * Writes data to the file specified in the path.
+ * Creats a new file if non-existant.
+ *
+ * @access public
+ * @param string path to file
+ * @param string file data
+ * @return bool
+ */
+function write_file($path, $data)
+{
+ if ( ! $fp = @fopen($path, 'wb'))
+ {
+ return FALSE;
+ }
+
+ flock($fp, LOCK_EX);
+ fwrite($fp, $data);
+ flock($fp, LOCK_UN);
+ fclose($fp);
+
+ return TRUE;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Delete Files
+ *
+ * Deletes all files contained in the supplied directory path.
+ * Files must be writable or owned by the system in order to be deleted.
+ * If the second parameter is set to TRUE, any direcotries contained
+ * within the supplied base directory will be nuked as well.
+ *
+ * @access public
+ * @param string path to file
+ * @param bool whether to delete any directories found in the path
+ * @return bool
+ */
+function delete_files($path, $del_dir = FALSE)
+{
+ // Trim the trailing slahs
+ $path = preg_replace("|^(.+?)/*$|", "\\1", $path);
+
+ if ( ! $current_dir = @opendir($path))
+ return;
+
+ while(FALSE !== ($filename = @readdir($current_dir)))
+ {
+ if ($filename != "." and $filename != "..")
+ {
+ if (is_dir($path.'/'.$filename))
+ {
+ delete_files($path.'/'.$filename, $del_dir);
+ }
+ else
+ {
+ unlink($path.'/'.$filename);
+ }
+ }
+ }
+ @closedir($current_dir);
+
+ if ($del_dir == TRUE)
+ {
+ @rmdir($path);
+ }
+}
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
new file mode 100644
index 0000000..f82ad01
--- /dev/null
+++ b/system/helpers/form_helper.php
@@ -0,0 +1,382 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Form Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/form_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration
+ *
+ * Creates the opening portion of the form.
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+function form_open($action, $attributes = array(), $hidden = array())
+{
+ $obj =& get_instance();
+
+ $form = '<form method="post" action="'.$obj->config->site_url($action).'"';
+
+ if (is_array($attributes) AND count($attributes) > 0)
+ {
+ foreach ($attributes as $key => $val)
+ {
+ $form .= ' '.$key.'="'.$val.'"';
+ }
+ }
+
+ $form .= '>';
+
+ if (is_array($hidden) AND count($hidden > 0))
+ {
+ $form .= form_hidden($hidden);
+ }
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration - Multipart type
+ *
+ * Creates the opening portion of the form, but with "multipart/form-data".
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+function form_open_multipart($action, $attributes = array(), $hidden = array())
+{
+ $attributes['enctype'] = 'multipart/form-data';
+ return form_open($action, $attributes, $hidden);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Hidden Input Field
+ *
+ * Generates hidden fields. You can pass a simple key/value string or an associative
+ * array with multiple values.
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @return string
+ */
+function form_hidden($name, $value = '')
+{
+ if ( ! is_array($name))
+ {
+ return '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
+ }
+
+ $form = '';
+ foreach ($name as $name => $value)
+ {
+ $form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
+ }
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Text Input Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_input($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value, 'maxlength' => '500', 'size' => '50');
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Password Field
+ *
+ * Identical to the input function but adds the "password" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_password($data = '', $value = '', $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'password';
+ return form_input($data, $value, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Upload Field
+ *
+ * Identical to the input function but adds the "file" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_upload($data = '', $value = '', $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'file';
+ return form_input($data, $value, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Textarea field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_textarea($data = '', $value = '', $extra = '')
+{
+ $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
+
+ $val = (( ! is_array($data) OR ! isset($data['value'])) ? $value : $data['value']);
+
+ return "<textarea ".parse_form_attributes($data, $defaults).$extra.">".$val."</textarea>\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Dropdown Menu
+ *
+ * @access public
+ * @param string
+ * @param array
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_dropdown($name = '', $options = array(), $selected = '', $extra = '')
+{
+ if ($extra != '') $extra = ' '.$extra;
+
+ $form = '<select name="'.$name.'"'.$extra.">\n";
+
+ foreach ($options as $key => $val)
+ {
+ $sel = ($selected != $key) ? '' : ' selected="selected"';
+
+ $form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
+ }
+
+ $form .= '</select>';
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Checkbox Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+function form_checkbox($data = '', $value = '', $checked = TRUE, $extra = '')
+{
+ $defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ if (isset($data['checked']))
+ {
+ $checked = $data['checked'];
+
+ if ($checked == FALSE)
+ unset($data['checked']);
+ }
+
+ if ($checked == TRUE)
+ $defaults['checked'] = ' checked="checked"';
+ else
+ unset($defaults['checked']);
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Radio Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+function form_radio($data = '', $value = '', $checked = TRUE, $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'radio';
+ return form_checkbox($data, $value, $checked, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Submit Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_submit($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Close Tag
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function form_close($extra = '')
+{
+ return "</form>\n".$extra;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Prep
+ *
+ * Formats text so that it can be safely placed in a form field in the event it has HTML tags.
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function form_prep($str = '')
+{
+ if ($str == '')
+ {
+ return '';
+ }
+
+ return str_replace(array("'", '"'), array("'", """), htmlspecialchars($str));
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse the form attributes
+ *
+ * Helper function used by some of the form helpers
+ *
+ * @access private
+ * @param array
+ * @parm array
+ * @return string
+ */
+function parse_form_attributes($attributes, $default)
+{
+ if (is_array($attributes))
+ {
+ foreach ($default as $key => $val)
+ {
+ if (isset($attributes[$key]))
+ {
+ $default[$key] = $attributes[$key];
+ unset($attributes[$key]);
+ }
+ }
+
+ if (count($attributes) > 0)
+ {
+ $default = array_merge($default, $attributes);
+ }
+ }
+
+ $att = '';
+ foreach ($default as $key => $val)
+ {
+ if ($key == 'value')
+ {
+ $val = form_prep($val);
+ }
+
+ $att .= $key . '="' . $val . '" ';
+ }
+
+ return $att;
+}
+
+?>
\ No newline at end of file
diff --git a/system/helpers/html_helper.php b/system/helpers/html_helper.php
new file mode 100644
index 0000000..1c97dda
--- /dev/null
+++ b/system/helpers/html_helper.php
@@ -0,0 +1,76 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter HTML Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/html_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Heading
+ *
+ * Generates an HTML heading tag. First param is the data.
+ * Second param is the size of the heading tag.
+ *
+ * @access public
+ * @param string
+ * @param integer
+ * @return string
+ */
+function heading($data = '', $h = '1')
+{
+ return "<h".$h.">".$data."</h".$h.">";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Generates HTML BR tags based on number supplied
+ *
+ * @access public
+ * @param integer
+ * @return string
+ */
+function br($num = 1)
+{
+ return str_repeat("<br />", $num);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Generates non-breaking space entities based on number supplied
+ *
+ * @access public
+ * @param integer
+ * @return string
+ */
+function nbs($num = 1)
+{
+ return str_repeat(" ", $num);
+}
+
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/index.html b/system/helpers/index.html
new file mode 100644
index 0000000..5a1f5d6
--- /dev/null
+++ b/system/helpers/index.html
@@ -0,0 +1,15 @@
+<html>
+
+<head>
+
+<title>403 Forbidden</title>
+
+</head>
+
+<body bgcolor='#ffffff'>
+
+<p>Directory access is forbidden.<p>
+
+</body>
+
+</html>
\ No newline at end of file
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
new file mode 100644
index 0000000..918e4ae
--- /dev/null
+++ b/system/helpers/security_helper.php
@@ -0,0 +1,112 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Security Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/security_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * XSS Filtering
+ *
+ * @access public
+ * @parm string
+ * @parm string the character set of your data
+ * @return string
+ */
+function xss_clean($str, $charset = 'ISO-8859-1')
+{
+ $obj =& get_instance();
+ return $obj->input->xss_clean($str, $charset);
+}
+
+// --------------------------------------------------------------------
+
+/**
+ * Hash encode a string
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function hash($str, $type = 'sha1')
+{
+ if ($type == 'sha1')
+ {
+ if ( ! function_exists('sha1'))
+ {
+ if ( ! function_exists('mhash'))
+ {
+ require_once(BASEPATH.'libraries/Sha1'.EXT);
+ $SH = new CI_SHA;
+ return $SH->generate($str);
+ }
+ else
+ {
+ return bin2hex(mhash(MHASH_SHA1, $str));
+ }
+ }
+ else
+ {
+ return sha1($str);
+ }
+ }
+ else
+ {
+ return md5($str);
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Strip Image Tags
+ *
+ * @access public
+ * @parm string
+ * @return string
+ */
+function strip_image_tags($str)
+{
+ $str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str);
+ $str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str);
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert PHP tags to entities
+ *
+ * @access public
+ * @parm string
+ * @return string
+ */
+function encode_php_tags($str)
+{
+ return str_replace(array('<?php', '<?PHP', '<?', '?>'), array('<?php', '<?PHP', '<?', '?>'), $str);
+}
+
+?>
\ No newline at end of file
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
new file mode 100644
index 0000000..d5a3591
--- /dev/null
+++ b/system/helpers/string_helper.php
@@ -0,0 +1,154 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter String Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/string_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Trim Slashes
+ *
+ * Removes any leading/traling slashes from a string:
+ *
+ * /this/that/theother/
+ *
+ * becomes:
+ *
+ * this/that/theother
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function trim_slashes($str)
+{
+ return preg_replace("|^/*(.+?)/*$|", "\\1", $str);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Reduce Double Slashes
+ *
+ * Converts double slashes in a string to a single slash,
+ * except those found in http://
+ *
+ * http://www.some-site.com//index.php
+ *
+ * becomes:
+ *
+ * http://www.some-site.com/index.php
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function reduce_double_slashes($str)
+{
+ return preg_replace("#([^:])//+#", "\\1/", $str);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Create a Random String
+ *
+ * Useful for generating passwords or hashes.
+ *
+ * @access public
+ * @param string type of random string. Options: alunum, numeric, nozero, unique
+ * @param integer number of characters
+ * @return string
+ */
+function random_string($type = 'alnum', $len = 8)
+{
+ switch($type)
+ {
+ case 'alnum' :
+ case 'numeric' :
+ case 'nozero' :
+
+ switch ($type)
+ {
+ case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ break;
+ case 'numeric' : $pool = '0123456789';
+ break;
+ case 'nozero' : $pool = '123456789';
+ break;
+ }
+
+ $str = '';
+ for ($i=0; $i < $len; $i++)
+ {
+ $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
+ }
+ return $str;
+ break;
+ case 'unique' : return md5(uniqid(mt_rand()));
+ break;
+ }
+}
+// ------------------------------------------------------------------------
+
+/**
+ * Alternator
+ *
+ * Allows strings to be alternated. See docs...
+ *
+ * @access public
+ * @param string (as many parameters as needed)
+ * @return string
+ */
+function alternator()
+{
+ static $i;
+
+ if (func_num_args() == 0)
+ {
+ $i = 0;
+ return '';
+ }
+ $args = func_get_args();
+ return $args[($i++ % count($args))];
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Repeater function
+ *
+ * @access public
+ * @param string
+ * @param integer number of repeats
+ * @return string
+ */
+function repeater($data, $num = 1)
+{
+ return str_repeat($data, $num);
+}
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/text_helper.php b/system/helpers/text_helper.php
new file mode 100644
index 0000000..15b5573
--- /dev/null
+++ b/system/helpers/text_helper.php
@@ -0,0 +1,386 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Text Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/text_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Word Limiter
+ *
+ * Limits a string to X number of words.
+ *
+ * @access public
+ * @param string
+ * @param integer
+ * @param string the end character. Usually an ellipsis
+ * @return string
+ */
+function word_limiter($str, $n = 100, $end_char = '…')
+{
+ if (strlen($str) < $n)
+ {
+ return $str;
+ }
+
+ $words = explode(' ', preg_replace("/\s+/", ' ', preg_replace("/(\r\n|\r|\n)/", " ", $str)));
+
+ if (count($words) <= $n)
+ {
+ return $str;
+ }
+
+ $str = '';
+ for ($i = 0; $i < $n; $i++)
+ {
+ $str .= $words[$i].' ';
+ }
+
+ return trim($str).$end_char;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Character Limiter
+ *
+ * Limits the string based on the character count. Preserves complete words
+ * so the character count may not be exactly as specified.
+ *
+ * @access public
+ * @param string
+ * @param integer
+ * @param string the end character. Usually an ellipsis
+ * @return string
+ */
+function character_limiter($str, $n = 500, $end_char = '…')
+{
+ if (strlen($str) < $n)
+ {
+ return $str;
+ }
+
+ $str = preg_replace("/\s+/", ' ', preg_replace("/(\r\n|\r|\n)/", " ", $str));
+
+ if (strlen($str) <= $n)
+ {
+ return $str;
+ }
+
+ $out = "";
+ foreach (explode(' ', trim($str)) as $val)
+ {
+ $out .= $val.' ';
+ if (strlen($out) >= $n)
+ {
+ return trim($out).$end_char;
+ }
+ }
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * High ASCII to Entities
+ *
+ * Converts High ascii text and MS Word special characters to character entities
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function ascii_to_entities($str)
+{
+ $count = 1;
+ $out = '';
+ $temp = array();
+
+ for ($i = 0, $s = strlen($str); $i < $s; $i++)
+ {
+ $ordinal = ord($str[$i]);
+
+ if ($ordinal < 128)
+ {
+ $out .= $str[$i];
+ }
+ 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);
+
+ $out .= '&#'.$number.';';
+ $count = 1;
+ $temp = array();
+ }
+ }
+ }
+
+ return $out;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Entities to ASCII
+ *
+ * Converts character entities back to ASCII
+ *
+ * @access public
+ * @param string
+ * @param bool
+ * @return string
+ */
+function entities_to_ascii($str, $all = TRUE)
+{
+ if (preg_match_all('/\&#(\d+)\;/', $str, $matches))
+ {
+ for ($i = 0, $s = count($matches['0']); $i < $s; $i++)
+ {
+ $digits = $matches['1'][$i];
+
+ $out = '';
+
+ if ($digits < 128)
+ {
+ $out .= chr($digits);
+
+ }
+ elseif ($digits < 2048)
+ {
+ $out .= chr(192 + (($digits - ($digits % 64)) / 64));
+ $out .= chr(128 + ($digits % 64));
+ }
+ else
+ {
+ $out .= chr(224 + (($digits - ($digits % 4096)) / 4096));
+ $out .= chr(128 + ((($digits % 4096) - ($digits % 64)) / 64));
+ $out .= chr(128 + ($digits % 64));
+ }
+
+ $str = str_replace($matches['0'][$i], $out, $str);
+ }
+ }
+
+ if ($all)
+ {
+ $str = str_replace(array("&", "<", ">", """, "'", "-"),
+ array("&","<",">","\"", "'", "-"),
+ $str);
+ }
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Word Censoring Function
+ *
+ * Supply a string and an array of disallowed words and any
+ * matched words will be converted to #### or to the replacement
+ * word you've submitted.
+ *
+ * @access public
+ * @param string the text string
+ * @param string the array of censoered words
+ * @param string the optional replacement value
+ * @return string
+ */
+function word_censor($str, $censored, $replacement = '')
+{
+ if ( ! is_array($censored))
+ {
+ return $str;
+ }
+
+ $str = ' '.$str.' ';
+ foreach ($censored as $badword)
+ {
+ if ($replacement != '')
+ {
+ $str = preg_replace("/\b(".str_replace('\*', '\w*?', preg_quote($badword)).")\b/i", $replacement, $str);
+ }
+ else
+ {
+ $str = preg_replace("/\b(".str_replace('\*', '\w*?', preg_quote($badword)).")\b/ie", "str_repeat('#', strlen('\\1'))", $str);
+ }
+ }
+
+ return trim($str);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Highlighter
+ *
+ * Colorizes code strings
+ *
+ * @access public
+ * @param string the text string
+ * @return string
+ */
+function highlight_code($str)
+{
+ // The highlight string function encodes and highlights
+ // brackets so we need them to start raw
+ $str = str_replace(array('<', '>'), array('<', '>'), $str);
+
+ // Replace any existing PHP tags to temporary markers so they don't accidentally
+ // break the string out of PHP, and thus, thwart the highlighting.
+
+ $str = str_replace(array('<?php', '?>', '\\'), array('phptagopen', 'phptagclose', 'backslashtmp'), $str);
+
+ // The highlight_string function requires that the text be surrounded
+ // by PHP tags. Since we don't know if A) the submitted text has PHP tags,
+ // or B) whether the PHP tags enclose the entire string, we will add our
+ // own PHP tags around the string along with some markers to make replacement easier later
+
+ $str = '<?php //tempstart'."\n".$str.'//tempend ?>'; // <?
+
+ // All the magic happens here, baby!
+ $str = highlight_string($str, TRUE);
+
+ // Prior to PHP 5, the highlight function used icky font tags
+ // so we'll replace them with span tags.
+ if (abs(phpversion()) < 5)
+ {
+ $str = str_replace(array('<font ', '</font>'), array('<span ', '</span>'), $str);
+ $str = preg_replace('#color="(.*?)"#', 'style="color: \\1"', $str);
+ }
+
+ // Remove our artificially added PHP
+ $str = preg_replace("#\<code\>.+?//tempstart\<br />\</span\>#is", "<code>\n", $str);
+ $str = preg_replace("#\<code\>.+?//tempstart\<br />#is", "<code>\n", $str);
+ $str = preg_replace("#//tempend.+#is", "</span>\n</code>", $str);
+
+ // Replace our markers back to PHP tags.
+ $str = str_replace(array('phptagopen', 'phptagclose', 'backslashtmp'), array('<?php', '?>', '\\'), $str); //<?
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Phrase Highlighter
+ *
+ * Highlights a phrase within a text string
+ *
+ * @access public
+ * @param string the text string
+ * @param string the phrase you'd like to highlight
+ * @param string the openging tag to precede the phrase with
+ * @param string the closing tag to end the phrase with
+ * @return string
+ */
+function highlight_phrase($str, $phrase, $tag_open = '<strong>', $tag_close = '</strong>')
+{
+ if ($str == '')
+ {
+ return '';
+ }
+
+ if ($phrase != '')
+ {
+ return preg_replace('/('.preg_quote($phrase).')/i', $tag_open."\\1".$tag_close, $str);
+ }
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Word Wrap
+ *
+ * Wraps text at the specified character. Maintains the integrity of words.
+ *
+ * @access public
+ * @param string the text string
+ * @param integer the number of characters to wrap at
+ * @return string
+ */
+function word_wrap($str, $chars = '76')
+{
+ if ( ! ctype_digit($chars))
+ $chars = 76;
+
+ $str = preg_replace("/(\r\n|\r|\n)/", "\n", $str);
+ $lines = split("\n", $str);
+
+ $output = "";
+ while (list(, $thisline) = each($lines))
+ {
+ if (strlen($thisline) > $chars)
+ {
+ $line = "";
+ $words = split(" ", $thisline);
+ while(list(, $thisword) = each($words))
+ {
+ while((strlen($thisword)) > $chars)
+ {
+ $cur_pos = 0;
+ for($i=0; $i < $chars - 1; $i++)
+ {
+ $output .= $thisword[$i];
+ $cur_pos++;
+ }
+
+ $output .= "\n";
+ $thisword = substr($thisword, $cur_pos, (strlen($thisword) - $cur_pos));
+ }
+
+ if ((strlen($line) + strlen($thisword)) > $chars)
+ {
+ $output .= $line."\n";
+ $line = $thisword." ";
+ }
+ else
+ {
+ $line .= $thisword." ";
+ }
+ }
+
+ $output .= $line."\n";
+ }
+ else
+ {
+ $output .= $thisline."\n";
+ }
+ }
+
+ return $output;
+}
+
+?>
\ No newline at end of file
diff --git a/system/helpers/typography_helper.php b/system/helpers/typography_helper.php
new file mode 100644
index 0000000..6a54952
--- /dev/null
+++ b/system/helpers/typography_helper.php
@@ -0,0 +1,490 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Typography Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/typography_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert newlines to HTML line breaks except within PRE tags
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function nl2br_except_pre($str)
+{
+ $ex = explode("pre>",$str);
+ $ct = count($ex);
+
+ $newstr = "";
+ for ($i = 0; $i < $ct; $i++)
+ {
+ if (($i % 2) == 0)
+ {
+ $newstr .= nl2br($ex[$i]);
+ }
+ else
+ {
+ $newstr .= $ex[$i];
+ }
+
+ if ($ct - 1 != $i)
+ $newstr .= "pre>";
+ }
+
+ return $newstr;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Auto Typography Wrapper Function
+ *
+ *
+ * @access public
+ * @parm string
+ * @return string
+ */
+function auto_typography($str)
+{
+ $TYPE = new Auto_typography();
+ return $TYPE->convert($str);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Auto Typography Class
+ *
+ *
+ * @access private
+ * @category Helpers
+ * @author Rick Ellis
+ * @author Paul Burdick
+ * @link http://www.codeigniter.com/user_guide/helpers/
+ */
+class Auto_typography {
+
+ // Block level elements that should not be wrapped inside <p> tags
+ var $block_elements = 'div|blockquote|pre|code|h\d|script|ol|un';
+
+ // Elements that should not have <p> and <br /> tags within them.
+ var $skip_elements = 'pre|ol|ul';
+
+ // Tags we want the parser to completely ignore when splitting the string.
+ var $ignore_elements = 'a|b|i|em|strong|span|img|li';
+
+
+ /**
+ * Main Processing Function
+ *
+ */
+ function convert($str)
+ {
+ if ($str == '')
+ {
+ return '';
+ }
+
+ $str = ' '.$str.' ';
+
+ // Standardize Newlines to make matching easier
+ $str = preg_replace("/(\r\n|\r)/", "\n", $str);
+
+ /*
+ * Reduce line breaks
+ *
+ * If there are more than two consecutive line
+ * breaks we'll compress them down to a maximum
+ * of two since there's no benefit to more.
+ *
+ */
+ $str = preg_replace("/\n\n+/", "\n\n", $str);
+
+ /*
+ * Convert quotes within tags to tempoarary marker
+ *
+ * We don't want quotes converted within
+ * tags so we'll temporarily convert them to
+ * {{{DQ}}} and {{{SQ}}}
+ *
+ */
+ if (preg_match_all("#\<.+?>#si", $str, $matches))
+ {
+ for ($i = 0; $i < count($matches['0']); $i++)
+ {
+ $str = str_replace($matches['0'][$i],
+ str_replace(array("'",'"'), array('{{{SQ}}}', '{{{DQ}}}'), $matches['0'][$i]),
+ $str);
+ }
+ }
+
+ /*
+ * Convert "ignore" tags to tempoarary marker
+ *
+ * The parser splits out the string at every tag
+ * it encounters. Certain inline tags, like image
+ * tags, links, span tags, etc. will be adversely
+ * affected if they are split out so we'll convert
+ * the opening < temporarily to: {{{tag}}}
+ *
+ */
+ $str = preg_replace("#<(/*)(".$this->ignore_elements.")#i", "{{{tag}}}\\1\\2", $str);
+
+ /*
+ * Split the string at every tag
+ *
+ * This creates an array with this prototype:
+ *
+ * [array]
+ * {
+ * [0] = <opening tag>
+ * [1] = Content contained between the tags
+ * [2] = <closing tag>
+ * Etc...
+ * }
+ *
+ */
+ $chunks = preg_split('/(<(?:[^<>]+(?:"[^"]*"|\'[^\']*\')?)+>)/', $str, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_NO_EMPTY);
+
+ /*
+ * Build our finalized string
+ *
+ * We'll cycle through the array, skipping tags,
+ * and processing the contained text
+ *
+ */
+ $str = '';
+ $process = TRUE;
+ foreach ($chunks as $chunk)
+ {
+ /*
+ * Are we dealing with a tag?
+ *
+ * If so, we'll skip the processing for this cycle.
+ * Well also set the "process" flag which allows us
+ * to skip <pre> tags and a few other things.
+ *
+ */
+ if (preg_match("#<(/*)(".$this->block_elements.").*?\>#", $chunk, $match))
+ {
+ if (preg_match("#".$this->skip_elements."#", $match['2']))
+ {
+ $process = ($match['1'] == '/') ? TRUE : FALSE;
+ }
+
+ $str .= $chunk;
+ continue;
+ }
+
+ if ($process == FALSE)
+ {
+ $str .= $chunk;
+ continue;
+ }
+
+ // Convert Newlines into <p> and <br /> tags
+ $str .= $this->format_newlines($chunk);
+ }
+
+ // Convert Quotes and other characters
+ $str = $this->format_characters($str);
+
+ // We'll swap our temporary markers back and do some clean up.
+ $str = preg_replace('#(<p>\n*</p>)#', '', $str);
+ $str = preg_replace('#(<p.*?>)<p>#', "\\1", $str);
+
+ $str = str_replace(
+ array('</p></p>', '</p><p>', '{{{tag}}}', '{{{DQ}}}', '{{{SQ}}}'),
+ array('</p>', '<p>', '<', '"', "'"),
+ $str
+ );
+
+ return trim($str);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Format Characters
+ *
+ * This function mainly converts double and single quotes
+ * to entities, but since these are directional, it does
+ * it based on some rules. It also converts em-dashes
+ * and a couple other things.
+ */
+ function format_characters($str)
+ {
+ $table = array(
+ ' "' => " “",
+ '" ' => "” ",
+ " '" => " ‘",
+ "' " => "’ ",
+
+ '>"' => ">“",
+ '"<' => "”<",
+ ">'" => ">‘",
+ "'<" => "’<",
+
+ "\"." => "”.",
+ "\"," => "”,",
+ "\";" => "”;",
+ "\":" => "”:",
+ "\"!" => "”!",
+ "\"?" => "”?",
+
+ ". " => ". ",
+ "? " => "? ",
+ "! " => "! ",
+ ": " => ": ",
+ );
+
+ // These deal with quotes within quotes, like: "'hi here'"
+ $start = 0;
+ $space = array("\n", "\t", " ");
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "\"'");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+2, 1);
+
+ if ( ! in_array($one_after, $space) && $one_after != "<")
+ {
+ $str = str_replace( $one_before."\"'".$one_after,
+ $one_before."“‘".$one_after,
+ $str);
+ }
+ elseif ( ! in_array($one_before, $space) && (in_array($one_after, $space) OR $one_after == '<'))
+ {
+ $str = str_replace( $one_before."\"'".$one_after,
+ $one_before."”’".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "'\"");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+2, 1);
+
+ if ( in_array($one_before, $space) && ! in_array($one_after, $space) && $one_after != "<")
+ {
+ $str = str_replace( $one_before."'\"".$one_after,
+ $one_before."‘“".$one_after,
+ $str);
+ }
+ elseif ( ! in_array($one_before, $space) && $one_before != ">")
+ {
+ $str = str_replace( $one_before."'\"".$one_after,
+ $one_before."’”".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ // Are there quotes within a word, as in: ("something")
+ if (preg_match_all("/(.)\"(\S+?)\"(.)/", $str, $matches))
+ {
+ for ($i=0, $s=sizeof($matches['0']); $i < $s; ++$i)
+ {
+ if ( ! in_array($matches['1'][$i], $space) && ! in_array($matches['3'][$i], $space))
+ {
+ $str = str_replace( $matches['0'][$i],
+ $matches['1'][$i]."“".$matches['2'][$i]."”".$matches['3'][$i],
+ $str);
+ }
+ }
+ }
+
+ if (preg_match_all("/(.)\'(\S+?)\'(.)/", $str, $matches))
+ {
+ for ($i=0, $s=sizeof($matches['0']); $i < $s; ++$i)
+ {
+ if ( ! in_array($matches['1'][$i], $space) && ! in_array($matches['3'][$i], $space))
+ {
+ $str = str_replace( $matches['0'][$i],
+ $matches['1'][$i]."‘".$matches['2'][$i]."’".$matches['3'][$i],
+ $str);
+ }
+ }
+ }
+
+ // How about one apostrophe, as in Rick's
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "'");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+1, 1);
+
+ if ( ! in_array($one_before, $space) && ! in_array($one_after, $space))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."’".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ // Em-dashes
+ $start = 0;
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "--");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+2, 1);
+ $two_before = substr($str, $start+$current-2, 1);
+ $two_after = substr($str, $start+$current+3, 1);
+
+ if (( ! in_array($one_before, $space) && ! in_array($one_after, $space))
+ OR
+ ( ! in_array($two_before, $space) && ! in_array($two_after, $space) && $one_before == ' ' && $one_after == ' ')
+ )
+ {
+ $str = str_replace( $two_before.$one_before."--".$one_after.$two_after,
+ $two_before.trim($one_before)."—".trim($one_after).$two_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ // Ellipsis
+ $str = preg_replace("#(\w)\.\.\.(\s|<br />|</p>)#", "\\1…\\2", $str);
+ $str = preg_replace("#(\s|<br />|</p>)\.\.\.(\w)#", "\\1…\\2", $str);
+
+ // Run the translation array we defined above
+ $str = str_replace(array_keys($table), array_values($table), $str);
+
+ // If there are any stray double quotes we'll catch them here
+
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), '"');
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+1, 1);
+
+ if ( ! in_array($one_after, $space))
+ {
+ $str = str_replace( $one_before.'"'.$one_after,
+ $one_before."“".$one_after,
+ $str);
+ }
+ elseif( ! in_array($one_before, $space))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."”".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ $start = 0;
+
+ while(TRUE)
+ {
+ $current = strpos(substr($str, $start), "'");
+
+ if ($current === FALSE) break;
+
+ $one_before = substr($str, $start+$current-1, 1);
+ $one_after = substr($str, $start+$current+1, 1);
+
+ if ( ! in_array($one_after, $space))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."‘".$one_after,
+ $str);
+ }
+ elseif( ! in_array($one_before, $space))
+ {
+ $str = str_replace( $one_before."'".$one_after,
+ $one_before."’".$one_after,
+ $str);
+ }
+
+ $start = $start+$current+2;
+ }
+
+ return $str;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Format Newlines
+ *
+ * Converts newline characters into either <p> tags or <br />
+ *
+ */
+ function format_newlines($str)
+ {
+ if ($str == '')
+ {
+ return $str;
+ }
+
+ if (strpos($str, "\n") === FALSE)
+ {
+ return '<p>'.$str.'</p>';
+ }
+
+ $str = str_replace("\n\n", "</p>\n\n<p>", $str);
+ $str = preg_replace("/([^\n])(\n)([^\n])/", "\\1<br />\\2\\3", $str);
+
+ return '<p>'.$str.'</p>';
+ }
+}
+
+
+?>
\ No newline at end of file
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php
new file mode 100644
index 0000000..d2d2a59
--- /dev/null
+++ b/system/helpers/url_helper.php
@@ -0,0 +1,487 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter URL Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.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
+ */
+function site_url($uri = '')
+{
+ $obj =& get_instance();
+ return $obj->config->site_url($uri);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Base URL
+ *
+ * Returns the "base_url" item from your config file
+ *
+ * @access public
+ * @return string
+ */
+function base_url()
+{
+ $obj =& get_instance();
+ return $obj->config->item('base_url', 1);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Index page
+ *
+ * Returns the "index_page" from your config file
+ *
+ * @access public
+ * @return string
+ */
+function index_page()
+{
+ $obj =& get_instance();
+ return $obj->config->item('index_page');
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Anchor Link
+ *
+ * Creates an anchor based on the local URL.
+ *
+ * @access public
+ * @param string the URL
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+function anchor($uri = '', $title = '', $attributes = '')
+{
+ $site_url = site_url($uri);
+
+ if ($title == '')
+ {
+ $title = $site_url;
+ }
+
+ if ($attributes == '')
+ {
+ $attributes = ' title="'.$title.'"';
+ }
+ else
+ {
+ if (is_array($attributes))
+ {
+ $attributes = parse_url_attributes($attributes);
+ }
+ }
+
+ return '<a href="'.$site_url.'"'.$attributes.'>'.$title.'</a>';
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Anchor Link - Pop-up version
+ *
+ * Creates an anchor based on the local URL. The link
+ * opens a new window based on the attributes specified.
+ *
+ * @access public
+ * @param string the URL
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+function anchor_popup($uri = '', $title = '', $attributes = FALSE)
+{
+ $site_url = site_url($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('".$site_url."', '_blank', '".parse_url_attributes($atts, TRUE)."');\">".$title."</a>";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Mailto Link
+ *
+ * @access public
+ * @param string the email address
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+function mailto($email, $title = '', $attributes = '')
+{
+ if ($title == "")
+ {
+ $title = $email;
+ }
+
+ if (is_array($attributes))
+ {
+ $attributes = parse_url_attributes($attributes);
+ }
+
+ return '<a href="mailto:'.$email.'"'.$attributes.'>'.$title.'</a>';
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Encoded Mailto Link
+ *
+ * Create a spam-protected mailto link written in Javascript
+ *
+ * @access public
+ * @param string the email address
+ * @param string the link title
+ * @param mixed any attributes
+ * @return string
+ */
+function safe_mailto($email, $title = '', $attributes = '')
+{
+ if ($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 $buffer;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Auto-linker
+ *
+ * Automatically links URL and Email addresses.
+ * Note: There's a bit of extra code here to deal with
+ * URLs or emails that end in a period. We'll strip these
+ * off and add them after the link.
+ *
+ * @access public
+ * @param string the string
+ * @param string the type: email, url, or both
+ * @param bool whether to create pop-up links
+ * @return string
+ */
+function auto_link($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 $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Prep URL
+ *
+ * Simply adds the http:// part if missing
+ *
+ * @access public
+ * @param string the URL
+ * @return string
+ */
+function prep_url($str = '')
+{
+ if ($str == 'http://' OR $str == '')
+ {
+ return '';
+ }
+
+ if (substr($str, 0, 7) != 'http://' && substr($str, 0, 8) != 'https://')
+ {
+ $str = 'http://'.$str;
+ }
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Create URL Title
+ *
+ * Takes a "title" string as input and creates a
+ * human-friendly URL string with either a dash
+ * or an underscore as the word separator.
+ *
+ * @access public
+ * @param string the string
+ * @param string the separator: dash, or underscore
+ * @return string
+ */
+function url_title($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
+ *
+ * @access public
+ * @param string the URL
+ * @param string the method: location or redirect
+ * @return string
+ */
+function redirect($uri = '', $method = 'location')
+{
+ switch($method)
+ {
+ case 'refresh' : header("Refresh:0;url=".site_url($uri));
+ break;
+ default : header("location:".site_url($uri));
+ break;
+ }
+ exit;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse out the attributes
+ *
+ * Some of the functions use this
+ *
+ * @access private
+ * @param array
+ * @param bool
+ * @return string
+ */
+function parse_url_attributes($attributes, $javascript = FALSE)
+{
+ $att = '';
+ foreach ($attributes as $key => $val)
+ {
+ if ($javascript == TRUE)
+ {
+ $att .= $key . '=' . $val . ',';
+ }
+ else
+ {
+ $att .= ' ' . $key . '="' . $val . '"';
+ }
+ }
+
+ if ($javascript == TRUE)
+ {
+ $att = substr($att, 0, -1);
+ }
+
+ return $att;
+}
+
+?>
\ No newline at end of file
diff --git a/system/helpers/xml_helper.php b/system/helpers/xml_helper.php
new file mode 100644
index 0000000..ee3fc28
--- /dev/null
+++ b/system/helpers/xml_helper.php
@@ -0,0 +1,55 @@
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter XML Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/xml_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Convert Reserved XML characters to Entities
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function xml_convert($str)
+{
+ $temp = '__TEMP_AMPERSANDS';
+
+ $str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
+ $str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
+
+ $str = str_replace(array("&","<",">","\"", "'", "-"),
+ array("&", "<", ">", """, "'", "-"),
+ $str);
+
+ $str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
+ $str = preg_replace("/$temp(\w+);/","&\\1;", $str);
+
+ return $str;
+}
+
+
+?>
\ No newline at end of file