config->site_url($uri); } } // ------------------------------------------------------------------------ /** * Base URL * * Create a local URL based on your basepath. * Segments can be passed in as a string or an array, same as site_url * or a URL to a file can be passed in, e.g. to an image file. * * @access public * @param string * @return string */ if ( ! function_exists('base_url')) { function base_url($uri = '') { $CI =& get_instance(); return $CI->config->base_url($uri); } } // ------------------------------------------------------------------------ /** * 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 ''.$title.''; } } // ------------------------------------------------------------------------ /** * Anchor Link - Pop-up version * * Creates an anchor based on the local URL. The link * opens a new window based on the attributes specified. * * @access public * @param string the URL * @param string the link title * @param mixed any attributes * @return string */ if ( ! function_exists('anchor_popup')) { function anchor_popup($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 "".$title.""; } if ( ! is_array($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 "".$title.""; } } // ------------------------------------------------------------------------ /** * Mailto Link * * @access public * @param string the email address * @param string the link title * @param mixed any attributes * @return string */ if ( ! function_exists('mailto')) { function mailto($email, $title = '', $attributes = '') { $title = (string) $title; if ($title == "") { $title = $email; } $attributes = _parse_attributes($attributes); return ''.$title.''; } } // ------------------------------------------------------------------------ /** * Encoded Mailto Link * * Create a spam-protected mailto link written in Javascript * * @access public * @param string the email address * @param string the link title * @param mixed any attributes * @return string */ if ( ! function_exists('safe_mailto')) { function safe_mailto($email, $title = '', $attributes = '') { $title = (string) $title; if ($title == "") { $title = $email; } for ($i = 0; $i < 16; $i++) { $x[] = substr(' $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(); ?>http'. $matches['4'][$i].'://'. $matches['5'][$i]. $matches['6'][$i].''. $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; $i < count($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 $str; } } // ------------------------------------------------------------------------ /** * Prep URL * * Simply adds the http:// part if no scheme is included * * @access public * @param string the URL * @return string */ if ( ! function_exists('prep_url')) { function prep_url($str = '') { if ($str == 'http://' OR $str == '') { return ''; } $url = parse_url($str); if ( ! $url OR ! isset($url['scheme'])) { $str = 'http://'.$str; } return $str; } } // ------------------------------------------------------------------------ /** * Create URL Title * * Takes a "title" string as input and creates a * human-friendly URL string with a "separator" string * as the word separator. * * @access public * @param string the string * @param string the separator * @return string */ if ( ! function_exists('url_title')) { function url_title($str, $separator = '-', $lowercase = FALSE) { if ($separator == 'dash') { $separator = '-'; } else if ($separator == 'underscore') { $separator = '_'; } $q_separator = preg_quote($separator); $trans = array( '&.+?;' => '', '[^a-z0-9 _-]' => '', '\s+' => $separator, '('.$q_separator.')+' => $separator ); $str = strip_tags($str); foreach ($trans as $key => $val) { $str = preg_replace("#".$key."#i", $val, $str); } if ($lowercase === TRUE) { $str = strtolower($str); } return 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) { if ( ! preg_match('#^https?://#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)) { 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 */