diff options
Diffstat (limited to 'system/helpers/url_helper.php')
| -rw-r--r-- | system/helpers/url_helper.php | 351 |
1 files changed, 163 insertions, 188 deletions
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php index cf6df4ef5..b1f5eccf1 100644 --- a/system/helpers/url_helper.php +++ b/system/helpers/url_helper.php @@ -37,17 +37,17 @@ // ------------------------------------------------------------------------ -/** - * 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 - * @return string - */ if ( ! function_exists('site_url')) { + /** + * 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 + * @return string + */ function site_url($uri = '') { $CI =& get_instance(); @@ -57,18 +57,18 @@ if ( ! function_exists('site_url')) // ------------------------------------------------------------------------ -/** - * Base URL - * - * Create a local URL based on your basepath. - * Segments can be passed in as a string or an array, same as site_url - * or a URL to a file can be passed in, e.g. to an image file. - * - * @param string - * @return string - */ if ( ! function_exists('base_url')) { + /** + * Base URL + * + * Create a local URL based on your basepath. + * Segments can be passed in as a string or an array, same as site_url + * or a URL to a file can be passed in, e.g. to an image file. + * + * @param string + * @return string + */ function base_url($uri = '') { $CI =& get_instance(); @@ -78,16 +78,16 @@ if ( ! function_exists('base_url')) // ------------------------------------------------------------------------ -/** - * Current URL - * - * Returns the full URL (including segments) of the page where this - * function is placed - * - * @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(); @@ -96,15 +96,16 @@ if ( ! function_exists('current_url')) } // ------------------------------------------------------------------------ -/** - * URL String - * - * Returns the URI segments. - * - * @return string - */ + if ( ! function_exists('uri_string')) { + /** + * URL String + * + * Returns the URI segments. + * + * @return string + */ function uri_string() { $CI =& get_instance(); @@ -114,15 +115,15 @@ if ( ! function_exists('uri_string')) // ------------------------------------------------------------------------ -/** - * Index page - * - * Returns the "index_page" from your config file - * - * @return string - */ if ( ! function_exists('index_page')) { + /** + * Index page + * + * Returns the "index_page" from your config file + * + * @return string + */ function index_page() { $CI =& get_instance(); @@ -132,18 +133,18 @@ if ( ! function_exists('index_page')) // ------------------------------------------------------------------------ -/** - * Anchor Link - * - * Creates an anchor based on the local URL. - * - * @param string the URL - * @param string the link title - * @param mixed any attributes - * @return string - */ if ( ! function_exists('anchor')) { + /** + * Anchor Link + * + * Creates an anchor based on the local URL. + * + * @param string the URL + * @param string the link title + * @param mixed any attributes + * @return string + */ function anchor($uri = '', $title = '', $attributes = '') { $title = (string) $title; @@ -157,14 +158,14 @@ if ( ! function_exists('anchor')) $site_url = site_url($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.'>'.$title.'</a>'; @@ -173,98 +174,105 @@ if ( ! function_exists('anchor')) // ------------------------------------------------------------------------ -/** - * Anchor Link - Pop-up version - * - * Creates an anchor based on the local URL. The link - * opens a new window based on the attributes specified. - * - * @param string the URL - * @param string the link title - * @param mixed any attributes - * @return string - */ if ( ! function_exists('anchor_popup')) { + /** + * Anchor Link - Pop-up version + * + * Creates an anchor based on the local URL. The link + * opens a new window based on the attributes specified. + * + * @param string the URL + * @param string the link title + * @param mixed any attributes + * @return string + */ function anchor_popup($uri = '', $title = '', $attributes = FALSE) { $title = (string) $title; $site_url = preg_match('!^\w+://! i', $uri) ? $uri : site_url($uri); - 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); + + // Ref: http://www.w3schools.com/jsref/met_win_open.asp + $window_name = '_blank'; + } + elseif ( ! empty($attributes['window_name'])) + { + $window_name = $attributes['window_name']; + unset($attributes['window_name']); } - foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0', ) as $key => $val) + foreach (array('width' => '800', 'height' => '600', 'scrollbars' => 'yes', 'status' => 'yes', 'resizable' => 'yes', 'screenx' => '0', 'screeny' => '0') as $key => $val) { $atts[$key] = isset($attributes[$key]) ? $attributes[$key] : $val; unset($attributes[$key]); } - if ($attributes != '') - { - $attributes = _parse_attributes($attributes); - } + $attributes = _stringify_attributes($attributes); - return '<a href="javascript:void(0);" onclick="window.open(\''.$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"".$attributes.'>'.$title.'</a>'; + return '<a href="'.$site_url + .'" onclick="window.open(\''.$site_url."', '".$window_name."', '"._stringify_attributes($atts, TRUE)."'); return false;\"" + .$attributes.'>'.$title.'</a>'; } } // ------------------------------------------------------------------------ -/** - * Mailto Link - * - * @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 = $email; } - return '<a href="mailto:'.$email.'"'._parse_attributes($attributes).'>'.$title.'</a>'; + return '<a href="mailto:'.$email.'"'._stringify_attributes($attributes).'>'.$title.'</a>'; } } // ------------------------------------------------------------------------ -/** - * Encoded Mailto Link - * - * Create a spam-protected mailto link written in Javascript - * - * @param string the email address - * @param string the link title - * @param mixed any attributes - * @return string - */ if ( ! function_exists('safe_mailto')) { + /** + * Encoded Mailto Link + * + * Create a spam-protected mailto link written in Javascript + * + * @param string the email address + * @param string the link title + * @param mixed any attributes + * @return string + */ function safe_mailto($email, $title = '', $attributes = '') { $title = (string) $title; - if ($title == '') + if ($title === '') { $title = $email; } @@ -278,7 +286,7 @@ if ( ! function_exists('safe_mailto')) $x[] = '"'; - if ($attributes != '') + if ($attributes !== '') { if (is_array($attributes)) { @@ -344,7 +352,7 @@ if ( ! function_exists('safe_mailto')) for ($i = 0, $c = count($x); $i < $c; $i++) { ?>l[<?php echo $i; ?>]='<?php echo $x[$i]; ?>';<?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))+";"); + if (l[i].substring(0, 1) === '|') document.write("&#"+unescape(l[i].substring(1))+";"); else document.write(unescape(l[i]));} //]]> </script><?php @@ -357,21 +365,21 @@ if ( ! function_exists('safe_mailto')) // ------------------------------------------------------------------------ -/** - * 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 - */ 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' && preg_match_all('#(^|\s|\(|\b)((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i', $str, $matches)) @@ -423,19 +431,19 @@ if ( ! function_exists('auto_link')) // ------------------------------------------------------------------------ -/** - * Prep URL - * - * Simply adds the http:// part if no scheme is included - * - * @param string the URL - * @return string - */ if ( ! function_exists('prep_url')) { + /** + * Prep URL + * + * Simply adds the http:// part if no scheme is included + * + * @param string the URL + * @return string + */ function prep_url($str = '') { - if ($str === 'http://' OR $str == '') + if ($str === 'http://' OR $str === '') { return ''; } @@ -453,20 +461,20 @@ if ( ! function_exists('prep_url')) // ------------------------------------------------------------------------ -/** - * Create URL Title - * - * Takes a "title" string as input and creates a - * human-friendly URL string with a "separator" string - * as the word separator. - * - * @param string the string - * @param string the separator - * @param bool - * @return string - */ if ( ! function_exists('url_title')) { + /** + * Create URL Title + * + * Takes a "title" string as input and creates a + * human-friendly URL string with a "separator" string + * as the word separator. + * + * @param string the string + * @param string the separator + * @param bool + * @return string + */ function url_title($str, $separator = '-', $lowercase = FALSE) { if ($separator === 'dash') @@ -504,20 +512,21 @@ if ( ! function_exists('url_title')) // ------------------------------------------------------------------------ -/** - * 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 the URL - * @param string the method: location or refresh - * @return string - */ if ( ! function_exists('redirect')) { - function redirect($uri = '', $method = 'auto', $http_response_code = 302) + /** + * Header Redirect + * + * Header redirect in two flavors + * For very fine grained control over headers, you could use the Output + * Library's set_header() function. + * + * @param string the URL + * @param string the method: location or refresh + * @param int + * @return string + */ + function redirect($uri = '', $method = 'auto', $code = NULL) { if ( ! preg_match('#^https?://#i', $uri)) { @@ -525,65 +534,31 @@ if ( ! function_exists('redirect')) } // IIS environment likely? Use 'refresh' for better compatibility - if (DIRECTORY_SEPARATOR !== '/' && $method === 'auto') + if ($method === 'auto' && isset($_SERVER['SERVER_SOFTWARE']) && strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== FALSE) { $method = 'refresh'; } + elseif ($method !== 'refresh' && (empty($code) OR ! is_numeric($code))) + { + // Reference: http://en.wikipedia.org/wiki/Post/Redirect/Get + $code = (isset($_SERVER['REQUEST_METHOD'], $_SERVER['SERVER_PROTOCOL']) + && $_SERVER['REQUEST_METHOD'] === 'POST' + && $_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.1') + ? 303 : 302; + } - switch($method) + switch ($method) { case 'refresh': header('Refresh:0;url='.$uri); break; default: - header('Location: '.$uri, TRUE, $http_response_code); + header('Location: '.$uri, TRUE, $code); break; } exit; } } -// ------------------------------------------------------------------------ - -/** - * Parse out the attributes - * - * Some of the functions use this - * - * @param array - * @param bool - * @return string - */ -if ( ! function_exists('_parse_attributes')) -{ - function _parse_attributes($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 && $att != '') - { - return substr($att, 0, -1); - } - - return $att; - } -} - /* End of file url_helper.php */ /* Location: ./system/helpers/url_helper.php */
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