diff options
Diffstat (limited to 'system/helpers/url_helper.php')
| -rw-r--r-- | system/helpers/url_helper.php | 353 |
1 files changed, 168 insertions, 185 deletions
diff --git a/system/helpers/url_helper.php b/system/helpers/url_helper.php index 2cbcd9dbf..2bd41b04d 100644 --- a/system/helpers/url_helper.php +++ b/system/helpers/url_helper.php @@ -2,7 +2,7 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * CodeIgniter URL Helpers * @@ -39,18 +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. - * - * @access public - * @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 = '') { $CI =& get_instance(); @@ -60,19 +57,18 @@ if ( ! function_exists('site_url')) // ------------------------------------------------------------------------ -/** - * Base URL - * - * Create a local URL based on your basepath. - * Segments can be passed in as a string or an array, same as site_url - * or a URL to a file can be passed in, e.g. to an image file. - * - * @access public - * @param string - * @return string - */ if ( ! function_exists('base_url')) { + /** + * Base URL + * + * Create a local URL based on your basepath. + * Segments can be passed in as a string or an array, same as site_url + * or a URL to a file can be passed in, e.g. to an image file. + * + * @param string + * @return string + */ function base_url($uri = '') { $CI =& get_instance(); @@ -82,17 +78,16 @@ if ( ! function_exists('base_url')) // ------------------------------------------------------------------------ -/** - * Current URL - * - * Returns the full URL (including segments) of the page where this - * function is placed - * - * @access public - * @return string - */ if ( ! function_exists('current_url')) { + /** + * Current URL + * + * Returns the full URL (including segments) of the page where this + * function is placed + * + * @return string + */ function current_url() { $CI =& get_instance(); @@ -101,16 +96,16 @@ 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(); @@ -120,16 +115,15 @@ if ( ! function_exists('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() { $CI =& get_instance(); @@ -139,38 +133,37 @@ if ( ! function_exists('index_page')) // ------------------------------------------------------------------------ -/** - * Anchor Link - * - * Creates an anchor based on the local URL. - * - * @access public - * @param string the URL - * @param string the link title - * @param mixed any attributes - * @return string - */ if ( ! function_exists('anchor')) { + /** + * Anchor Link + * + * Creates an anchor based on the local URL. + * + * @param string the URL + * @param string the link title + * @param mixed any attributes + * @return string + */ function anchor($uri = '', $title = '', $attributes = '') { $title = (string) $title; if ( ! is_array($uri)) { - $site_url = ( ! preg_match('!^\w+://! i', $uri)) ? site_url($uri) : $uri; + $site_url = preg_match('!^\w+://! i', $uri) ? $uri : site_url($uri); } else { $site_url = site_url($uri); } - if ($title == '') + if ($title === '') { $title = $site_url; } - if ($attributes != '') + if ($attributes !== '') { $attributes = _parse_attributes($attributes); } @@ -181,33 +174,32 @@ 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', $uri)) ? site_url($uri) : $uri; + $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="javascript:void(0);" onclick="window.open(\''.$site_url."', '_blank');\">".$title.'</a>'; } if ( ! is_array($attributes)) @@ -217,37 +209,36 @@ if ( ! function_exists('anchor_popup')) 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]; + $atts[$key] = isset($attributes[$key]) ? $attributes[$key] : $val; unset($attributes[$key]); } - if ($attributes != '') + if ($attributes !== '') { $attributes = _parse_attributes($attributes); } - return "<a href='javascript:void(0);' onclick=\"window.open('".$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"$attributes>".$title."</a>"; + return '<a href="javascript:void(0);" onclick="window.open(\''.$site_url."', '_blank', '"._parse_attributes($atts, TRUE)."');\"".$attributes.'>'.$title.'</a>'; } } // ------------------------------------------------------------------------ -/** - * Mailto Link - * - * @access public - * @param string the email address - * @param string the link title - * @param mixed any attributes - * @return string - */ if ( ! function_exists('mailto')) { + /** + * 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 = $email; } @@ -258,24 +249,23 @@ if ( ! function_exists('mailto')) // ------------------------------------------------------------------------ -/** - * Encoded Mailto Link - * - * Create a spam-protected mailto link written in Javascript - * - * @access public - * @param string the email address - * @param string the link title - * @param mixed any attributes - * @return string - */ if ( ! function_exists('safe_mailto')) { + /** + * Encoded Mailto Link + * + * Create a spam-protected mailto link written in Javascript + * + * @param string the email address + * @param string the link title + * @param mixed any attributes + * @return string + */ function safe_mailto($email, $title = '', $attributes = '') { $title = (string) $title; - if ($title == '') + if ($title === '') { $title = $email; } @@ -289,7 +279,7 @@ if ( ! function_exists('safe_mailto')) $x[] = '"'; - if ($attributes != '') + if ($attributes !== '') { if (is_array($attributes)) { @@ -355,7 +345,7 @@ 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 @@ -368,22 +358,21 @@ 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. - * - * @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' && preg_match_all('#(^|\s|\(|\b)((http(s?)://)|(www\.))(\w+[^\s\)\<]+)#i', $str, $matches)) @@ -435,20 +424,19 @@ if ( ! function_exists('auto_link')) // ------------------------------------------------------------------------ -/** - * Prep URL - * - * Simply adds the http:// part if no scheme is included - * - * @access public - * @param string the URL - * @return string - */ if ( ! function_exists('prep_url')) { + /** + * Prep URL + * + * Simply adds the http:// part if no scheme is included + * + * @param string the URL + * @return string + */ function prep_url($str = '') { - if ($str === 'http://' OR $str == '') + if ($str === 'http://' OR $str === '') { return ''; } @@ -466,43 +454,39 @@ if ( ! function_exists('prep_url')) // ------------------------------------------------------------------------ -/** - * Create URL Title - * - * Takes a "title" string as input and creates a - * human-friendly URL string with either a dash - * or an underscore as the word separator. - * - * @access public - * @param string the string - * @param string the separator: dash, or underscore - * @return string - */ if ( ! function_exists('url_title')) { - function url_title($str, $separator = 'dash', $lowercase = FALSE) + /** + * Create URL Title + * + * Takes a "title" string as input and creates a + * human-friendly URL string with a "separator" string + * as the word separator. + * + * @param string the string + * @param string the separator + * @param bool + * @return string + */ + function url_title($str, $separator = '-', $lowercase = FALSE) { if ($separator === 'dash') { - $search = '_'; - $replace = '-'; + $separator = '-'; } - else + elseif ($separator === 'underscore') { - $search = '-'; - $replace = '_'; + $separator = '_'; } + $q_separator = preg_quote($separator); + $trans = array( - '&\#\d+?;' => '', - '&\S+?;' => '', - '\s+' => $replace, - '[^a-z0-9\-\._]' => '', - $replace.'+' => $replace, - $replace.'$' => $replace, - '^'.$replace => $replace, - '\.+$' => '' - ); + '&.+?;' => '', + '[^a-z0-9 _-]' => '', + '\s+' => $separator, + '('.$q_separator.')+' => $separator + ); $str = strip_tags($str); foreach ($trans as $key => $val) @@ -515,26 +499,26 @@ if ( ! function_exists('url_title')) $str = strtolower($str); } - return trim(trim(stripslashes($str)), $replace); + return trim(trim($str, $separator)); } } // ------------------------------------------------------------------------ -/** - * Header Redirect - * - * Header redirect in two flavors - * For very fine grained control over headers, you could use the Output - * Library's set_header() function. - * - * @access public - * @param string the URL - * @param string the method: location or refresh - * @return string - */ if ( ! function_exists('redirect')) { + /** + * Header Redirect + * + * Header redirect in two flavors + * For very fine grained control over headers, you could use the Output + * Library's set_header() function. + * + * @param string the URL + * @param string the method: location or refresh + * @param int + * @return string + */ function redirect($uri = '', $method = 'auto', $http_response_code = 302) { if ( ! preg_match('#^https?://#i', $uri)) @@ -563,39 +547,38 @@ if ( ! function_exists('redirect')) // ------------------------------------------------------------------------ -/** - * Parse out the attributes - * - * Some of the functions use this - * - * @access private - * @param array - * @param bool - * @return string - */ if ( ! function_exists('_parse_attributes')) { + /** + * Parse out the attributes + * + * Some of the functions use this + * + * @param array + * @param bool + * @return string + */ function _parse_attributes($attributes, $javascript = FALSE) { if (is_string($attributes)) { - return ($attributes != '') ? ' '.$attributes : ''; + return ($attributes !== '') ? ' '.$attributes : ''; } $att = ''; foreach ($attributes as $key => $val) { - if ($javascript == TRUE) + if ($javascript === TRUE) { - $att .= $key . '=' . $val . ','; + $att .= $key.'='.$val.','; } else { - $att .= ' ' . $key . '="' . $val . '"'; + $att .= ' '.$key.'="'.$val.'"'; } } - if ($javascript == TRUE AND $att != '') + if ($javascript === TRUE && $att !== '') { return substr($att, 0, -1); } @@ -605,4 +588,4 @@ if ( ! function_exists('_parse_attributes')) } /* End of file url_helper.php */ -/* Location: ./system/helpers/url_helper.php */ +/* Location: ./system/helpers/url_helper.php */
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