Ultimate Explanation of thinkphp routing rules (with pseudo-static)-go to Cainiao-PHP source code

Ultimate Explanation of thinkphp routing rules (with pseudo-static)-required by Cainiao

http://my.oschina.net/u/1178986/blog/201206// Thinkphp route definition rules $ route = array ('news/: action ^ delete | update | insert/: year \ d/: month /: day '=> array ('news/read? Extra =: 2 & status = 1', 'Year =: 2 & month =: 3 & day =: 4'), 'News/: action/: year \ d /: month/: day '=> 'news/read? Year =: 2 & month =: 3 & day =: 4'); $ url =' http://www.test.com/index.php/news/read/2012/2/21/extraparam/test.html '; // Extension name $ extension = 'HTML'; // You can view the details based on the pathinfo definition:http://my.oschina.net/u/1178986/blog/201206// We can see that $ _ SERVER ['path _ info'] = 'news/read/2012/2/21/extraparam/test.html '; $ regx = 'news/read/2012/2/21/extraparam/test.html '; // Loop matching routing rule foreach ($ route as $ key => $ value) {// if the match is successful, if (parseUrlRule ($ key, $ value, $ regx, $ extension) break is not matched ;} /*** @ $ rule string routing rule * @ $ route string rule ing new address * @ $ regx string address bar pathinfo string * @ $ extension stirng pseudo static expansion name * return bool */function parseUrlRule ($ rule, $ route, $ regx, $ e Xtension = null) {// remove the suffix! Is_null ($ extension) & $ regx = str_replace ('. '. $ extension, '', $ regx); // splits routing rules and addresses into arrays, and matches $ ruleArr = explode ('/', $ rule) one by one ); $ regxArr = explode ('/', $ regx); // $ route is transmitted as an array, then the first $ url = is_array ($ route )? $ Route [0]: $ route; $ match = true; // match detection foreach ($ ruleArr as $ key = >$ value) {if (strpos ($ value ,': ') = 0) {if (substr ($ value,-2) =' \ d '&&! Is_numeric ($ regxArr [$ key]) {$ match = false; break;} elseif (strpos ($ value, ^ _ ^ ')) {$ stripArr = explode ('|', trim (strstr ($ value, ^ _ ^ '), ^ _ ^ ')); if (in_array ($ regxArr [$ key], $ stripArr) {$ match = false; break ;}// static items are case insensitive} elseif (strcasecmp ($ value, $ regxArr [$ key])! = 0) {$ match = false; break;} // if the match is successful ($ match) {// write the dynamic variable to the array $ matches, also remove static match items foreach ($ ruleArr as $ key => $ value) {if (strpos ($ value, ':') = 0) {// Obtain the dynamic variable as the array subscript if (substr ($ value,-) = '\') $ matchKey = substr ($ value, 1, -2); elseif ($ pos = strpos ($ value, ^ _ ^ ') $ matchKey = substr ($ value, 1, $ pos-1 ); else $ matchKey = substr ($ value, 1); $ matches [$ matchKey] = array_shift ($ regxArr);} else array_shift ($ reg XArr); // remove static match items} // obtain the value in the array to replace $ values = array_values ($ matches) with the child mode. // replace the regular expression, regular expressions must use 'e' as the modifier $ url = preg_replace ('/:( \ d +)/E',' $ values [\ 1-1] ', $ url); // resolution url format: Group/module/operation? Key1 = value1 & key2 = value2 if (strpos ($ url ,'? ')! = False) {// group/module/operation? Key1 = value1 & key2 = value2 $ arr = parse_url ($ url); $ paths = explode ('/', $ arr ['path']); parse_str ($ arr ['query'], $ queryArr);} elseif (strpos ($ url ,'/')! = False) // group/module/operation) $ paths = explode ('/', $ url); else // key1 = value1 & key2 = value2 parse_str ($ url, $ queryArr); // Obtain the group module operation if (! Empty ($ paths) {$ var ['actionname'] = array_pop ($ paths); $ var ['modulename'] = array_pop ($ paths); if (! Empty ($ paths) {$ groupList = 'Home, admin'; $ temp = array_pop ($ paths); if (in_array ($ temp, explode (',', $ groupList) $ var ['groupname'] = $ temp;} // merged to the GET array for global calling $ _ GET = array_merge ($ _ GET, $ var); // merge the parameter if (isset ($ queryArr) $ _ GET = array_merge ($ _ GET, $ queryArr ); // match the remaining parameter preg_replace ('/(\ w +) \/([^, \/] +)/e' in the url ', '$ tempArr [\' \ 1 \ '] = \' \ 2 \ '', implode ('/', $ regxArr); if (! Empty ($ tempArr) $ _ GET = array_merge ($ _ GET, $ tempArr); // if route is an array (is_array ($ route )) {$ route [1] = preg_replace ('/:( \ d +)/E',' $ values [\ 1-1] ', $ route [1]); parse_str ($ route [1], $ var); $ _ GET = array_merge ($ _ GET, $ var); strpos ($ url ,'? ')! = False? $ Der = '&': $ der = '? '; // The final parameter written to $ _ GET, which consists of three parts. // 1. remaining parameters in the address bar // 2. parameters in the route address // 3. $ route is the second parameter if (! Empty ($ tempArr) $ var = array_merge ($ tempArr, $ var); $ url. = $ der. http_build_query ($ var);} $ _ GET ['finalurl'] = $ url; // ensure that $ _ REQUEST can also be accessed $ _ REQUEST = array_merge ($ _ REQUEST, $ _ GET); // result print_r ($ _ GET); return true;} return $ match;} // index will be set during deployment. php hide, enable the rewrite module of apache // rewrite rule: RewriteRule ^ (. +) $/index. php/$1 // detailed configuration: http://lamp.linux.gov.cn/Apache/ApacheMenu/rewrite/// Apache automatically converts http:/www.test.com/news/read/2012/2/21/extraparam/test.htmlto http:/logs

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