U function, multi-entry jump Method

Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn. For example, index. php uses the U method to jump to user. php, which is not supported by default.
However, this method is used to completely solve this problem.
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Usage
The key lies in the first parameter of the U function, which can be processed in arrays or strings.
For example
I want to go to index. php? M = Home & c = Index & a = index page
Jump to admin. php? M = Site & c = Public & a = login page

The first method string format:
U ('admin. php? Site/Public/login '); => admin. php? M = Site & c = Public & a = login;
As long as one? Is added before the first parameter? Perform the interval. But remember that this entry must end with. php? You can set it like TP later.
The second method string format:
U (array ('admin. php', 'site/Public/login'); => admin. php? M = Site & c = Public & a = login;

** URL_MODEL = 0 and 1 are valid. 2, 3 is similar to changing the PATHINFO style ***



\ ThinkPHP \ Common \ functions. php open the system function library file
Search function U (where the function is located)
Replace the U function with the function that I have edited below. Function U ($ url = '', $ vars ='', $ suffix = true, $ domain = false ){
$/Index. php = '';
If (is_array ($ url )){
$/Index. php = C ('url _ PATHINFO_DEPR '). $ URL [0];
$ Url = $ url [1];
} Elseif (strpos ($ url ,'? ') & Strpos ($ url,'. php ')){
$ Url_var = explode ('? ', $ Url, 2 );
$/Index. php = C ('url _ PATHINFO_DEPR '). $ url_var ['0'];
$ Url = $ url_var ['1'];
}
// Parse the URL
$ Info = parse_url ($ url );
$ Url =! Empty ($ info ['path'])? $ Info ['path']: ACTION_NAME;
If (isset ($ info ['fragment ']) {// parse the anchor
$ Anchor = $ info ['fragment '];
If (false! = Strpos ($ anchor ,'? ') {// Parse parameters
List ($ anchor, $ info ['query']) = explode ('? ', $ Anchor, 2 );
}
If (false! = Strpos ($ anchor, '@') {// resolve Domain Name
List ($ anchor, $ host) = explode ('@', $ anchor, 2 );
}
} Elseif (false! = Strpos ($ url, '@') {// resolve Domain Name
List ($ url, $ host) = explode ('@', $ info ['path'], 2 );
}
// Resolve the subdomain name
If (isset ($ host )){
$ Domain = $ host. (strpos ($ host ,'.')? '': Strstr ($ _ SERVER ['HTTP _ host'], '.');
} Elseif ($ domain === true ){
$ Domain = $ _ SERVER ['HTTP _ host'];
If (C ('app _ SUB_DOMAIN_DEPLOY ') {// enable sub-domain name deployment
$ Domain = 'localhost '? 'Localhost': 'www '. strstr ($ _ SERVER ['HTTP _ host'],'. ');
// 'Subdomain name' => array ('module [/controller] ');
Foreach (C ('app _ SUB_DOMAIN_RULES ') as $ key => $ rule ){
$ Rule = is_array ($ rule )? $ Rule [0]: $ rule;
If (false === strpos ($ key, '*') & 0 === strpos ($ url, $ rule )){
$ Domain = $ key. strstr ($ domain, '.'); // generate the corresponding subdomain name
$ Url = substr_replace ($ url, '', 0, strlen ($ rule ));
Break;
}
}
}
}

// Parse parameters
If (is_string ($ vars) {// aaa = 1 & bbb = 2 convert to an array
Parse_str ($ vars, $ vars );
} Elseif (! Is_array ($ vars )){
$ Vars = array ();
}
If (isset ($ info ['query']) {// merge parameters in the resolution address to vars
Parse_str ($ info ['query'], $ params );
$ Vars = array_merge ($ params, $ vars );
}

// URL assembly
$ Depr = C ('url _ PATHINFO_DEPR ');
$ UrlCase = C ('url _ CASE_INSENSITIVE ');
If ($ url ){
If (0 === strpos ($ url, '/') {// define the route
$ Route = true;
$ Url = substr ($ url, 1 );
If ('/'! = $ Depr ){
$ Url = str_replace ('/', $ depr, $ url );
}
} Else {
If ('/'! = $ Depr) {// Security replacement
$ Url = str_replace ('/', $ depr, $ url );
}
// Resolution module, Controller, and Operation
$ Url = trim ($ url, $ depr );
$ Path = explode ($ depr, $ url );
$ Var = array ();
$ VarModule = C ('var _ module ');
$ VarController = C ('var _ controller ');
$ VarAction = C ('var _ Action ');
$ Var [$ varAction] =! Empty ($ path )? Array_pop ($ path): ACTION_NAME;
$ Var [$ varController] =! Empty ($ path )? Array_pop ($ path): CONTROLLER_NAME;
If ($ maps = C ('url _ ACTION_MAP ')){
If (isset ($ maps [strtolower ($ var [$ varController]) {
$ Maps = $ maps [strtolower ($ var [$ varController])];
If ($ action = array_search (strtolower ($ var [$ varAction]), $ maps )){
$ Var [$ varAction] = $ action;
}
}
}
If ($ maps = C ('url _ CONTROLLER_MAP ')){
If ($ controller = array_search (strtolower ($ var [$ varController]), $ maps )){
$ Var [$ varController] = $ controller;
}
}
If ($ urlCase ){
$ Var [$ varController] = parse_name ($ var [$ varController]);
}
$ Module = '';
If (! Empty ($ path )){
$ Var [$ varModule] = implode ($ depr, $ path );
} Else {
If (C ('multi _ module ')){
If (MODULE_NAME! = C ('default _ module') |! C ('module _ ALLOW_LIST ')){
$ Var [$ varModule] = MODULE_NAME;
}
}
}
If ($ maps = C ('url _ MODULE_MAP ')){
If ($ _ module = array_search (strtolower ($ var [$ varModule]), $ maps )){
$ Var [$ varModule] =$ _ module;
}
}
If (isset ($ var [$ varModule]) {
$ Module = $ var [$ varModule];
Unset ($ var [$ varModule]);
}
}
}
If (C ('url _ model') = 0) {// normal mode URL Conversion
$ Url = ($/index. php? $/Index. php:/index. php ).'? '. C ('var _ module'). "= {$ MODULE} &". http_build_query (array_reverse ($ VAR ));
If ($ urlCase ){
$ Url = strtolower ($ url );
}
If (! Empty ($ vars )){
$ Vars = http_build_query ($ vars );
$ Url. = '&'. $ vars;
}
} Else {// PATHINFO mode or URL-compatible mode
If (isset ($ route )){
$ Url = ($/index. php? $/Index. php:/index. php). '/'. rtrim ($ url, $ depr );
} Else {
$ Module = (defined ('Bind _ module') & BIND_MODULE = $ MODULE )? '': $ Module;
$ Url = ($/index. php? $/Index. php:/index. php). '/'. ($ module? $ Module. MODULE_PATHINFO_DEPR: ''). implode ($ depr, array_reverse ($ var ));
}
If ($ urlCase ){
$ Url = strtolower ($ url );
}
If (! Empty ($ vars) {// Add Parameters
Foreach ($ vars as $ var => $ val ){
If (''! = Trim ($ val) $ url. = $ depr. $ var. $ depr. urlencode ($ val );
}
}
If ($ suffix ){
$ Suffix = true? C ('url _ HTML_SUFFIX '): $ suffix;
If ($ pos = strpos ($ suffix, '| ')){
$ Suffix = substr ($ suffix, 0, $ pos );
}
If ($ suffix &&'/'! = Substr ($ url,-1 )){
$ Url. = '.'. ltrim ($ suffix ,'.');
}
}
}
If (isset ($ anchor )){
$ Url. = '#'. $ anchor;
}
If ($ domain ){
$ Url = (is_ssl ()? 'Https: // ': 'http: //'). $ domain. $ url;
}
Return $ url;
}

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