The Zend cache ID is generated to clear the specified Zend cache page.

/*
*
How to clear '/Zhidao /? Page = 1 & id = 2 'cache.
Zend_loader: loadclass ('m M _ cacheid ');
$ Cacheid = custom_cacheid: makeid ('/Zhidao /? Page = 1 & id = 2', config: $ cacheoptions );
$ Globals ['cache']-> remove ($ cacheid );
*/
Class custom_cacheid
{
Static $ get = NULL;
Static $ post = NULL;
Static $ session = NULL;
Static $ cookie = NULL;
/**
* The cache ID is returned Based on the provided URL and cache options (config: $ cacheoptions in the system ).
* Set $ Param to change the $ _ Get, $ _ post, $ _ cookie, $ _ Session value,
For example:
$ Param = array (
'Post' => array ('id' => 1, 'page' => 1)
);
Set $ _ post to array ('id' => 1, 'page' => 1 ).
Note: The get parameter is automatically obtained based on the URL.
Note: $ URL? The get parameter cannot be incorrect, for example? A = & page = 1; str2arr is just a simple function, which may be different from the PHP analysis method, resulting in failure to obtain the correct ID
*/
Static public function makeid ($ URL, $ activeoptions, $ Param = array ())
{
Foreach ($ Param as $ key => $ value ){
SELF: $ key = $ value;
}
If (strpos ($ URL ,'? ')! = False ){
SELF: $ get = self: str2arr (substr ($ URL, strpos ($ URL ,'? ')));
}
$ TMP = $ URL;
Foreach (Array ('get', 'post', 'session ', 'files', 'cookies') as $ arrayname ){

$ Tmp2 = self: _ makepartialid (
$ Arrayname,
Isset ($ activeoptions ['cache _ with _ '. strtolower ($ arrayname).' _ variables '])? $ Activeoptions ['cache _ with _ '. strtolower ($ arrayname).' _ variables ']: false,
Isset ($ activeoptions ['make _ id_with _ '. strtolower ($ arrayname).' _ variables '])? $ Activeoptions ['make _ id_with _ '. strtolower ($ arrayname).' _ variables ']: True
);
If ($ tmp2 ===false ){
Return false;
}
$ TMP = $ TMP. $ tmp2;
}
Return MD5 ($ TMP );
}

/**
* Make a partial ID depending on options
*
* @ Param string $ arrayname superglobal array name
* @ Param bool $ bool1 if true, cache is still on even if there are some variables in the superglobal Array
* @ Param bool $ bool2 if true, we have to use the content of the superglobal array to make a partial ID
* @ Return mixed | false partial ID (string) or false if the cache shocould have not to be used
*/
Private Static function _ makepartialid ($ arrayname, $ bool1, $ bool2)
{
Switch ($ arrayname ){
Case 'get ':
$ Var =! Empty (Self ::$ get )? SELF: $ get: $ _ Get;
Break;
Case 'post ':
$ Var =! Empty (Self ::$ post )? SELF: $ post: $ _ post;
Break;
Case 'session ':
If (! Empty (SELF: $ session )){
$ Var = self: $ session;
} Else {
If (isset ($ _ Session )){
$ Var = $ _ Session;
} Else {
$ Var = NULL;
}
}
Break;
Case 'cookies ':
If (! Empty (SELF: $ cookie )){
$ Var = self: $ cookie;
} Else {
If (isset ($ _ cookie )){
$ Var =$ _ cookie;
} Else {
$ Var = NULL;
}
}
Break;
Case 'files ':
$ Var = $ _ files;
Break;
Default:
Return false;
}
If ($ bool1 ){
If ($ bool2 ){
Return serialize ($ var );
}
Return '';
}
If (count ($ var)> 0 ){
Echo $ arrayname. '<HR> ';
Return false;
}
Return '';
}
/*
* Convert a string to an array.
For example, input? Page = 1 & id = 1 will return array ('page' => 1, 'id' => 1)
*/
Static function str2arr ($ Str ){
$ STR = preg_replace ("/^ /? /"," ", $ Str );
$ TMP = Split ("&", $ Str );
$ Return = array ();
Foreach ($ TMP as $ t ){
$ String = Split ("=", $ t );
If (count ($ string) = 2 ){
$ Return [$ string [0] = $ string [1];
}
}
Return $ return;
}
}

 

 

Config: $ cacheoptions

Static $ cacheoptions = array (
'Cache' => true,
'Cache _ with_get_variables '=> true, // cache when a get variable exists
'Cache _ with_post_variables '=> false, // No cache is performed when a post variable exists.
'Cache _ with_cookie_variables '=> true, // cache when COOKIE variables exist
'Cache _ with_session_variables '=> true, // cache when session variables exist
'Make _ id_with_cookie_variables '=> false,
'Make _ id_with_session_variables '=> false,
'Make _ id_with_post_variables '=> false,
'Make _ id_with_files_variables '=> false,
'Make _ id_with_get_variables '=> true
);