Step by step to build your own lightweight mvcphp framework-(iv) a domestic lightweight framework Amysql Source Analysis (3) Total Process Object

Amysqlprocess class, the total process object of the framework./amysql/amysql.php

The following is still the same as before, first on the code ~

classamysqlprocess { Public $AmysqlController;  Public $ControllerName;  Public $ActionName;  Public $ControllerFile; functionProcessstart () {Global $Config; if($Config[' Httppath '])        {            $GETParam= (strlen($_server[' Request_uri ']) >strlen($_server[' Script_name '])) ?Explode(‘/‘,Trim(Str_ireplace($_server[' Script_name '], ',$_server[' Request_uri ']), '/'): '; $GETCount=Count($GETParam); if($GETCount> 1)                 for($i= 2;$i<$GETCount; ++$i)$_get[$GETParam[$i]] =isset($GETParam[++$i]) ?$GETParam[$i] : ‘‘; }        $magic _quotes=function_exists(' GET_MAGIC_QUOTES_GPC ')?GET_MAGIC_QUOTES_GPC() :false;//whether the environment has a filter        if($Config[' Filter '])//Turn on filtering        {            ( !$magic _quotes&& (Amysql::filter ($_get, ' addslashes ') && amysql::filter ($_post, ' addslashes ') && amysql::filter ($_cookie, ' addslashes ') && amysql::filter ($_files, ' Addslashes ')) ); }        Else        {                ( $magic _quotes&& (Amysql::filter ($_get, ' stripslashes ') && amysql::filter ($_post, ' stripslashes ') && amysql::filter ($_cookie, ' stripslashes ') && amysql::filter ($_files, ' Stripslashes ')) ); }        $thisControllername =!Empty($GETParam[0])?$GETParam[0]: ((isset($_get[$Config[' Urlcontrollername ']) &&!Empty($_get[$Config[' Urlcontrollername '])) ?$_get[$Config[' Urlcontrollername '] : ' Index '); $this-Controllername =Str_replace(_pathtag, Directory_separator,$this-controllername); $thisActionName =!Empty($GETParam[1])?$GETParam[1]: ((isset($_get[$Config[' Urlactionname ']) &&!Empty($_get[$Config[' Urlactionname '])) ?$_get[$Config[' Urlactionname '] : ' Indexaction '); if(!Preg_match('/^[a-za-z] (\w) *$/',$thisControllername) | | !Preg_match('/^[a-za-z] (\w) *$/',$this-actionname)) Amysql:: Amysqlnotice (' Illegal routing address! ')); $this-Controllerfile = _controller.$thisControllername. '. php '; }    functionControllerstart () {if(!In_array($thisActionName,Get_class_methods($this-Controllername),true)) Amysql:: Amysqlnotice ($thisActionName. ' method does not exist '); Define("Controllername",$this-controllername); Define("ActionName",$this-actionname); $this-Amysqlcontroller =New $this->controllername ($_get);//Instance Controller        $this-Amysqlcontroller, {$thisActionName} ();//Execution Method    }}

First of all, here's how this processstart () process starts

The first sentence in this method is to introduce a global variable $config, which is an array that stores the initial configuration of many frameworks, and can be viewed here in detail.

This is followed by the use of $config[' Httppath '] to determine whether to open index.php/controller/action/name/value such a URL pattern, which is also said in the config configuration file.

If this URL pattern is started, then the URL is disassembled, and then the content is put into the $_get global variable.

Now for $_server[' Request_uri ' and $_server[' Script_name '] for a detailed explanation

REQUEST_URI 用来指定要访问的页面，包含后面的参数。

Script_name contains the path to the current script, without parameters.

The parameter here refers to the URL address? The latter part

For example, the following lines of code

<?  Echo ' Request_uri: '. $_server [' Request_uri ']. " ; Echo ' Script_name: '. $_server [' Script_name '];

I visit http://127.0.0.1/cs/uri.php/aaa/bbb it outputs the result is

The following is a detailed analysis of the meaning of this sentence

(strlen($_serverstrlen($_serverexplodetrim(str_ Ireplace($_server$_server[' Request_uri ']), '/'): ';

The subject of this sentence is a ternary operator, conditional on strlen ($_server[' Request_uri ') > strlen ($_server[' script_name ')), This means that when the URL address contains parameters, the parameter is split, or a space is returned.

To split the parameters, first use the Str_ireplace bar URL address of the Script_name this part to remove, leaving only the parameters section.

For example above, now use the following line of code to output a

<?  echostr_ireplace($_server$_server[' Request_uri ']);

So there's only a parameter left ~

And trim it is the role of the URL before and after the or does not have a/, such as/aaa/bbb/to convert to AAA/BBB

The explode function is then used to split the string by "/" and into the array $getparam.

The reason behind the for loop is starting from 2 is because $getparam[0] represents the controller, $GETParam [1] represents the method. These are not parameters, they are all in the $_get, and they are some parameter information.

The following controller name and method name is the first detection of the existence of $getparam, if it exists in the $getparam, if it does not exist then the detection according to the controller name and method names defined in config to $_get the Super global variable, if not found then use the default.

Here is the Controllerstart () function, which is used to turn on the controller and to create a new object based on the controller name into $this-Amysqlcontroller.

This created object uses an auto-load magic function __autoload (this function is written to the function.php file: Have not been found at the beginning. /(ㄒoㄒ)/)

function __autoload ($className) {       if(!  File_exists$className . '. php ') amysql::amysqlnotice (' controller file does not exist ');     include_once $className . '. php ';     if (! class_exists ($className))                       Amysql::amysqlnotice (' Controller not present ');}

This is the end of the analysis, and the next section will tell you the contents of the Controller Logic layer (C) Amysqlcontroller class ~

Step by step build your own lightweight mvcphp framework-(iv) a domestic lightweight framework Amysql Source Analysis (3) Total Process object