Line 3 describes MVC. After reading the notes summarized by kohana

The first line is bigger. After reading the notes summarized by kohana. None? Phpheader (Content-type: texthtml; charsetutf-8); define (, str_replace (\, ,__ DIR _); set_exception_handler (array (Factory, last_fun )); set a user-defined exception handling function Factory

The first line is bigger. After reading the notes summarized by kohana. None? Php header ('content-type: text/html; charset = UTF-8 '); define ('', str_replace ('\\','/', _ DIR _); // set_exception_handler (array ("Factory", "last_fun"); sets a user-defined exception handling function Factory

The first line is bigger. After reading the notes summarized by kohana. <无>

  $ Val) {$ value [$ key] = self: sanitize ($ val) ;}} elseif (is_string ($ value) {if (self :: $ magic_quotes = TRUE) {$ value = stripslashes ($ value);} if (strpos ($ value, "\ r ")! = FALSE) {$ value = str_replace (array ("\ r \ n", "\ r"), "\ n", $ value );}} return $ value;} public function _ set ($ k, $ v) {$ this-> $ k = $ v;} public function _ call ($ method, $ arg) {echo 'error specify page'; print_r ($ arg); // error specify page} public static function _ callStatic ($ method, $ arg) {print_r ($ arg); // it is unlikely that the static page specified by the error will be written here} public function assign ($ key, $ value) {$ this-> data [$ key] = $ value;} // introduces the public functi template. On display ($ template, $ ext = '.html ') {$ template_path = $ template. $ ext; if (file_exists ($ template_path) {foreach ($ this-> data as $ k = >$ v) {$ this->__ set ($ k, $ v) ;}include $ template_path ;}}// controller class IndexAction extends ProductInterface {public function index () {print_r ($ _ GET ); // $ body = file_get_contents ('php: // input'); // print_r ($ body); // The result is member_id = 1234567 enctype = "multipart/form-data" // Print_r ($ _ POST); // The result is Array ([member_id] => 1234567) // $ model = new Article ('Article '); // $ arr = $ model-> select ('select * FROM article limit 2'); // print_r ($ arr);} public function admin ($ array) {$ model = new Article ('Article'); $ array = array (); $ array ['rec '] = 'admins '; $ array ['pos'] = 'les'; $ array ['content'] = 'hellow world'; echo $ model-> add ($ array );}} /// controller 2 class AdminAction extends Product Interface {public function index ($ array) {echo _ method __. 'method' ;}} class Factory {protected static $ ins = null; protected function _ construct () {ob_start (); // open the buffer static: autoLoad (); register_shutdown_function (array ('factory ', 'last'); // after the program is executed, run} public static function getIns ($ url) {if (self :: $ ins instanceof self) {self ::$ ins-> execute ($ url);} else {self ::$ ins = new self (); self :: $ ins-> execu Te ($ url) ;}} protected function set_router ($ uri) {/* $ uri = 'index/admin'; // $ route_regex = '# ^ (? :(? P [^ /.,;? \ N] ++ )(? :/(? P [^ /.,;? \ N] ++ )(? :/(? P [^ /.,;? \ N] ++ ))?)?)? $ # UD '; // $ route_regex =' # ^ captcha (? :/(? P [^ /.,;? \ N] ++ ))? $ # UD '; $ route_regex =' # ^ (? :(? P
  
   
[^ /.,;? \ N] ++ )(? :/(? P [^ /.,;? \ N] ++ )(? :/(? P
   
    
[^ /.,;? \ N] ++ ))?)?)? $ # UD '; if (! Preg_match ($ route_regex, $ uri, $ matches) {echo 'does not match';} else {print_r ($ matches);} */$ arr = array (); if (strpos ($ uri ,'? ') = False) {$ pathinfo = array (); if (! Empty ($ _ SERVER ['path _ info']) {$ arg = trim ($ _ SERVER ['path _ info'], '/');} else if ($ request_uri = parse_url ($ _ SERVER ['request _ URI '], PHP_URL_PATH) {// valid URL path discovery, set it. $ Arg = trim ($ request_uri, '/');} if (stripos ($ arg ,'/')! = False) {$ pathinfo = explode ('/', $ arg);} $ arr ['ctroloer'] = isset ($ pathinfo [0])? $ Pathinfo [0]: 'index'; array_shift ($ pathinfo); $ arr ['action'] = isset ($ pathinfo [0])? $ Pathinfo [0]: 'index'; array_shift ($ pathinfo); $ num = count ($ pathinfo); for ($ I = 0; $ I <$ num; $ I + = 2) {$ arr ['param'] [$ pathinfo [$ I] = $ pathinfo [$ I + 1];} return $ arr ;} else {$ ln = parse_url ($ uri); parse_str ($ ln ['query'], $ array ); $ arr ['ctroloer'] = $ array ['M']? Strtolower ($ array ['M']): 'index'; $ arr ['action'] = $ array ['C']? Strtolower ($ array ['C']): 'index'; unset ($ array ['M']); unset ($ array ['C']); $ arr ['param'] = $ array; return $ arr ;}} protected function execute ($ url) {$ arr = self :: $ ins-> set_router ($ url); $ _ GET = isset ($ arr ['param'])? $ Arr ['param']: array (); $ ProductType = ucfirst ($ arr ['ctroloer']). 'action'; if (class_exists ($ ProductType) {$ p = new $ ProductType (); $ p-> $ arr ['action'] ($ arr );} else {throw new Exception ("Error Processing Request", 1) ;}} public static function last () // echo 'script executed successfully '. PHP_EOL; {$ info = ob_get_contents (); // obtain the buffer content and assign it to $ info folder file=fopen(1__server}'document_root').directory_separator.'indexs.html', 'W'); // open the file and specify the cache directory fwrite ($ file, $ info); // write the information to info.txt fclose ($ file ); // close the file info.txt // ob_end_clean (); ob_end_flush (); flush ();} static public function loadFile ($ className) {$ dir = array (); $ dir [0] =. '/application/'; // specify multiple directories $ dir [1] =. '/module/'; $ file_arr = self: find_file ($ dir, $ className); foreach ($ file_arr as $ value) {if (is_file ($ value )) {return include_once $ value;} else {throw new \ Exceptio N ('couldn't find '. $ className. 'class') ;}} public static function find_file ($ paths = array (), $ name) {$ name = ucfirst ($ name ). '. php '; $ found = array (); foreach ($ paths as $ dir) {if (is_file ($ dir. $ name) {$ found [] = $ dir. $ name ;}return $ found;} // register the automatic loader static public function autoLoad () {spl_autoload_register (array (_ CLASS __, 'loadfile '));} // register the automatic loader 2 // register multiple automatic loading functions as needed static public function autoLoad2 () {sp L_autoload_register (array (_ CLASS __, 'loadfile2');} abstract class DB {public $ db = NULL; public $ table = NULL; public $ config = array ('dsn '=> 'mysql: dbname = test; host = 127.0.0.1', 'user' => 'root ', 'Password' => 'root', 'charset' => 'utf8', 'persistent' => false // persistent link); public $ options = array (PDO :: MYSQL_ATTR_INIT_COMMAND => "set names",); public function _ construct ($ table) {$ this-> table = $ table; $ this-> op Tions [PDO: MYSQL_ATTR_INIT_COMMAND]. = $ this-> config ['charset']; if ($ this-> config ['persistent']) {$ this-> options [PDO :: ATTR_PERSISTENT] = true;} try {// persistent connection. If necessary, set array (PDO: ATTR_PERSISTENT => true) as the fourth parameter $ this-> db = $ pdo = new \ PDO ($ this-> config ['dsn '], $ this-> config ['user'], $ this-> config ['Password'], $ this-> options); // $ dbh-> setAttribute (PDO: ATTR_ERRMODE, PDO: ERRMODE_SILENT ); // No error is displayed $ pdo-> setA Ttribute (PDO: ATTR_ERRMODE, PDO: ERRMODE_WARNING); // displays a warning error and continues to run $ this-> db-> setAttribute (PDO: ATTR_ERRMODE, PDO :: ERRMODE_EXCEPTION); // generates a fatal error, PDOException // $ this-> db-> exec ('set names utf8');} catch (\ Exception $ e) {throw new \ Exception ($ e-> getMessage () ;}} public function query ($ SQL) {return $ re = $ this-> db-> query ($ SQL);} public function select ($ SQL) /* query */{$ re = $ this-> query ($ SQL); return $ Re-> fetchAll ();} public function add ($ arr = array () {/* add */$ SQL = 'insert '. $ this-> table. '('. implode (',', array_keys ($ arr )). ')'; $ SQL. = "values ('"; $ SQL. = implode ("','", array_values ($ arr); $ SQL. = "')"; $ stmt = $ this-> db-> prepare ($ SQL); $ stmt-> execute ($ arr ); echo $ this-> db-> lastinsertid ();} public function update ($ arr, $ where = 'where 1 limit 1 ') {/* modify * // $ SQL = "UPDATE 'user 'Set' password' =: password WHERE 'user _ id' =: userId "; $ SQL = 'update '. $ this-> table. 'set'; foreach ($ arr as $ k => $ v) {$ SQL. = $ k. "= '". $ v. "'," ;}$ SQL = rtrim ($ SQL,', '); $ SQL. = $ where; $ stmt = $ this-> db-> prepare ($ SQL); $ stmt-> execute ($ arr); return $ stmt-> rowCount ();} public function delete ($ SQL) {/* delete */$ stmt = $ this-> db-> prepare ($ SQL); $ stmt-> execute (); return $ stmt-> rowCount ();}}//// One Class of each table can inherit the DB class ..... Class Article extends DB {}?> Script var x = 1, y = z = 0; function add (n) {n = n + 1;} y = add (x); function add (n) {n = n + 3;} z = add (x); script