PHP + redis: how to add and handle voting _ php skills

This article mainly introduces how to add and handle voting in PHP + redis, and analyzes the related skills of PHP + redis database operations in detail based on the instance, which has some reference value, for more information about how to add a vote in PHP + redis, see the example in this article. We will share this with you for your reference. The details are as follows:

<? Php header ("Content-Type: text/html; charset = utf-8"); include 'Lib/mysql. class. php '; $ mysql_obj = mysql: getConn (); if (class_exists ('redis') {// Redis $ redis = new redis (); $ redis-> pconnect ('2017. 0.0.1 ', 6379); if (isset ($ _ SERVER ['http _ referer']) {$ url_md5 = md5 ($ _ SERVER ['http _ referer']);} $ adve_key = 'adve'; $ adve_key_exists = 'adve _ exists'; if (! $ Redis-> exists ($ adve_key_exists) {$ list = $ mysql_obj-> fetch_array ("select * from admin_online_adve"); if ($ list) {foreach ($ list as $ key => $ value) {$ url_hash = md5 ($ value ['adve _ url']); $ adve_hash_key = $ adve_key. ":". $ url_hash; $ id = $ value ['id']; $ redis-> set ($ adve_hash_key, $ id); $ redis-> set ($ adve_key_exists, true) ;}}$ adve_new_key = $ adve_key. ':'. $ url_md5; if ($ redis-> exists ($ adve_new_key) {$ Dve_plus = $ adve_new_key. ": plus"; if (! $ Redis-> exists ($ adve_plus) {$ redis-> set ($ adve_plus, 1);} else {$ redis-> incr ($ adve_plus ); $ num = $ redis-> get ($ adve_plus); if ($ num> 100) {$ id = $ redis-> get ($ adve_new_key); // insert to SQL; $ mysql_obj-> query ("update admin_online_adve set adve_num = adve_num + $ num where id = $ id"); $ redis-> set ($ adve_plus, 1) ;}}}?>
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The php connection to mysql class mysql. class. php is as follows:

<? Phpdefine ("MYSQL_ SQL _GETDATA", 1); define ("MYSQL_ SQL _EXECUTE", 2); class mysql_db {var $ _ server; // database server address var $ _ user; // database connection account var $ _ password; // database connection password var $ _ dbname; // database name var $ _ persistency = false; // whether to use persistent connection var $ _ isConnect = false; // whether a database connection has been established var $ _ charset = "utf8 "; // database connection character set var $ _ isDebug = false; // whether Debug mode var $ _ SQL = array (); // execute the SQL statement array var $ _ db_connect_id; // identify the database connection object var $ _ result; // execute Return var $ _ record; var $ _ rowset; var $ _ errno = 0; var $ _ error = "connection error"; var $ _ checkDB = false; function mysql_db ($ dbserver, $ dbuser, $ dbpassword, $ database, $ persistency = false, $ autoConnect = false, $ checkdb = false) {$ this-> _ server = $ dbserver; $ this-> _ user = $ dbuser; $ this-> _ password = $ dbpassword; $ this-> _ dbname = $ database; $ this-> _ persistency = $ persistency; $ this-> _ autoConnect = $ AutoConnect; $ this-> _ checkDB = $ checkdb; if ($ autoConnect) {$ this-> connection () ;}} function connection ($ newLink = false) {if (! $ NewLink) {if ($ this-> _ isConnect & isset ($ this-> _ db_connect_id) {@ mysql_close ($ this-> _ db_connect_id );}} $ this-> _ db_connect_id = ($ this-> persistency )? @ Mysql_pconnect ($ this-> _ server, $ this-> _ user, $ this-> _ password): @ mysql_connect ($ this-> _ server, $ this-> _ user, $ this-> _ password, $ newLink); if ($ this-> _ db_connect_id) {if ($ this-> version ()> '4. 1') {if ($ this-> _ charset! = "") {@ Mysql_query ("set names '". str_replace ('-', '', $ this-> _ charset ). "'", $ this-> _ db_connect_id) ;}} if ($ this-> version ()> '5. 0 ') {@ mysql_query ("SET SQL _mode ='' ", $ this-> _ db_connect_id );} // check whether the specified database is successfully connected if ($ this-> _ checkDB) {$ dbname = mysql_query ('select database () ', $ this-> _ db_connect_id ); $ dbname = mysql_fetch_array ($ dbname, MYSQL_NUM); $ dbname = trim ($ dbname [0]);} else {$ dbname = '';} if ($ Dbname = $ this-> _ dbname | $ dbname = '') {if (! @ Mysql_select_db ($ this-> _ dbname, $ this-> _ db_connect_id) {@ mysql_close ($ this-> _ db_connect_id ); $ this-> _ halt ("cannot use database ". $ this-> _ dbname) ;}} else {if ($ this-> _ checkDB &&! $ NewLink) {$ this-> connection (true) ;}} return true;} else {$ this-> _ halt ('connect failed. ', false) ;}} function setCharset ($ charset) {// $ charset = str_replace ('-', '', $ charset ); $ this-> _ charset = $ charset;} function setDebug ($ isDebug = true) {$ this-> _ isDebug = $ isDebug;} function query ($ SQL, $ type = '') {return $ this-> _ runSQL ($ SQL, MYSQL_ SQL _GETDATA, $ type);} function execute ($ SQL) {return $ this-> _ RunSQL ($ SQL, MYSQL_ SQL _EXECUTE, "UNBUFFERED");} function _ runSQL ($ SQL, $ sqlType = MYSQL_ SQL _GETDATA, $ type = '') {if ($ type = "UNBUFFERED") {$ this-> _ result = @ mysql_unbuffered_query ($ SQL, $ this-> _ db_connect_id );} else {$ this-> _ result = @ mysql_query ($ SQL, $ this-> _ db_connect_id );} // in test mode, save the executed SQL statement if ($ this-> _ isDebug) {$ this-> _ SQL [] = $ SQL ;} if ($ this-> _ result) {return $ sqlType = MYSQL_ SQL _GETDATA? $ This-> getNumRows (): $ this-> getAffectedRows ();} else {$ this-> _ halt ("Invalid SQL :". $ SQL); return false ;}} function next ($ result_type = MYSQL_ASSOC) {$ this-> fetchRow ($ result_type); return is_array ($ this-> _ record );} function f ($ name) {if (is_array ($ this-> _ record) {return $ this-> _ record [$ name] ;}else {return false ;}} function fetchRow ($ result_type = MYSQL_ASSOC) {if ($ this-> _ result) {$ this-> _ reco Rd = @ mysql_fetch_array ($ this-> _ result, $ result_type); return $ this-> _ record;} else {return false;} function getAll ($ SQL, $ primaryKey = "", $ result_type = MYSQL_ASSOC) {if ($ this-> _ runSQL ($ SQL, MYSQL_ SQL _GETDATA)> = 0) {return $ this-> fetchAll ($ primaryKey, $ result_type);} else {return false ;}} function getOne ($ SQL, $ result_type = MYSQL_ASSOC) {if ($ this-> _ runSQL ($ SQL, MYSQL_ SQL _GETDATA)> 0) {$ arr = $ this-> f EtchAll ("", $ result_type); if (is_array ($ arr) {return $ arr [0] ;}} else {return false ;}} function fetchAll ($ primaryKey = "", $ result_type = MYSQL_ASSOC) {if ($ this-> _ result) {$ I = 0; $ this-> _ rowset = array (); if ($ primaryKey = "") {while ($ this-> next ($ result_type )) {$ this-> _ rowset [$ I] = $ this-> _ record; $ I ++ ;}} else {while ($ this-> next ($ result_type )) {$ this-> _ rowset [$ this-> f ($ primaryKey)] = $ this-> _ Record; $ I ++;} return $ this-> _ rowset;} else {// $ this-> _ halt ("Invalid Result "); return false ;}} function checkExist ($ SQL) {return $ this-> query ($ SQL)> 0? True: false;} function getValue ($ SQL, $ colset = 0) {if ($ this-> query ($ SQL)> 0) {$ this-> next (MYSQL_BOTH); return $ this-> f ($ colset);} else {return false ;}} function getNumRows () {return @ mysql_num_rows ($ this-> _ result);} function getNumFields () {return @ mysql_num_fields ($ this-> _ result);} function getFiledName ($ offset) {return @ mysql_field_name ($ this-> _ result, $ offset);} function getFiledType ($ offset) {return @ mysql_field_type ($ this-> _ result, $ offset );} function getFiledLen ($ offset) {return @ mysql_field_len ($ this-> _ result, $ offset);} function getInsertId () {return @ mysql_insert_id ($ this-> _ db_connect_id);} function getAffectedRows () {return @ mysql_affected_rows ($ this-> _ db_connect_id);} function free_result () {$ ret = @ mysql_free_result ($ this-> _ result); $ this-> _ result = 0; return $ ret;} function version () {return @ mysql_get_server_info ($ this-> _ db_connect_id);} function close () {return @ mysql_close ($ this-> _ db_connect_id);} function sqlOutput ($ isOut = true, $ all = true) {if ($ all) {$ ret = implode ("
", $ This-> _ SQL);} else {$ ret = $ this-> _ SQL [count ($ this-> _ SQL)-1];} if ($ isOut) {echo $ ret;} else {return $ ret;} function _ halt ($ msg = "Session halted. ", $ getErr = true) {if ($ this-> _ isDebug) {if ($ getErr) {$ this-> _ errno = @ mysql_errno ($ this-> _ db_connect_id); $ this-> _ error = @ mysql_error ($ this-> _ db_connect_id); printf ("MySQL _ error: % S (% s)
/N ", $ this-> _ errno, $ this-> _ error);} die ($ msg);} else {die (" Session halted. ") ;}}?>

I hope this article will help you with PHP programming.