how to generate graph in php from database

This article provides a detailed analysis of php backup database code (word, excel, json, xml, SQL). For more information, see Single table backupCode: The code is as follows: Class Db{Var $ conn;Function Db ($ host = "localhost", $ user = "root", $ pass = "root", $ db = "test "){If (! $ This-> conn = mysql_connect ($ host, $ user, $ pass ))Die ("can't connect to mysql sever ");Mysql_select_db ($ db, $

The following is the detailed code for php to export the full mysql database to generate an SQL file. I hope it will help you find and make changes to the backup data during php programming. File name: db_backup.php The source code is as follows: The code is as follows: Ini_set ("max_execution_time", "180"); // av

When PHP reads the records in the database to generate XML, the records contain Chinese characters. what should I do if I want to use the DOM function of PHP to generate XML documents? if the documents contain Chinese characters, an error occurs, that is, it is useless to us

= microtime(); 09 //list($m0,$s0) = split(" ",$t); 10 list($m0,$s0) =explode(" ",$t); 11 //list($m1,$s1) = split(" ",$t1); [ ; list ( $m 1 $s 1 ) = explode ( $t 1 13 returnsprintf("%.3f ms",($s1+$m1-$s0-$m0)*1000); 14 } Use the following: 1 publicfun

Php method of generating a tree list from database query results, query result tree The example in this article describes how PHP generates a tree list from the database query results. Share to everyone for your reference. The specific analysis is as follows: This code can read data from the

Many blog software have such a function. For example, it takes xx milliseconds to generate this page and perform xx database queries. So how can this function be implemented? Let me give you a rough idea. 1. Declare global variables in the class Constructor Defines a global variable $ queries to count the number of database queries generated on the page. function

: " Fcdb06a72af0516502e5fdccc9181ee0 ";} I:4;a:4:{s:2: "id"; s:1: "5"; S:5: "Level"; s:1: "1"; s:4: "Name"; S:6: "star brother"; S:3: "pwd"; s:32: " 866a6cafcf74ab3c2612a85626f1c706 ";} I:5;a:4:{s:2: "id"; s:1: "6"; S:5: "Level"; s:1: "1"; s:4: "Name"; s:6: "Sin Yong"; s:3: "pwd"; s:32: " E93beb7663f3320eaa0157730d02dd0c ";}}Then we can write a program to read the data from the file, the PHP code is as follows:So our $result is the data read from the

Below is PHP's detailed code to export the MySQL database to generate SQL files, which hopefully will help you back up your data while you are programming with PHP From the Internet search, there are changes. nbsp; nbsp; filename:db_backup.phpnbsp; nbsp; Source code is as follows:nbsp; nbsp; code as follows: ;nbsp; nbsp;