PHP

MysqliWe can use the mysqli extension in PHP to communicate with MySQL database information, I means improved, enhanced, itExecution speed is faster. The mysqli extension is encapsulated in a class, which is an object-oriented technique, butUsers

Problem Description:If the data entered by the user is inserted into an SQL query statement without processing, then the application is likely to suffer a SQL injection attack, as in the following example:? 123 $unsafe_variable=

Website: http://medoo.lvtao.net/ /* medoo.php */ class medoo{protected$database _type = 'mysql'; protected $server = ' localhost '; protected $username = ' your_username '; protected $password = ' Your_password ';} Just three steps!

1. Definition of arraysA number of data that you want to be relevant, and that you don't want to define as multiple variables, you can define an arrayOne: The number of the array is unique and is used to differentiate the unitNumber = = Key/key

PHP Array sorting functionSort (& $arr [, fruits]) sorts the array from low to high and assigns a new key name back to BOOLRsort (& $arr [, fruits]) reverse sort the array and give the new key nameAsort (& $arr [, fruits]) sorts the array and keeps

As a PHP veteran, temporarily received a fire task, help debug a bunch of C # code, I Win8.1 32 bit, install Microsoft Visio 2013 is not installed, install win8.1 comes with IIS6.0, Installation is successful, dead or alive unable to start the ASP.

Php Performance Optimization-php language-level performance optimization 1 First of all, we need to know the reasons for affecting the performance of php? That is 1. Under what circumstances will php performance problems occur? 1php syntax

PHP generates a bar chart. php generates a bar chart. This example describes how to generate a bar chart in PHP. Share it with you for your reference. The specific implementation method is as follows: Copy codeThe Code is as follows:// Create an

UTF-8 to unicode in php, phputf-8 to unicode public function utf8_unicode($str) { $unicode = array(); $values = array(); $lookingFor = 1; for ($i = 0; $i = ord('0') && $thisValue Reference: http://randomchaos.com/documents? Source = php_

10 misunderstandings to be avoided in the PHP language PHP is a very popular open-source server scripting language. Most websites you see on the World Wide Web are developed using php. However, you may be surprised to notice that a small number of

A Mysql table creation statement and a mysql table creation statement 1 drop table if exists 'nuvue '; 2 3 create table 'nuvue' (4 'id' INT (10) unsigned not null AUTO_INCREMENT, 5 'status' TINYINT (2) unsigned not null default 0 COMMENT 'status', 6

Php gd library to generate image function summary, phpgd After the image is dynamically drawn using the function provided in the GD library, it needs to be output to the browser or saved. In PHP, you can directly generate GIF, JPEG, PNG, and WBMP

PHP to upload multiple files form design example, The process for uploading multiple files is the same as that for uploading individual files. You only need to provide multiple input forms of the "file" type on the client and specify different "name"

ThinkPHP built-in function description D, F, S, C, L, A, I, thinkphp Function Description Single letter functions D, F, S, C, L, A, and I are all defined in ThinkPHP/Mode/Api/functions. php. The following describes their functions: D () load Model

The PHP file is called on an html static page, This example describes how to call a PHP file on an html static page. Share it with you for your reference. The specific method is as follows: The static page does not seem to be able to directly call

Php uses fgetcsv to read csv files with garbled characters, This example describes how php uses fgetcsv to read csv files with garbled characters. Share it with you for your reference. The specific analysis is as follows: In general, encoding is the

CI framework Source Code Reading Notes 6 extended Hook. php, cihook. php The CI framework allows you to add or change the core functions of the system (such as rewrite cache and output) without modifying the core code of the system ). For

PHP implements html pdf file generation, This article describes how to use HTML2FPDF and wkhtmltoimage in linux to directly generate a pdf file on the webpage html and share it with you for your reference. The specific implementation method is as

Seven little-known but super-practical PHP functions and little-known php Functions PHP has many built-in functions, most of which are widely used by programmers. But there are also some functions hidden in the corner. This article will introduce

In general, if we cache the array into a file, we need to convert it into a string first, and then store it in a text file. Generally, there are two mechanisms to convert the array into a string, In general, if we cache the array into a file, we