PHP

Phppdo automatic paging code and example /** * Class name: PdoPage * Author: Xie Shengtao shishengsoft@gmail.com * Description: it inherits from the PDO class and adds the automatic paging function,

Php string truncation function, php custom string truncation method /** * Extract database-extract strings * @ Param string $ string * @ Param int $ length * @ Param string $ dot: Specifies whether to

Php image watermarks support transparency of watermarks and background transparency /** * Watermarks: Supports the transparency settings of text image watermarks and the transparency of the watermark

Phppdo encapsulation class to add, query, modify, and delete mysql data Define ('dsn ', 'MySQL: host = 127.0.0.1; dbname = baozhong_tour'); // database address + constant of database name Define ('Db _

Phppdo encapsulation class code (supports transactions) /** * PDO database * @ Copyright By GOOGLE */ Class pdo_db { /** * PDO instance * @ Var PDO */ Protected $ _

PHPPDO encapsulation static class code sharing /** * Class DB * Database operations */ Class DB { /** * @ Var * @ Return CDB */ Private static $ db; /** Obtain the

The technical director talked about how programmers write code. To judge whether a programmer is a good programmer, it mainly depends on the code he writes, because the most important thing for a programmer is to write code.Even if you

Added an image watermark using the phpimagecopy function. // Add an image watermark (random position) to the background image. The background image format is jpeg and the watermark image format is gif.

Php image text watermark instance code Using imgw.'22.jpg '; $ Arr = getimagesize ($ img ); // Print_r ($ arr); // $ arr [0] indicates the image width, $ arr [1] indicates the image height, and $ arr

Php image auto-add watermark code, php image watermark function code /* * Function: php image watermark (watermarks support images or text) * Parameters: * $ Groundimage: specifies the background image

Code example for php to read the configuration file /** * Read the configuration file * By bbs.it-home.org */ If (! Isset ($ config )){ $ ARR = file ("admin. conf "); Foreach ($ ARR as $

Simple example of adding a watermark to a php image /** * Watermarks images (for png, jpg, and gif formats) * * @ Author flynetcn * * @ Param $ srcImg original image * @ Param $

Code for batch importing plaintext passwords into the mysql database Set_time_limit (13600); // Set the time $ Conn = mysql_connect ('localhost', 'root', ''); // connect to the database

Understanding and learning PHP framework in all aspects PHP has become the most popular scripting language for many reasons: flexibility, ease of use, and so on. For project development, we usually need a PHP framework to replace the

Php database operation code $ Conn = @ mysql_connect ("localhost", "username", "password") or die ("cannot connect to Mysql Server "); Note: close the connection that must be displayed when this connection is used2.

Compile and install the phplibevent Extension Library in linux Linux compilation and installation of php libevent extension method. to implement high-performance network services in php programming, the libevent Extension Library is

Php regular expression to obtain Image url method summary Header ("Content-type: text/html; charset = utf-8 "); $ Str =''; $ Pattern = "/[img | IMG]. *? Src = ['| \ "] (. *? (? : [.Gif |. jpg]) ['| \ "]. *?

Php observer mode example Class DemoSubject implements SplSubject { Private $ observers, $ value; Public function _ construct (){ $ This-> observers = array (); } Public function

Introduction to php plotting technology // Prerequisites for drawing technology: enable the gd library in the php. ini file // Create a canvas. the default background is black. $ Img =

Php to draw a pie chart (imagefilledarc method) $ Array = array ("Beijing" => 1925, "Shanghai" => 2016, "Guangzhou" => 1256, "Shenzhen" => 980 ); $ Arr_key = array_keys ($ array ); $ Color = array ();