PHP

Basic usage of phpexcel class library // Write an excel file // Include class Require_once ('classes/PHPExcel. php '); Require_once ('classes/PHPExcel/Writer/excel2007.php '); $ ObjPHPExcel

Php multi-image Upload watermark code // Php watermark function Function imageWaterMark ($ groundImage, $ waterPos = 0, $ waterImage = "", $ waterText = "", $ textFont = 5, $ textColor = "# FF0000 ") {

Phppdo database operation encapsulation code /** * Database PDO operations */ Class MysqlPdo { Public static $ PDOStatement = null; /** * Database connection parameter

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 $ waterImg

How to open a php file How to open a php file Before answering this question, let's first understand what php is.PHP is short for Hypertext Preprocessor. PHP is an embedded HTML language. it is a scripting language that executes

Php file operation method Q & $ Filename = "test. dat"; // defines the operation file $ Delline = 3; // number of rows to be deleted If (! File_exsits ($ filename )){ Die ("The specified file is not

How to draw a circular chart in php _ phpgd Library // 1. create a canvas $ Im = imagecreatetruecolor (300,200); // create a real-color image. the default background is black and the image identifier is

Detailed explanation of PHP paging code (with instance attached) // Establish a database connection $ Link = mysql_connect ("localhost", "mysql_user", "mysql_passWord ") Or die ("cocould not connect:"

Php paging code and paging call Class Page { Private $ total; // total records Private $ pagesize; // The number of entries displayed on each page Private $ limit; // limit Private $ page; /

Php paging code. you can set the paging mode in the "allow" mode. Class Page { Private $ total; // total quantity Private $ limit; // returns the mysql limit statement. Private $ pageStart; //

Php regular expressions do not contain a string sample code This article describes how to write a php regular expression that does not contain a certain string. a regular expression does not contain a specified string. For more

Php random verification code image generation instance details /** Default homepage **/ Class DefaultController extends AppController { Public function index (){ $ Len = 5; $ Str =

Phpsql injection attacks and precautions // Supposed input $ Name = "ilia '; delete from users ;"; Mysql_query ("SELECT * FROM users WHERE name = '{$ name }'"); Obviously, the command executed by the database

Php image cropping and scaling methods /* Check whether the original file exists and obtain the information of the original file */ $ Org_info = @ getimagesize ($ img ); $ Img_org = $ this-> img_resource ($ img, $

How does the Sina SAE cloud platform use codeigniter database configuration? $ Db ['default'] ['hostname'] = SAE_MYSQL_HOST_M; $ Db ['default'] ['username'] = SAE_MYSQL_USER; $ Db ['default'] ['password'] =

PHP deletes empty array values Foreach ($ arr as $ k =>$ v ){ If (! $ V) Unset ($ arr [$ k]); } ?> In addition, the self-feeling is quite good, but this efficiency is not very high. I

Write Chinese or watermarks to images It's actually a watermark. // Session_start (); Header ("Content-type: image/png"); // declare an image // $ Image = imagecreate (417,294); // create an image size $

PHP database Toolkit A very lightweight PHP database toolkit was born for two days (enough to prove very lightweight ).Two classes: one Connection to manage the PDO Connection (supporting multiple databases) and one QuickQuery to quickly

Solution to Undefinedindex and Undefinedvariable in php This prompt always appears in the php project process. at first, $ act was used to accept the data from form post: $ act =$ _ POST ['AC'];This prompt always appears in the php project

Example of using functions to read XML files in php Else // Step 1 create the parser xml_parser_create (encoding ); $ Xml = xml_parser_create ('utf-8 '); // Xml_parser_set_option-set options for