PHP

Improve PHP performance by caching database results. As we all know, the results of cache database queries can significantly shorten the script execution time and minimize the load on the database server. If the data to be processed is basically

Very simple PHP thumbnail generation program source code .? $ FILENAMEimage_name; width of the generated image $ RESIZEWIDTH400; height of the generated image $ RESIZEHEIGHT400; functionResizeImage ($ im, $ maxwidth, $ maxheight, $ name) {$

PHP plot (1 ). I dare not say "speak" about the GD library here, because I only use GD once or twice, and the vast majority of functions have not been used yet. But I had to submit a draft to me with enthusiasm. I dare not say "speak" about the GD

PHPExtendedCHM Chinese manual. I strongly recommend that users on haphp.net have comments on functions. Why didn't I find this good thing? how to use it: 1. decompress it to the php_manual_zh folder 2.p I strongly recommend that users on haphp.net

Pear: integrated application of Pager and AJAX. As a PHP developer, one of the most useful things is the Pear class library. We know that Pear: Pager is dedicated to processing pages, while Pear: HTML_AJAX is an Ajax application. As a PHP developer,

The Chinese file of the curl function. Curl_setopt-set an option description boolcurl_setopt (intch, stringoption, mixedvalue) for a CURL call. the curl_setopt () function sets an option for a CURL session. The option parameter is yours. Curl_setopt-

(Correct version) smarty Quick Start Guide for half an hour. I. smarty program design part: in the template design section of smarty, I briefly introduced some common settings of smarty in the template, this section describes how to design a smarty

ZendFramework Database Summary [original]. Zend_Db database knowledge example: Model File: $ this-fetchAll (is_jian1, idDESC,)-toArray (); according to is_jian1, sort by id in reverse order. obtain the first two records. if the first parameter is

The difference between single quotes and double quotes in php. Developers often use single quotes and double quotes, but it is not very clear to use them. The following describes the difference between single quotes and double quotes "."" Fields in

PHPMVC mode development (1): Unified site Portal. This article describes how to use php to implement MVC-mode development files. Technical articles on the MVC mode are available everywhere on the Internet, so this article will not talk about the

Common php user registration detection classes .? Php *** Check class * ClassCheck {*** IsUsername function: checks whether the username format is correct * $ Argv is the username parameter to be checked * $ RegExp is the regular statement to be

Differences between isset () and empty () functions in PHP. The isset () function of PHP is generally used to check whether the variable is set in the format boolisset (mixedvar [, mixedvar [,...]). function: checks whether the returned value is set.

Php generates a tornado link for Thunder Express .? Phpfunctionzhuanhuan () {$ urloddexplode (, $ _ GET [url], 2); divide the link into two sections. The first section is the first section, followed by the second section $ headstrtolower ($ urlodd [0

PHP creates an instance code for the tornado downloading link of Thunder Express .? Phpfunctionzhuanhuan () {$ urloddexplode (, $ _ GET [url], 2); divide the link into two sections. The first section is the first section, the second section is

PHP performance optimization summary. 1. for many code files, especially including many containing files (includeorrequire ). They need to spend more time and parse and generate intermediate code. 2. even if the PHP code file is not 1, many code

The second chapter of the basic PHP syntax. 1. how to define a constant keyword: define Syntax define (constant name, constant value )? $ A123; define (I, $ a); echoI ;? 2. array 1 defines an array keyword array syntax array (key 1, how to define a

Implement simple ACL. Php code? Php *** simple ACL permission control function ** table definition ** 1. resource definition (rsid, access, desc) * 2. role definition (id, rolename, desc) * 3. resource-role Association (rsid, role_id Php code /**

Php obtains the size of all disk space on the server. In common programming, you sometimes need to obtain disk space usage. In most cases, the disk_free_space and disk_total_space functions are used. The following example shows how to obtain the

PHP checks whether remote files exist. Briefly explain the above code. Get_headers is used to access a remote address and return the HTTP header sent by the server as an array. $ Header [0] indicates the status returned by the server. the above code

[Php kernel] ---- file system functions are used in common files. Today, I talked to my colleagues about the function of fflush. I thought that the file system function of php should be built on the standard IO Library of the system. therefore, the