PHP

Background JpGraph: In the past, you must master complex and abstract drawing functions when using PHP, or use the classes of bar chart and pie chart downloaded from the Internet. There is no unified chart class for quick chart development. Now we

PHP is a very popular scripting language mainly used to process dynamic web pages. PHP users will be pleasantly surprised to run the PHP application on the Windows Azure platform. We know that one of the advantages of Microsoft Windows Azure

There is no such thing as session in php3, but we need it again. What should we do? Don't worry. Many people have done this for you. The most famous one is phplib. You can download it from a foreign site or from most php sites in China. The first

Generate XML source code: $ Dom = new DOMDocument ();If (! $ Dom){Printf ("failed to construct XML! ");Return-3999;} If (FALSE = ($ dom-> load ($ filename ))){Add_root ();If (FALSE = ($ dom-> load ($ filename ))){Return-3999;}} //

Class upphoto { Public $ previewsize = 0.125; // preview the image proportion Public $ preview = 0; // whether to generate a preview. The value is 1 and the value is 0. Public $ datetime; // Random Number Public $ ph_name; // upload the image

Php built-in function strip_tagsEcho strip_tags ("hello world! Www.ite5e.com ");Custom functions:Function filterhtml ($ str ){$ Str = eregi_replace ("] *>", $ str );$ Str = str_replace ("", $ str );$ Str = str_replace ("n", $ str );$ Str =

/*** * Time * Www.ite5e.com * Note: If you have any questions, you can reply. * The program has the call test code at the bottom. ***/ Define ("DEFAULT_FONT_PATH", "c:/windows/fonts/simhei. ttf "); Class barbarism { Private $ _ x; Private $

// Delete the same element from the array and retain only one element. Function formatArray ($ array) { Sort ($ array ); $ Tem =; $ Temarray = array (); $ J = 0; For ($ I = 0; $ I { If ($ array [$ I]! = $ Tem) { $ Temarray [$ j] = $

Explains how to create a file instance in php: $ Data = date ("Ymd "); $ Dir = "/hom/kyle/file/$ data "; $ Filename = "/home/kyle/file/$ data/testfile "; $ Filecontent = "this is the content to be written test space "; // Determine whether

PHP Apache is used for programming. By default, PHP encoding errors are not prompted, which is inconvenient for development. Follow these steps to enable the error prompt:1. Open the php. ini file.Take my ubuntu as an example. The file is in the/etc/

1. dateUsage: date (format, [time]);If there is no time parameter, the current time is used. The format is a string. The following characters have special meanings:U is replaced with the number of seconds since the start time (like January 1, 1970),

As long as you install some third-party library files and have some geometric knowledge, you can use PHP to create and process images. Using PHP to create dynamic images is quite easy. Next, I will introduce how to implement it in detail. Install

First, it is best to keep the files installed at that time after installing php, such as my path/export1/soft Cd php-5.1.6/ext/soap /Usr/local/php/bin/phpize ./Configure-with-php-config =/usr/local/php/bin/php-config-enable-soap Make Make

We can see a topic publishing application on websites such as QQ personal center or Sina Weibo. This application enables real-time statistics on the number of input words, and interacts with the background through Ajax to insert the input content

Developers who have done CMS know that background login and file upload in the LAMP environment are very prone to problems. Most of them are due to PHP configuration problems, so it is vital to optimize PHP. PHP optimization is mainly for php. the

1. Find the PHP script execution timeMax_execution_time = 30This option sets the maximum execution time of the PHP program. If a PHP script is requested and cannot be executed within max_execution_time, PHP will not continue to run, a timeout error

Record it and use it later $ Host = www.google.com; // the IP address to be pinged. It can also be an IP address. $ Port = 80; // port to be pinged $ Num = 3; Function microtime_float () { List ($ usec, $ sec) = explode ("",

Functions are as follows.The rewrite rules are consistent with those of Wordpress.Compatible with IIS, Apache, and Nginx.Only one file implements all functions.    If (isset ($ _ GET [wd]) { $ Keywords = $ _ GET [wd]; } $ Uri = isset ($

Cache. inc. php: dir_isvalid ($ dir) {$ this-> dir = $ dir; $ this-> lifetime = $ lifetime; $ this-> ext =. php; $ this-> cacheid = $ this-> getca Cheid () ;}}/*** check whether the cache is valid */private function isvalid () {if (! File_exists ($

Class Mobi {Function _ isMobile (){$ Useragent = $ _ SERVER [HTTP_USER_AGENT];If (preg_match (/android | avantgo | blackberry | blazer | compal | Eline | fennec | hiptop | iemobile | ip (hone | od) | iris | kindle | lge | maemo | midp | mmp | opera