PHP

PHP is an efficient network programming language. It is a preferred language for Web programmers because of its flexible programming and fast running. So how can we become a good PHP developer? It is not easy to become a PHP programming expert, as

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

Due to its powerful and scalability, PHP has been greatly developed in recent years. Compared with traditional ASP websites, PHP has an absolute speed advantage, if you want mssql to convert 60 thousand pieces of data to PHP, it will take 40 seconds

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

Small editors have previously reported some tips that PHP developers are easy to ignore. Apart from some technical methods, many nuances are also easy for programmers to ignore, next we will summarize 10 things you may not know about PHP.For more

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 =

// 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] = $

This article describes 42 suggestions for optimizing PHP code:1. If a method can be static, it will be declared as static. The speed can be increased to 4 times.2. echo is faster than print.3. Use multiple echo parameters instead of periods to

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),

You need to determine whether the variable has been defined. In php, this is an easy task. You can use the isset function to determine the variable. However, python does not seem to be so simple. Google, but there was no good result, so I had to

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

Get_headers: Send the server response HTTP RequestGet_headers (string url [LINK format])Get_headers () returns the HTTP request of the server as an array. If the execution fails, FALSE and an error level E_WARNING are returned.The optional parameter

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