PHP Tutorials

PHP's several commonly used number judgment function code, mainly including double precision, integer, character judgment and so on. Commonly used numerical judgment function "); } Double-precision number judgment $Temperature = 15.23; if (

I write in PHP to generate membership account function, for reference only, the code is as follows: function Get_number ($table, $filed) {if (!isset ($table) | |!isset ($filed)) {return ';} if (Trim ($table) = = ' | | Trim ($filed) = = ') {return ';

Personal-made site call Tags: {if $menu _title eq '} {$web _config. w_st}{else}{$menu _title}{/if} {if $web _config. W_GC eq ' 1 '}{literal} {/literal}{/if} Articles you may be interested in Summary of System

The gzip feature is a compression of the page size to speed up the opening of the Web page, the current mainstream browser almost all support this feature. This is a very useful and popular feature, but it requires server support to turn on gzip,

Website Copyright: {$web _config. W_SN} Website title: {$web _config. W_st} Website keywords: {$web _config. W_KW} Website Description: {$web _config. W_ds} Website URL: {$web _config. W_u} Website ICP record number: {$web _config. W_i} Company

Copy CodeThe code is as follows: Paging function First page: URL/1 second page: URL/2 function pages ($url, $totalnum, $page, $pagesize = 20) { $urladd = "; $url. = '/'; $totalpage = Ceil ($totalnum/$pagesize); if ($totalpage $page = min

In the process of doing the project, you need to use the LIKE keyword to combine the query criteria, the following authors will use in the thinkphp like query to do share. Here are the main examples of usage: $userForm =m (' user '); $where [' Name

Smarty Video tutorial Sharing, the following is the specific download address, the need for friends can see, the Smarty template explained very detailed, the author of a cursory look at the catalogue, is really detailed to the details of the drop,

This article mainly describes the PHP generation of custom-length random string function sharing, the need for friends can refer to the following PHP randomly generated string can define its own length, in the actual application development, often

Most of the friends who do PHP development know that there is a ucenter can be used to achieve multiple sites at the same time to log out, the user synchronization function. The following author will be on how to achieve synchronization Ucenter and

Pagination display is one of the most frequently handled aspects of Web programming. The so-called paging display, is the result set by the program to display a paragraph. For paginated display, two initial parameters are required: How many records

Through this interface can query Yuantong Express, Shentong Express, EMS Express, Yun Tatsu Express, such as courier tracking information, no additional development, very convenient First, register an account with www.aikuaidi.cn and use key! Copy

The first common sense is that in the browser to execute the JS script, when there is a script error, and you do not manually do the exception capture, he will appear in the browser yellow exclamation mark, it is normal, this is not the most

The thinkphp template engine can directly output some system variables and system constants, as well as system special variables, without assigning values to a template variable. The output for the system variable must be $think. And can still

Interface Defines an interface class in which the subclasses of a method must be implemented. An interface is a template for a class whose subclasses must implement all the methods defined in the interface. Interface user{ function

first, the data cache In this case, the data cache refers to the database query cache, each time the page is accessed, the corresponding cache data will be detected, if not, connect to the database, get the data, and the query results are

The header () function of PHP is used to define the encoding of a PHP page (note: There can be no output before, otherwise an error) PHP page is UTF8 encoded: header ("content-type:text/html; Charset=utf-8 "); PHP page is GBK encoded: header

PHP Merging arrays We can use the Array_merge () function, the Array_merge () function, to return an array of unions. The resulting array starts with the first input array parameter, appended in the order in which the array parameters appear later.

PHP function instance, based on regular expressions to determine the browser's default language, in fact, PHP judgment browser language using Super global variable _server["http_accept_language" can be obtained, And then according to the HTTP

Share the generated code for a short php URL. Copy CodeThe code is as follows: Urlshort Header ("Content-type:text/html;charset=utf-8"); function base62 ($x) { $show = "; while ($x >0) { $s = $x% 62; if ($s > 35) { $s = Chr