PHP

Cache refers to the temporary file exchange zone. The computer puts the most commonly used files out of the memory and puts them in the cache temporarily, just like moving tools and materials onto the workbench, in this way, it is more convenient to

Echo is a PHP statement, print and print_r are functions, and the statement does not return values. The function can return values (even if it is not used)Print can only print values of simple type variables (such as int and string)Print_r can print

The most frequently asked question in the PHP email list is: "How to install PHP on my Windows machine ?", Maybe I can help answer this question. After the installation is complete, you will find that developing PHP programs in Windows is still good.

// [File name]: c_check.inc// [For use]: universal detection function set// [Operator]: tianyao// [Last modification date]: 2001/05/11 [cxx]// [Variable definition rules]: 'C _ '= numeric type,' I _ '= integer type, 'n' _' = numeric type, 'l _ '=

Build a simple interaction website (6)9. Simple banner Dynamic ReplacementI wonder if you have found the header advertisement banner on all major sites. Every time we visit these sites, we will see different advertisement icons, or if every time you

Why PHP?2. competitors: ASP, mod_perl, JSPMany technologies are used to implement interactive dynamic WEB pages. CGI, also known as the Common Gateway Interface, is a standard programming Interface between external programs and WEB servers, however,

First, use PHP Reader to read Excle content:Copy codeThe Code is as follows:Require ("http://www.jb51.net/PHPExcel/Classes/PHPExcel.php ");$ File = "D :\\ datas.xlsx ";If (! File_exists ($ file )){Die ("no file found in {$ file }");}$ DatasReader =

In http transmission text, it is required that the header and content must be in the following order: the header must be in the front content, and the header must be in the format of "keyword: value \ n.1. If there is output content before the

Question: Use php4 to accelerate network transmission./***************************************** Title ......: PHP4 HTTP Compression Speeds up the Web** Version ......: 1.10** Author ......: catoc ** Filename...: gzdoc. php** Last changed...: 25/08/2

The following task is clear when the file submission page is generated: Save the submitted file content to the server.The following two methods are used to implement this function:1. Use PHP to save:We first define a file storage function fup ()

Php's require () and include () are not significantly different in terms of performance.The only difference is:When executing include (), the file must be read and evaluated each time;When require () is executed, the file is processed only once (in

1. First, make sure that your PHP version is no lower than 5.1.4. However, we strongly recommend that you use 5.2.3 or later. 2. Make sure that the following modules are enabled for your php. ini: Extension = php_pdo.dllExtension =

Here is a brief introduction to the cache technology: http://www.jb51.net/article/4965.htmPhp page cache mainly uses ob functions, such as ob_start (), ob_end_flush (), ob_get_contents ()The following is the encoding section.1. The initialization

Instance code:Copy codeThe Code is as follows:@ Set_magic_quotes_runtime (0 );$ MQG = get_magic_quotes_gpc ();If (! $ MQG & $ _ POST) $ _ POST = daddslashes ($ _ POST );If (! $ MQG & $ _ GET) $ _ GET = daddslashes ($ _ GET );// Translated character

To solve this problem, you must use onblur. The following code is not a project implementation code, but a simulation of the same function.Copy codeThe Code is as follows: . Aspx. cs:Copy codeThe Code is as follows:Using System;Using System.

The basic logic is the same as that of. net. It is to replace the object class with an array for configuration. The logic is simple, and the paging html is spliced according to the condition judgment.It has the following simple functions: 1:

Note: User-defined functions should be stored in the project application directory/common. php. Here is the key.Template variable function call format: {$ varname | function1 | function2 = arg1, arg2 ,###}Note:{There must be no space between the

If we want to know who called a method? Debug_print_backtraceDebug_print_backtrace () can print out the call process of a page, from where to see clearly.However, this is a PHP5 proprietary function. Fortunately, it has been implemented in pear,Http:

1. Usage of ++ I (using a = ++ I, I = 2 as an example)Add the I value to 1 (that is, I = I + 1) and then assign it to variable a (that is, a = I ),The final a value is 3, and the I value is 3.So a = ++ I is equivalent to I = I + 1, a = I2. I ++

Functions used:Str_split: splits the string into arrays. A similar function explode () Splits strings into arrays. Array_count_values: used to count the number of occurrences of all values in the array.Arsort: sorts arrays in reverse order and