PHP

Small example of php paging code and paging principle If ($ _ get ['count']) { $ Count = $ _ get ['count']; } Else { $ Count = select count (*) from tablename where ..... } If only the first

How to handle automatic expiration of codeigniter database cache This article introduces how to handle the automatic expiration of the codeigniter database cache, modifies the db Class, sets an expiration time when the cache is enabled, and

Php regular expression usage How to use regular expressions in php programming? Php regular expression usage. For more information, see. Content of this section:Php regular expressionRegular expressions are powerful tools for

The phpmkdir () function creates folders and permission settings. Mkdir ('./aa/', 0777 ); Analysis and test results: 1. the directory permission specified by the mkdir function must be less than or equal to the

Php uses smarty to generate static page code in php articles This article describes how to use the smarty template engine to generate static pages in php and how to implement the code in php for pagination. For more information, see.

Php: how to name the path for saving the php file with a timestamp when uploading images Image import 2. php code (file upload, name the file with a timestamp, and save the file path in the

How php defends against SQL injection attacks As an attacker, the attacker starts from Querying SQL statements that speculate to verify the user name and password. By viewing the source file, you can

How to Read excel files using phpexcel $ Reader = PHPExcel_IOFactory: createReader ('excel5 '); // Read excel files. this method is used to read excel files from versions earlier than excel2007. for versions later than 2007,

301 webpage redirection code Daquan Header ("HTTP/1.1 301 Moved Permanently "); Header ("Location: http://www.new-url.com "); ?> 3. ASP Redirect Response. Status = "301

How to enable and clear the cache using codeigniter This article describes how to enable and clear the cache of codeigniter. depending on the webpage cache, the webpage can load almost static webpages because the results output by the

Phpcurl simulates logon and obtains webpage content Class CURL { Var $ cookie_file; // Set the Cookie file storage path and file name Var $ loginurl; // address of the logon location Var $

Thinkphp one-click clearing cache instance tutorial This article introduces the method of clearing the cache with a key in thinkphp to implement the cache cleanup function of thinkphp, which can effectively reduce the pressure on the

Date and time functions in PHP This article describes the specific usage of date and time functions in php. For more information, see. This section describes the usage of date, getdate, mktime, checkdate, and other date and time

Page method in ThinkPHPCURD $ Article = M ('article '); $ Article-> limit ('0, 10')-> select (); // query the first page of data $ Article-> limit ('10, 10')-> select (); // query the second page of data

EAcceleratorAPI development in PHP Eaccelerator_lock ("count "); Eaccelerator_put ("count", eaccelerator_get ("count") + 1 )); ?> Eaccelerator_unlock ($ key) releases a lock based on $

Notes for uploading files in php in linux Chmod-R 777 html Modify a directory to Grant write-read-write permission to any user. Chmod a + rwx html 2. set the root directory of the uploaded file

What are PHP sorting functions? // Php sorting function instance Function array_sort ($ arr, $ keys, $ type = 'asc ') { Echo 'start sorting ...'.''; $ Keysvalue = $ new_array = array ();

Php function system | exec | passthru usage details System ("/usr/local/bin/webalizer "); Exec () prototype: string exec (string command [, string array [, int return_var]) The exec () function is similar to system ().

Php functions for converting Chinese characters into pinyin Function Pinyin ($ _ String, $ _ Code = 'gb2312 ') { $ _ DataKey = "a | ai | an | ang | ao | ba | bai | ban | bang | bao | bei | ben | beng | bi |

Php automatically recognizes text encoding and converts /** * @ String the text to be converted * @ Encoding: Target encoding **/ Function detect_encoding ($ string, $ encoding = 'gbk '){ $