PHP Tutorials

To realize the ability to remember password automatic login Most of us are using the client's cookies to achieve, we use PHP is no exception, the need for friends can refer to. PHP Production Remember password automatic login to solve the idea, in

To delete a directory we must first delete the files in the directory, it is easy to delete the file in PHP unlink (), delete the empty directory using RmDir. Example 1 The code is as follows Copy Code function Del_dir

PHP writes text file and C language very similar, with the function also consistent, read file with fopen, write file with fwrite, end with Fclose. Note that the new file is opened and written with the "W" identifier, the read file is identified

PHP Tutorial File Download instance Here is mainly the use of PHP fopen function to implement a read file to send to the customer locally, there is a need for friends to refer to. Set_time_limit (24*60*60); if (!isset ($_post[' submit ')

PHP Tutorial File Cache Instance Code Caching is widely used in real-world applications, which reduces access to the server database tutorials and increases the speed of operation. At present, many CMS content management systems frequently use

Zend_auth and Zend_acl for login authentication and permissions control according to user role have a friend to refer to. Zend_auth_adapter_interface provides an interface that we need to implement ourselves. The code is as follows: The

Tree structure is a lot of program members will use, the above on the tree-type structure of the Operation class, a good solution to this problem oh. /php Tutorial Tree-type structure Operation class code/*********************************************

In PHP cache classification database cache, file cache and memory cache, let me give you a detailed introduction of the PHP file cache class implementation code, there is a need to understand the friend can refer to. Page Cache class The

Repeating commits is a common problem in our development, in addition to the use of JS to prevent the form of repeated submissions, but also can use PHP to prevent duplicate submissions Oh. Example 1 The code is as follows Copy Code

This article summarizes the PHP function substr on the basis of the function of the interception of strings, but in the encounter with Chinese characters intercepted half of the solution is garbled, the following describes the support of Chinese and

Access to public accounts has been two months, in addition to gradually improve the personal public account Xiaoqrobot, but also led the team for the company to develop two enterprise applications: one is a common type of public accounts, and the

To implement asynchronous upload image methods There are two commonly used, one is the use of the IFRAME implementation, and the other is using AJAX to achieve the general use of third-party plug-ins. Upload image Form Submit target to a hidden

A. What is memcached memcached is a high-performance distributed memory object caching system for dynamic Web application to mitigate the database tutorial load. It provides a dynamic, database-driven site speed by caching data and objects in

The article from the simplest cookie operation (add, delete, modify) to our cookie queue operation class, there is a need to understand the students can refer to this example. 1. Set Cookies 1. PHP Cookies A cookie is a mechanism for storing data on

PHP itself is not equipped with the real-time upload progress bar function, if you want to have this feature we will generally use Ajax to implement, but PHP provides an APC, he can be configured with PHP to implement the upload progress bar Oh. The

This article introduces a simple introduction to PHP-caching technology Simple application, the need for friends can see Oh, here is the use of Ob_start (); Ob_end_flush (); to the instance. The code is as follows Copy Code

This article simply introduces how to use PHP to use JSON data to achieve cross-domain operation instances, the need for students can refer to the next ha. : A Web site in the background with PHP script to get a JSON-formatted data, to the

Generate pie chart A lot of code can be implemented, today we introduced this example is based on a PHP GD library to generate statistical data of the pie chart effect, the need for students can refer to. The code is as follows Copy

The For loop is limited to numeric indexes, and the for and foreach loops do not require the reset () operation to be performed for the next traversal, and each method requires !--? php tutorial //a $arr =array (' a ' = ' abc ', ' B ' =>123,

Most popular Web services like Twitter, which provides data through open APIs, always know how to parse various delivery formats for API data, including Json,xml, and so on. The code is as follows Copy Code $json _string=