PHP

Php tutorial to get the flv video time length code　　 Function bigendian2int ($ byte_word, $ signed = false ){$ Int_value = 0;$ Byte_wordlen = strlen ($ byte_word );For ($ I = 0; $ I {$ Int_value + = ord ($ byte_word {$ I}) x pow (256, ($

Php Static Page code generation this section generates static page program implementation principle is to do a custom template tag, and then replace the tag with the specified content by str_replace, then, fopen generates a static page with the

Memcached is a high-performance distributed memory object Cache System for dynamic Web applications to reduce database load. It caches data and objects in the memory to reduce the number of times the database is read, so as to provide dynamic,

The pagination code of the php article content is operated based on the pagination characters inserted by the editor. We can split the pages with ultra-beautiful offset effects. Article content paging article content Paging The pagination code of

Memcached entry code example   Class mycache { Private $ cache; Function _ construct () { $ This-> cache = new memcache (); // You can replace localhost by memcached server ip addr and port no. $ This-> cache-> connect ('localhost', 10987

The examples are all in the same directory as the 1.php tutorial.   $ Id = $ _ get [id];If ($ id = ""){Echo "parameter error ";Exit;}If ($ id> = 400){Echo "all ends ";Exit;}$ Db = odbc_connect ("dw ","","");$ SQL = "select * from 'Download' where '

Provides an instance classification function. If you need it, you can refer to it. // Page Function $ Page = $ _ get ["page"]; Function page ($ rows, $ page_size ){ Global $ page, $ select_from, $ select_limit, $ pagenav; $ Page_count = ceil (

php tutorial multi-File Upload Component thumbnail mode The data in this selection box will be transmitted to the server together with the image in the form of post. tiger rabbit Jun Ma stone scissors cloth Change window: Height:Width: Php

Static is to define a static object or static variable. After reading the related examples in this article, we will be able to understand the features of static variables or class methods. 1. Create an object $ object = new Class () and then use "->"

This article introduces how to implement any plan in windows and php. If you need it, refer to the following. 1. run PHP regularly!1. Edit the following code and save it as test. php: The Code is as follows: Copy code $ Fp = @

This article briefly introduces how to ZIP archive files in PHP and download the packaged files. For details about how to package php files, refer to section 5. Analyze the following technical points: Package files in zip FormatObject downloadingKey

Adding watermarks to images is a common and useful function in php programs. Next I will introduce the png transparent background watermark program code in php. The Code is as follows: Copy code // Original Image$ Dst =

This linux system parameter detection function calculates the cpu usage, memory usage, running time, and update time of your current machine. LINUX system parameter detection includes cpu, time, memory, etc. Function sys_linux (){// CPUIf (false = ($

Three php counter codes are added to the article. All three of them share the same common point, that is, they do not need a database, but use text files to view and count web pages on instances. Three php tutorial counter codes are added to the

Basic session operationsAdd and modify the session Item session. add ("test", datetime. now );Session ["test"] = datetime. now; the method for adding and modifying a session is the same. When the specified session ID does not exist, the system will

There are two examples in this article to check the upload file type and the size of the uploaded image. I originally wanted to separate the two files, but I thought it would be better to put them together. The Code is as follows: Copy

This article introduces php stream download, which supports multipart and resumable download. If you need it, you can check it. The Code is as follows: Copy code  $ DowmFile = dirname (_ FILE _). '/Nokia-Always Here.mp3'; //

There are two commonly used methods for asynchronous Image Upload. One is to use iframe and the other is to use ajax to implement third-party plug-ins. Upload the image form and submit the target to a hidden iframe, The Code is as follows:

The browser's cache policy temporarily caches browsed files on a local disk. When you repeatedly request a page, you can call the cache to inform the client that the page has not changed. So how do I know whether the client has a page cache? At the

Cache classification database cache, File Cache, and memory cache in php. I will introduce the php File Cache implementation code in detail to you. If you have any questions, please refer. Page Cache The Code is as follows: Copy code