First, we will introduce the usage of this function:
Definition and usage (PhP5)The microtime () function returns the current UNIX Timestamp and the number of microseconds. Format of the returned string: msec Sec
SyntaxMicrotime
Documentation. It also supports the generation of PDF, HTML, and CSV documents. Phpexcel also supports filling data with existing Excel documents as templates to generate the above documents. In addition, its API documentation and demo are quite
In most php development, the lock mechanism is rarely used, but in some cases, locks are required for processing. For example, if the cache data is lost, many backend data requests are generated, the backend may be suspended, and the lock mechanism
PHP. debugging tool. Trace
1. Use xdebug to generate trace records .. One is trace and the other is profile record.
2. xdebug trace file parser or xdebug trace ToolXdebug. trace_format 0 = readable. each column from left to right indicates the
Configure a simple nginx + PhP Development Environment on Mac. For nginx, refer to the previous article. For PHP installation instructions, refer to this article.
Original article:
The GD library is a powerful php library for image operations.
Add a line of reference in PHP. ini: Extension = php_gd2.dll
Restart Apache. Make a test page var_dump (gd_info (). The output data indicates that the GD database is referenced
Statement: This article is reprinted.
Address: http://www.2cto.com/kf/201110/109659.html
In this article, we will discuss the object replication technology of PhP5 in a simple and in-depth manner. In this article, please respect copyright errors or
1. Introduction
In terms of speed, static pages are much faster than dynamic pages, for example, PHP. This is without a doubt, but due to the poor flexibility of static pages, if you do not use a database or other devices to save relevant
The so-called File Cache data is to put some non-frequently changed data in the file for use, instead of getting data through database Io.
1. var_export ($ array, [True])
#. Uchome and discuz systems use a relatively large number of methods, usually
Javascript implementation:
Top. Location. href top-level window addressThis. Location. href address of the current window
PHP implementation:
// Obtain the domain name or host addressEcho $ _ server ['HTTP _ host']. ""; # localhost// Obtain the
The main task of the view layer in MVC mode is to display pages and results. In PHP implementation, it is mainly reflected as a template (using a template, PHP code and HTML code separation can be achieved, so that code and page maintenance is much
1. Batch selection and Deletion
Use this. Form
Name is defined as check []
Use in
$userId = implode(',',$_POST['check']);//alert(print_r($userId));mysql_query("DELETE FROM `user` WHERE `id` IN ($userId)");
2. Use the editor
3. Write special
Xdebug is an open-source PHP program debugger (a debug tool) that can be used to track, debug, and analyze the running status of PHP programs.
Windows7 + iis7 + FastCGI + PhP5 + netbeans + xdebug debug PHP debugging
0. Install IIS in windows,
Current motto:
When no database exists in the past, reading and writing files is one of the only tasks that our programmers can do on an empty night (maybe not necessarily ~~~). Therefore, even if this technology is so simple, fast, and common, we
Output Control
Functions allow you to freely control the output of data in the script. It is very useful, especially when you want to output the file header after the data has been output. The output control function is not used.
Header () or
The previous blog article implements the function of listing all of its blog articles based on the specified csdn user name. However, this is actually not very useful, we must precisely know the user name of the user we are interested in before
It mainly determines whether the client uses a proxy. Pay attention to the judgment order and first determine whether the client uses the proxy http_x_forwarded_for.
Function get_onlineip (){
$ Onlineip = '';If (getenv ('HTTP _ client_ip ') &
COM functions built in PhP4 are quite attractive for developing programs in Win32 environment, but there are still few related technical documents. This article will take three examples to process the MS Office 2000 word,ExcelAdobe distiller
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