php code

tonight, when writing a form validation class for a framework, you need to determine whether a string length is within a specified range, and naturally, think of the strlen function in PHP. . The code is as follows: $str = ' Hello world! ';

This article mainly introduces the PHP command line use method and command-line parameter description, need friends can refer to the followingThe code is as follows: [Root@localhost/]# [root@localhost/]# php-r ' Var_dump (true); # do not need label

  recently looked at Yii,yii has a way to upload pictures with it. Simple code to paste. Divided into two pieces, the first block of view:test.php. The second block is controller:TestController.php The 1.test.php code is as follows: saveas ($name,

PHP to prevent SQL injection implementation code, need friends can refer to the following The type of injection attack may have many different types of attack motives, but at first glance there seems to be more types. This is very real-if a

Type casts in PHP are very similar to those in C: precede the variables to be converted with the target type enclosed in parentheses. The allowed casts are: (int), (integer)-Convert to integral type (bool), (Boolean)-Convert to Boolean (float), (

PHP is often not suitable for resident shell processes, he does not have a dedicated GC routines, and there is no effective memory management path. So if you use PHP as a resident shell, you will often be abort and unhappy by memory exhaustion.

(i) Introduction This article mainly describes the cake architecture, and how to install the configuration using this architecture to get started to develop. (b) requirements (1) to understand the basic PHP code. (2) A apache+mysql+php development

This article mainly introduces the PHP expansion module pecl, pear and Perl differences, the need for friends can refer to the A brief summary: Pear: A written comparison specification, a foreign popular Toolbox code set pecl:php expansion pack,

  301 Steering Definition 301 Turn (or 301 redirect, 301 jump) is one of the status codes in the header information (header) in the HTTP data stream returned by the server when the user or search engine sends a browse request to the Web server.

PHP has a lot of file system-related functions, not only can help you open the file, you can also display the contents of the directory, mobile files and so on. Many people even use PHP to write a web-based file manager. First you need to remind

Teach you how to invoke Oracle stored procedures in PHP: PHP Program Access to the database, you can use stored procedures, some people think that the use of stored procedures to facilitate maintenance However, in this case, I think that using

Small knitting for everyone to share a beautiful PHP code class. Need a friend to come over to the reference! PHP Verification Code Class code Width= $width; $this->height= $height; $this->counts= $counts; $this->distrubcode= $distrubcode;

PHP has a super global variable $globals that is not used by many people. The rational use of this variable can make the work more efficient, this article mainly analyzes the use of the Super global variable and the difference between $globals and

Summary: When we write a program, no matter how cautious, mistakes are always unavoidable. These errors usually confuse the PHP compiler. If developers cannot understand the implications of compiler error messages, these are not only useless, but

Recently, an old friend of mine called me for help. He has worked as a journalist for many years and recently gained the right to publish many of his early columns. He wanted to put his work on the web, but his columns were saved as plain text files,

A script that sends an e-mail message may be one of the most common scripts you can find on a Web site, although it's simple, a mail script can sometimes make programmers very frustrated. There is a function called mail () in PHP that only needs to

PHP + jQuery Ajax File upload instance. Because see some friends ask how to implement the PHP environment of the Web page upload function, oneself these days just used the jquery_upload_multiple upload plug-ins, so here to use for everyone to say.

The Firefox browser can be a favorite browser for Web developers and designers, and an important reason is that it has a wealth of plug-ins to help us complete web development work. Below to share 10 sections in the Web development work is often

  This article mainly introduces the jquery Cross-domain request example (jquery sends Ajax request), needs the friend to be possible to refer to under A common Getjson in jquery to invoke and get a remote JSON string, convert it to a JSON object,

Today, a variety of tools and plug-ins are already as much as the stars, and often the best and most useful tools are charged. To this end, we specialize in sorting out these free quality Photoshop plug-ins, hoping to be helpful to web designers and