PHP Tutorials

Session pinning The main concern about sessions is the confidentiality of session identities. If it is confidential, there is no risk of session hijacking. With a legitimate session ID, an attacker can be very successful in posing as one of your

Extending YII in development is a common behavior. For example, when you write a new controller, you extend Yii by inheriting the Ccontroller class; When you write a new component, you are inheriting CWidget Or a component class that already exists.

Linux inotif mechanism First, preface: As we all know, Linux desktop system and MAC or Windows have a lot of unsatisfactory place, in order to improve this situation, the open source community proposed that the user state needs the kernel to

We've learned how to use Active Record (AR) to get data from a single data table. In this section, we explain how to use AR to connect multiple related data tables and retrieve the data set after the association (join). In order to use relational AR,

Do not know if you have encountered such a scenario, when you need to set an environment variable, or run a program to set up your shell or desktop environment, but do not know where is the most convenient location to set. There are a few common

The example in this paper describes the simple implementation of PHP to generate a TXT file to the specified directory method. Share to everyone for your reference, as follows: Easy way and very useful File_put_contents ("C:/zll.txt", "content")

The following text: 1. First request page upload.html administration-upload new files upload new News files upload this File: 2.php processing the data requested by the client upload.php Uploading... uploading fi

In the thinkphp framework we often use the judgment of the state value: But this writing can cause a syntax error. Test 2. Correct wording: Because in the thinkphp can not use "." Grammar Testing The f tag contains the parsing

BOOL In_array (mixed $needle, array $haystack [, BOOL $strict]) return value is straight or false Var_dump (In_array (0, Array (' s ')); The result of this sentence is bool (true). Because In_array will compare 0 and ' s ', 0 is the number

This article describes the PHP graphics jpgraph operation. Share to everyone for your reference, as follows: setscale ("Textlin");//Set the margins of the graphic $graph->img-> SetMargin (40,180,40,40);//Set the background image of the graphic,

The examples in this article describe how PHP passes parameter usage by reference. Share to everyone for your reference, as follows: Let's look at an example in the manual: Output: This is a string, and something extra. If you do not have

This article mainly introduces the PHP implementation of XML and arrays of the mutual transformation function, combined with the example of PHP to implement XML-to-array and array-to-XML related operations skills, the need for friends can refer to

PHP Exports the CSV abstract class, calculates the total batches according to the total number of records and the number of records per batch, and loops the export. Avoid running out of memory problems. ExportCSV.class.php 0) {$this->pagesize = $

Error Reporting There is no mistake, PHP's error reporting feature will assist you in identifying and locating these errors. These detailed descriptions that can be provided by PHP may also be seen by malicious attackers, which is not good. It is

YII provides a flexible and extensible logging capability. Logged logs can be categorized by log level and information classification. By using the level and classification filters, the selected information can be further routed to different

This article is an article about the Laravel split route file (routes.php), the best way of tutorial articles, the content of the very detailed, learning Laravel small partners can refer to learning. Objective Laravel routing is very powerful, the

This paper briefly introduces the concept and problem-solving steps of dynamic programming, but the application scope of dynamic programming in learning is too flexible, here is to pick some common topics to practice a bit more. 1. The longest

When a master browsing your site, your website error messages will give hackers to attack your site information. For example, for the empty operation, the empty controller, you will be exposed to hackers in the background of your website framework,

Objective I'm sure everyone knows bash. Time is a useful command that can be timed for a script or a program's execution, which is usually handy when you are roughly comparing the execution efficiency of a program. However, you will find that the

First, install the configuration nginx under Linux First installation Nginx, the problem in the middle of a step-by-step solution. Use the tool securecrt, connect and log in to the server. 1.1 RZ command, will pop up the session box, select the