PHP

PHP redirection, that is, redirecting a browser to a specified URL, is a common function. This feature also has some detailed requirements, such as the number of seconds to wait for the jump, the use of JavaScript to achieve the jump, and so on. The

The json_encode () built-in function (php> 5.2) in php can be used to transmit and use data in php with other languages. This function converts a value to a json data storage format. 'ya', 'age' => 20); $ jsonencode = json_encode ($ arr); echo $

In the development process, GET and POST are everywhere like souls. The $ _ GET variable is an array with the variable name and value sent by the http get method. The $ _ GET variable is used to collect the values in the form from method = "get.

I have been using session to store data. I have never summarized the usage and working principles of the session. I will sort it out here today. The introduction here is mainly based on the php language. operations in other languages may be

If we develop social game on facebook, we need to call its interface to obtain information about friends on facebook. At this time, we need to access an address provided by facebook. Of course, when you access him, he needs to verify your access to

PHP 5 adds an exception handling module similar to other languages. Exceptions in PHP code can be thrown by throw statements and captured by catch statements. All codes that require exception handling must be placed in the try code block to capture

Zend_Controller is the basis for building a site using the MVC mode. Zend_Controller is a lightweight, modular, and scalable system. It only provides the core necessary parts, allowing developers to freely build their own sites. Some of the code

The principle of automatic loading is that Zend_Loader_Autoloader is used in the Zend_Application instance to call spl_autoload_register (array (_ CLASS __, 'autoload ')); in this way, if the class cannot be found, the autoload method of this object

Q 1 Error message: Warning: Cannot send session cookie - headers already sent Warning: Cannot send session cache limiter - headers already sent This type of problem occurs because the actual html content has been output before you use

The following tips is gradually formed in my actual work. Some of them may be incorrect. Some of them are out of personal habits. Therefore, do not consider the following tips as a standard, the huge bugs may be hidden, and the code may be running

The principle is very simple, because gb2312/gbk is a Chinese byte, the two bytes have a value range, while the Chinese character in UTF-8 is three bytes, and each byte also has a value range. The English language only occupies one byte (excluding

In any language, a function is the most basic component unit. What are the features of php functions? How is function calling implemented? What is the performance of php functions? What are the suggestions for use? This article will analyze the

Mode is very important for object-oriented development. One mode helps us create objects that can implement specific tasks and become class responsibilities. Mode also allows us to modify a class, but we do not need to modify the code related to

We have discussed the design principles of IoC control reversal. Now we use PHP to implement IoC design principles and deepen our understanding of this concept. First, compile the POJO and Fruit interfaces of Fruit. Inherit from the Fruit interface

Explode () function Introduction The explode () function can split strings into arrays. Syntax: explode (separator, string, limit ). Separator, required. Specifies where to split the string. String, required. The string to be split. Limit,

A software has many classes, and classes need to call each other. Once a class is closely coupled with another class, the reusability of the software will be greatly reduced. Therefore, the reusability of a software depends on its Coupling Degree.

PHPCMS can set permissions for some roles. For example, some topics cannot be accessed by some roles. However, the column name is still displayed in the left menu, which is not required for editing. I cannot access it. What is the topic name. After

PHP array deduplication has a built-in function array_unique (), but php's array_unique function is only applicable to one-dimensional arrays and not to multidimensional arrays. The following provides a two-dimensional array array_unique function.

CodeIgniter is suitable for application development on small sites, but its built-in view function may cause troubles for front-end personnel who do not understand PHP. In contrast, the view template parsing of phpcms is much more powerful, so the

When using a regular expression in PHP, it may be different from other languages. One of the differences is that PHP has a regular modifier (qualifier. We will encounter modifiers in PHP Regular Expression learning. So what do we need to know about