PHP Tutorials

This article mainly introduces the usage of Ini_set and ini_get in PHP, and describes the specific function and application of Ini_set and Ini_get functions in the instance form, which has certain reference value, and the friends who need can refer

Overloading is an implementation of the polymorphism of a class. function overloading means that an identifier is used as multiple function names, and the function can be distinguished by the number of arguments or parameter types of the function,

This article mainly describes the PHP use of cookies to remember the login status, this article with the most primitive way to explain how to realize the login status, give 3 steps and specific implementation code, the need for friends can refer to

For weakly typed languages, PHP function overloading is not as normal as OOP. Because a function overload must meet two conditions: 1, the number of function parameters is different. 2. The type of the parameter is different. These two points, PHP

PHP Phar is similar to the packaged file jar in Java, which compresses a class of files in a folder. The following article mainly introduce to you about PHP Phar Package use of relevant data, the article is described or relatively detailed, the need

The Clearstatcache () function clears the file state cache. PHP caches the return information of some functions in order to provide higher performance. But sometimes, for example, if you check the same file multiple times in a script and the file

The Opendir () function opens a directory handle. Success returns the directory handle resource. The failure returns FALSE. If the path is not a legal directory, or if the directory cannot be opened due to a license restriction or file system error,

The ChDir () function changes the current directory. Grammar ChDir (directory); Parameter directory is required. Specifies the new current directory. The sample code for the ChDir () function is as follows: The ChDir () function changes the

This article mainly introduces the use of static methods of PHP several considerations, in the form of an example of Php static method call tips and error-prone analysis, the need for friends can refer to the next The examples in this article

The Trigger_error () function creates a user-level error message. The Trigger_error () function can be associated with a built-in error handler, or you can use a user-defined function as a new error handler (Set_error_handler ()). Grammar

In fact, PHP contains the files of these four functions, many people still do not fully understand, although the use of more time, but the specific areas of how to use, with that one, I will caught dead. The role of Include_once and require_once

This article mainly introduces PHP to obtain the client computer screen parameters, to obtain the width, height, resolution and other parameters, mainly using the JS method to obtain the parameters of the client computer screen and then use the Ajax

The PHP compact function is used to create an array, the function creates an array that is special, the compact function parameter takes one or more variables, then the name of the variable as the index of the created array, the value of the

This article mainly introduces to you about PHP more secure password encryption mechanism Bcrypt related information, the article introduced in very detailed, for everyone has a certain reference learning value, the need for friends below to learn

PHP code by the PHP interpreter can only run on the server on the Web side, here we can simply parse the PHP program running flow, the need for friends to refer to the next Always wanted to understand the technology of web programming. PHP is an

This article is mainly for everyone to introduce the PHP implementation of user registration password crypt encryption, with a certain reference value, interested in small partners can refer to This example for everyone to share the PHP user

Sometimes we need to get the file extension, classification file, and so on, the following is the PHP function instance code. The code is as follows:

A few days ago found a problem date ("Y-m-d g:i T", Time ()) and the local time 8 hours old difference, but my system is clearly the Chinese standard (gmt+8), finally found the problem. Originally from php5.1.0, PHP.ini added date.timezone this

PHP in the registration, login or URL transfer parameters will be used to encrypt the character variables, below we will briefly introduce: PHP's own encryption function The irreversible cryptographic functions are: MD5 (), Crypt ()MD5 () is used

This article introduces a simple example of PHP reading SQLite database, PHP programming to operate the example of SQLite, the need for friends can refer to the following About SQLite SQLite is a lightweight database, is to comply with acid-related