PHP Tutorials

This article mainly describes the PHP fatal error handling: PHP Fatal Error:cannot redeclare class or function, the need for friends can refer to the following 1. Error type: PHP fatal error Error type:php Fatal errorFatal Error:cannot Redeclare (a)

Mt_rand () Use the Mersennetwister algorithm to return random integers, this everyone knows, but the following this article mainly introduces to you about PHP Mt_rand () random number of security related data, the article introduced in very detailed,

Auto-increment will generate a unique number when the new record is inserted into the table, which is explained in this article. AUTO INCREMENT Field We typically want to automatically create a value for the primary key field each time a new record

This article mainly gives you a detailed analysis of the use of PHP to create a Web page to obtain the user's basic information process, as well as steps to explain. A lot of users in the development of the page, need to get basic information of

This article is mainly to share with you how to add variables to the PHP string, when defining a string, either single quotation marks or double quotation marks are possible. My personal habit is to use double quotes. In the output string, if the

This article mainly introduces the method of database migration of Laravel, small series think very good, now share to everyone, also give you a reference. Follow the small series together to see it, hope to help everyone. Build

instance Add a backslash before the character "W": Definition and usage The Addcslashes () function returns a string that adds a backslash before the specified character. Note: the Addcslashes () function is case-sensitive. Note: Be careful when

Brother even share PHP master dry: Can't not look at the 50 details 1, using single quotes instead of double quotation marks to contain the string, this will be faster. 　　Because PHP will search for variables in a string surrounded by double quotes,

This section describes a special looping statement in PHP, the "foreach" loop statement. What is a foreach loop for? In PHP, the Foreach Loop statement, which is designed to iterate through an array, can be viewed in this article

Changes in the ranking of PHP languages According to the "Tiobe programming language Rankings" (although the list is limited, but still a good reference), 2010 PHP was the highest in the World programming language ranked third. It can be seen that

Today we are going to explain in PHP operator " Ternary operators”。 Introduction to Ternary operators The ternary operator is often used in programming, which is also called the "Trinocular operator", as his name requires three operands, and his

While Yii DAO can handle almost any database-related task, it is likely that we will spend 90% of our time writing SQL statements that perform common CRUD (create, read, update, and delete) operations. And it becomes difficult to maintain when we

Prior to using PHP based on xdebug performance analysis, for the local development environment is sufficient, but if it is online environment, xdebug consumption, configuration is not flexible, so the online environment is recommended to use the

Most systems are currently using a static password for authentication login, but because the static password is easy to be stolen, its security can not meet the security requirements. Dynamic password is used once a secret, use the password to

Define the encoding header (' Content-type:text/html;charset=utf-8 ');Atomheader (' Content-type:application/atom+xml ');Cssheader (' Content-type:text/css ');Javascriptheader (' Content-type:text/javascript ');JPEG Imageheader (' Content-type:image/

The FTP server (file Transfer Protocol server) is a computer that provides files storage and access services on the Internet, and they provide services in accordance with the FTP protocol. The FTP is the file Transfer Protocol (Files Transfer

When the model is loaded in CI, the error 500 is reported. HTTP Error (Internal server error): The server encountered an unexpected condition while trying to execute the request. Various errors were detected, including nginx configuration files,

This paper describes the simple implementation of SQL anti-injection method in PHP. Share to everyone for your reference, as follows: There is not much filtering here, mainly for PHP and MySQL combination. General anti-injection, as long as the use

Data type Integral typeFloating point TypeBoolean typeStringArrayObject Conversion between types(int) $val; Convert to integral type (float) $val; Convert to floating point type (string) $val; Convert to String (bool) $val; Convert to Boolean type (

In fact, the debugging capabilities of Zend Studio (which I referred to as "Zde" later) are divided into internal debugging and remote debugging. Internal debugging is the initial debugging of the code with ZDE built-in PHP (4, 52 versions), and we