PHP

What is header information?Here is only a simple explanation, detailed look at the HTTP protocol.In the HTTP protocol, the server-side answer (response) consists of two parts: header information (headers) and body content, where the header

Recently a lot of friends are asking me if I can hide my one-word trojan in HTML or picture, in fact, a word trojan inserted into the PHP file has been very covert, if you just want to put into the HTML file or picture, and then read down the test

1. Judge Email: Domain names are composed of specific character sets, English letters, numbers, and "-" (that is, hyphens or minus signs) of each country's text, but neither the beginning nor the end can contain "-", "-" and "-" cannot appear

To write a LUA implementation of PHP's Strpos () function, find a string at the first occurrence of the specified string position, in fact, Lua also provides us with such a function to use String.find () can be obtained, we still write a simple

The example of this article is about how to display the PHP image in base64. Share to everyone for your reference, specific as follows: Here the implementation of the picture as a string saved to the Web page, so that no longer need to load the

Working with form data in PHP is simpler than other Web programming languages-if you use the language for a while, you'll find it an indisputable fact. The simplicity of this operation makes it easy to handle more complex form events, including the

1. What is Phpdocumentor? Phpdocumentor is a tool written in PHP, and for PHP programs with canonical annotations, it can quickly generate API documents with cross-references, indexes, and so on. The old version is Phpdoc, starting with 1.3.0,

This paper analyzes the difference between PHP global variable and super global variable. Share to everyone for your reference, specific as follows: A global variable is a variable defined outside the function. cannot be used directly in a function.

An exception (Exception) is used to change the normal flow of a script when a specified error occurs. What is an exception? PHP 5 provides a new object-oriented error-handling approach. Exception handling is used to change the normal flow of a

PHP filters are used to validate and filter data from unsecured sources, such as user input. What is a PHP filter? PHP filters are used to validate and filter data from unsecured sources. Validating and filtering user input or custom data is an

Recently the server appears Nginx 502 Bad Gateway, if the computer next to good, if the middle of the night or out, how to do?It doesn't matter, write a script to detect service status, find an exception, and restart automatically.Automatic Restart

This example describes the PHP implementation of a class that automatically adjusts the font size in a qualified area. Share to everyone for your reference. Specifically as follows: The PHP class here imagefittext.class.php the ability to

This article is an example of how PHP uses Fgetcsv to read CSV files with garbled solutions. Share to everyone for your reference. The specific analysis is as follows: In general, in PHP encountered garbled most of the coding problem, here we case

1. Echo Function: The output function, which is a command, cannot return a value. Echo can be followed by many parameters, separated by semicolons, such as:echo $myvar 1;Echo 1,2, $myvar, "bold"; 2. Print function: is a function that can return a

This article mainly introduces the method of capturing Fatal error errors in PHP, using register_shutdown_function to catch Fatal error errors, the need for friends can refer to the Fatal error is generally not required to capture, But in a complex

PHP Records visitors ' information and generates pictures, as shown below. The code is as follows, this article only wrote some elementary things, the need of friends can be modified according to their own situation. Articles that you may be

This two days to get a PHP call SVN synchronous Update multiple server update program, in order to avoid a commit will not be blocked card half a day to think of a way to only request the trigger, and do not need to wait for the program update to

First, file permissions In short, everything is to ensure the security of the directory, the security of the directory is more important than to ensure the security of the file. Second, write the document File_put_contents ($file, $data); //If

What is a session? Session direct translation into Chinese is more difficult, generally translated into time domain. In computer terminology, session refers to the time interval between a terminal user communicating with an interactive system,

1. echoDefinition and usageThe PHP echo () function outputs one or more strings.Echo "" This method can also be used without brackets.SyntaxEcho (strings)Parameter descriptionStrings is required. One or more strings to be sent to the output.Tips and