PHP Tutorials

[Guide] in the PHP language, the header () function is useful, especially when using Ajax. Here are some detailed explanations of the header. In the PHP language, the header () function is useful, especially when using Ajax. Here are some detailed

The following small series for everyone to bring a brief talk about the variables in PHP data type judgment function. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little

This article mainly for you in detail the PHP redis implementation of 200w users of the instant push, with a certain reference value, interested in small partners can refer to How to achieve instant push for 200w users, this push can be understood

Today, the idea of this experiment is to achieve a page load without refreshing effect. The specific idea is to use PHP to develop the background, prepare the data for the foreground, then use AJAX as the data mover, pull the data from the server

This article mainly introduces the CodeIgniter framework of the basic additions and deletions to the operation, combined with specific examples to analyze the CodeIgniter framework for the database to create, increase the deletion of the operation

Simple Blog system, publish, edit, delete, database exercises ~ temporarily do not consider security, first look at GIF motion diagram: Look at the database: OK, look at the code: conn.php: index.php: indexadd blog "; echo

In the normal development of Web sites, we have to deal with URLs, we can access specific addresses through a URL, we can pass the URL we need to test parameters, so how to get the parameters in the URL becomes important. This blog post will be how

generating public and private keys using the OpenSSL command Generate private Key # OpenSSL genrsa-out Rsa_private_key.pem 1024//generate public Key # OpenSSL rsa-in rsa_private_key.pem-pubout-out rsa_public_ Key.pem Here is the sample code: ';/

REMOTE_ADDR is the IP of your client when it "shakes hands" with your server. If you use anonymous proxy, REMOTE_ADDR displays the IP of the proxy server. HTTP_CLIENT_IP is the HTTP header sent by the proxy server. If "Super Anonymous proxy", the

This article mainly uses the callback function to handle the array, 2 kinds of ways: function call, function structure at a glance Anonymous functions, instant use, high security The following shows the use of several functions: primarily to

The steps to develop a PHP extension in a Linux environment are as follows: 1, download PHP source code, unzip, my decompression directory is:/root/lamp/php-5.5.37 2. CD to/root/lamp/php-5.5.37/ext directory, create file Test_extension.def file int

PHP Development (-callback-readdir-is_dir-foreach-glob-phpstorm) "; Call_user_func_array ("Fun", Array (123,321)); Printed results: 123, 321, 3 Call_user_func_array ("Fun", Array (123,321,444,555)); Printed results: 123, 321, 444 function fun ($

A detailed introduction to PHP file Operations (II.) Create directory mkdir ("./aa");//delete directory directory must be empty to delete rmdir ("./img");//move directory file rename ("./img", "./ajax/img");//Create File Touch

This article mainly introduces the method of using PHP to implement the function of website verification code. Have a good reference value, follow the small series together to see it Verification code is commonly used in the site of a security

"String in PHP, encoding, UTF-8" in the article describes some of the basic knowledge of the column, more boring, now point to a useful--php string processing best practices, this article is "PHP, string, code, UTF-8" related knowledge of the second

The example in this article describes the PHP HTTP request encapsulation. Share to everyone for your reference, as follows: /*** send HTTP request method, currently only support curl Send request * @param string $url request url* @param array

In Ubuntu, the default setting for PHP is not to display the error message, if the program error will show "Unable to process this request error", which is very inconvenient in the development environment. Actually, we just need to edit the Apache

Editor's note: The first idea is to use the way the array, or the use of C language method to use the macro, but found on the Internet, PHP implementation of different methods, the article reproduced over First, we need to write a PHP function to

The PHP manual provides ready-made functions: getallheaders (PHP 4, PHP 5) Getallheaders-fetch all HTTP Request headers Description Array getallheaders (void) Fetches all HTTP headers from the current request. This function is a alias for

Discuz7.2 version of faq.php SQL injection Vulnerability analysis, discuz7.2faq.php Inject code instance: http://www.php.cn?action=grouppermission&gids[99]=%27&gids[100][0]=) and (select 1 from (SELECT COUNT (*), Concat ((Select (select Concat