PHP

This paper analyzes the related problems of generating random numbers for encryption. PHP 5 does not provide a simple mechanism for generating robust random numbers in cryptography, but PHP 7 solves the problem by introducing several CSPRNG

1, using MYSQLI Extension Library preprocessing technology mysqli stmt add 3 users to the database Copy Code code as follows: MYSQLI Extension Library preprocessing technology mysqli stmt add 3 users to the database1. Create Mysqli

A, imitation Taobao comments purchase records hidden part of the user name, the following code is available. Copy Code code as follows: function Cut_str ($string, $sublen, $start = 0, $code = ' UTF-8 ') { if ($code = = ' UTF-8 ') {

The Get_search_form function is used in WordPress to extract a preset search form or a default search form. Because the official this function does not have Chinese, so I simply write a bit. Describethe Get_search_form function is used in WordPress

Copy Code code as follows: Reading XML with DOM $doc = new DOMDocument (); $doc->load (' Test.xml '); $books = $doc->getelementsbytagname ("book"); foreach ($books as $book) { $authors = $book->getelementsbytagname ("author");

The following functions: Copy Code code as follows: ? /** Get Remote file contents @param $url File HTTP address */ function Fopen_url ($url) { if (function_exists (' file_get_contents ')) { $file _content = @file_get_contents ($

PHP header to define a PHP page for UTF encoding or GBK encoding PHP page for UTF encoding Header ("content-type:text/html; Charset=utf-8 "); PHP page for GBK encoding Header ("content-type:text/html; charset=gb2312 "); PHP page for BIG5

First download the PHP God Shield decryption tool decryptionThen unzip it into a folder and put the file you want to decrypt.Then create a new decode.php code to write: Copy Code code as follows: Require (' decryption.php '); Decryption (

Get_permalink () (Get article or page link)Get_permalink () is used to return a link to an article or page based on a fixed connection. The Get_permalink () function needs to know the ID of the article to get when getting the link, and automatically

The builder model allows the internal representation of a product to be separated from the production process of the product, thus producing products with different internal representations. First, builder pattern structure diagram second, the

Everyone should have this common sense, China's mobile phone number is the number "1", and then use the "0~9" 10 digits of the 11-digit combination, then our validation rules must be based on this idea to write.Based on the above simple idea, we can

comparison operator types As their name implies, two values are allowed to be compared. Comparison operators have the following:1 $a > $b is greater than: Returns True if the $a is strictly greater than $b2 $a 3 $a >= $b greater than or equal to:

Max_execution_time = Max_input_time = 600 I have already described how to solve the php file upload size limit problem under apache+php. Then for the nginx+php site, and apache+php How to solve the php file upload size limit problem is

There are many ways to launch XSS attacks on a Web site, and just using some of the built-in filter functions of PHP is not going to work, even if you will Filter_var,mysql_real_escape_string,htmlentities,htmlspecialchars , strip_tags These

In computer science, regular expressions are used to describe or match a sequence of strings that conform to a certain syntactic rule. In web development, regular expressions are often used to detect, find, and replace certain strings that conform

I don't know if you noticed. No, like Youku, Tencent video and other video links seem like this Copy Code code as follows: Http://v.youku.com/v_show/id_XNjA5MjE5OTM2.html Pay attention to id_xxx that paragraph, is not

Scope Resolution Operator (::) Today to see the Joomla source, just realized. The original operator can also access the class Non-static method ah. It really amazes me that it's not good. The scope resolution operator has been assumed to have access

This article describes the PHP implementation of online reading PDF file method. Share to everyone for your reference. The implementation methods are as follows: In order to better user experience, it is recommended that you use the

In the past, a user through the network is mainly to obtain information. And today's network just more focus on interaction with users, users are no longer just the site of the browser, but also the site content manufacturers. From the previous

See this problem, the first reaction is namespace relationship, but I have never used SimpleXML operation namespace, so opened the manual to check the data, the problem is not resolved, and ultimately through Google to solve the problem. Ask a