PHP Tutorials

1. Verify numbers: Only 1 numeric expressions can be entered ^\d$ description matches an example of a number match 0,1,2,3 mismatch example 2. You can only enter n numeric expressions ^\d{n}$ For example ^\d{8}$ describe matching 8 numbers matching

# PHP Articles '; Echo (Base64_encode ($encrypted)); Echo ''; Decryption $encryptedData = Base64_decode ("2fbww9+8vpid2/foafzq6q=="); $decrypted = Mcrypt_decrypt (mcrypt_rijndael_128, $privateKey, $encryptedData, MCRYPT_MODE_CBC,

This example may not be practical, but it basically outlines the three characteristics of object-oriented: inheritance, encapsulation, polymorphism. The main functions of this example are: Allows users to select different types of graphics;

Recently, in the company's Nginx log analysis, one of the requirements is to extract the daily access to the TOP10 page this month, and its number of visits. To do this, the first thing to do is to clean up effective page access. I use the exclusion

Why does the PHP Curl analog POST request always return 302? Reply content: Why does the PHP Curl analog POST request always return 302? 302 redirectsYou may have access to an address that needs to be logged in and you don't have to ask for

Want to learn PHP, find some information on the internet to look at. Introduces a simple and fast method of server building, based on Wamp (Windows+apatch_mysql/mariadb+perl/php/python) architecture. The corresponding also has lamp, this is based on

Recent projects using the Symfony framework, this framework for the operation of the database in this team using ORM to operate, to be honest, the development efficiency and efficiency of using ORM is not necessarily high, to the name of its entity

Problem Description: Submit data from the page to the background (non-AJAX submissions), when checking the legitimacy of the data, if there is an error, through the Echo out a section of JS code, error prompts. As follows echo ""; The popup

In order to allow the custom error and exception handling mechanism to capture fatal errors, the thinkphp () method adds Trigger_error ($e [' message ') to the fatalerror () approach; // 重新设置错误及异常处理机制

1 Php2/**3* Doodigestauth class file.4 *5* @author Leng Sheng Hong 6* @link http://www.doophp.com/7* @copyright copyright©2009 Leng Sheng Hong8* @license Http://www.doophp.com/license9*/Ten One/** A* Handles HTTP Digest Authentication - * -

1. 安装 wkhtmltopdf centos 7版本 安装方法 yum install wkhtmltopdf 如果版本低于7则需要下载安装 下载地址:http://download.csdn.net/detail/liwei1987821/9337289 2. 下载后 : # mv wkhtmltopdf-amd64 wkhtmltopdf # mv wkhtmltopdf /usr/local/bin 需要再安装xvfb ＃ yum install

Esc_html () (escaped HTML) The esc_html () function is used to escape HTML code so that the HTML code is not escaped. Usage Esc_html ($text); Parameters $text (string) (must) the string to be escaped. Default value: None return value Returns the

The topic of old growth talk, in the interview of the ability of the inevitable assessment, I personally think the problem-solving ability is ranked first, higher than the ability to learn the priority. The ability to solve problems can be

Recursion as an algorithm is widely used in programming language. A procedure or function has a method of directly or indirectly invoking itself in its definition or description, which usually transforms a large and complex problem layer into a

in the Linux server,/directory to establish the upload directory, uploaded files should not be called, only support the site root directory, does not support the server root directory. call a file, can also, with the include "/xxx.php", it can

Introducing the Sublime Editor The official version of the Sublime Text 3 is an upgraded version of the Sublime Text2. Sublime text is a popular text editor software that is somewhat similar to textmate, cross-platform and can run on

Problem: Cannot mount volume over existing file, file exists/var/lib/docker/aufs/mnt/ 0ac71fed1af802a4ecf4a93bd2b3a7b2e6adab2cf93ee28357712afe6d5e1f47/etc/nginx/nginx.conf I use Docker to build PHP development bad environment, encountered the above

The following instructions install PEAR and PECL On Mac OS X under/usr/local/. PECL is bundled with PEAR. As simple as installing PEAR on MAC OS x. PEAR is php 's package Repository and makes it easy-to-download and install PHP tools like /c7

Many times, some text is fetched from a third party, and an escape error occurs. Now summarize some of the escape functions that PHP comes with, as shown in Name of function Interpretation Introduced

Webjxcom Tip: Programmers write code with TDD (test-driven development): Before a function is implemented, a test case is written before the code is written to run it through. In fact, when the hacker SQL injection, is also a TDD process: they will