PHP Tutorials

CC attack is the other side using the program or some agents on your site uninterrupted access, resulting in your site can not handle and in the state of the machine, below we summarize some anti-CC attack PHP instance code, you can refer to friends.

PHP saves images in binary form to MySQL database PHP Tutorial to save images in binary form to MySQL Tutorial database tutorial $errmsg = "";if (! @ mysql_connect ("localhost", "Trainee", "abc123")) {$errmsg = "Cannot connect to database";}@

PHP default time zone is Europe and the United States, so with our Chinese time zone a full 8 hours, oh, let me introduce you to the PHP set time zone method, there is a need to know the friends can enter the reference. In php.ini, the default is

This article introduces the differences between the three output functions echo and print and Print_r, let's take a look at the usage speed issue. The difference between 1.echo and print The functions of Echo and print in PHP are basically the same (

/* Ajax PHP Chat Room Instance Code But it must be based on the following terms: Signature You must clearly indicate the name of the author. * Non-commercial use. You may not use the current work for commercial purposes. * Stay consistent. If you

PHP Tutorial convert timestamp to commonly used date format with calculated time difference: The default return type is "minutes" function Trans_time ($timestamp) { if ($timestamp else return date ("Y-m-d h:i:s", $timestamp); } Get IPfunction

PHP GD Library is not able to add watermarks to GIF images, if you want to use PHP to add watermark to GIF images, you have to rely on a imagemagick function of PHP extension, it can help us to complete the function we want oh. PHP Tutorial GD

In PHP upload files or images we will encounter to limit the type of upload files, if we only limit the suffix name is very easy to get around the past, I looked for some of the following names corresponding to the mine table, I hope to help

Plugin Description: The plugin finds the details of the book on the Amazon Web site, based on the 10-Bit ISBN ISBN provided. If the result is found, an array of two elements is returned, where the first element is the title of the book, and the

This is certainly feasible, but too complex, and the following authors share a little trick of how to generate random numbers directly in the Smarty template. Now suppose that you need to generate a random number between 125-324 in the Smarty

In the process of using PHP for development, or early or late, you will need to create many similar variables, and you can store the data as an element in an array. Elements in the array have their own IDs, so they can be easily

PHP Filter English Punctuation mark filter Chinese punctuation code Copy CodeThe code is as follows: function Filter_mark ($text) { if (Trim ($text) = = ") return"; $text =preg_replace ("/[[:p unct:]\s]/", ", $text); $text =urlencode ($text); $text

First of all, the name of the PHP variable naming rules, Baidu next catch a lot: (1) PHP variable names are case-sensitive; (2) The variable name must start with the dollar sign $; (3) The beginning of the variable name can begin with an underscore;

Basic knowledge of PHP learning notes, PHP learning notes PHP learning so far more than a year, notes accumulated a lot of, but also quite miscellaneous, write an article to organize it. Basic PHP Section PHPBasic instructions for outputting text:

A PHP generates 16-bit random number code (two methods), 16-bit random number PHP generates 16-bit random numbers of code, and PHP generates two methods of random numbers. Method 1 $a = Mt_rand (10000000,99999999);$b = Mt_rand (10000000,99999999)

Huai ' An group buy network American League net profit version of the website source, Huaian Group purchase Huai ' An group buy network, mainly using the hao123 version of the Alliance API you can register http://union.meituan.com get API Core uses

PHP implementation scan QR code to access different download addresses based on browser type, PHP browser type Often see the online two-dimensional code login, ask PHP program how to implement the QR code login? Home you need to know that the QR

Linux deployment Symfoy2 permissions settings for App/cache and app/logs directories, symfoy2logs After deploying the Symfony2 under Linux, it is possible to report app/logs or App/cache directories without write permission when accessing the

debugging PHP programs to introduce a variety of methods, debugging PHP program Definition of debugging: Find and reduce the number of defects in the program through a certain method, so that it can work properly.Here are some lessons about how to

PHP Several predefined variables $_server usage Summary, _server Summary This paper summarizes the usage of several predefined variables $_server in PHP. Share to everyone for your reference. Specific as follows: Copy the Code code as follows: Echo