Through PHP, you can upload files to the server. Creating a File Upload form to allow users to upload files from a form is very useful. Take a look at this HTML form for uploading files: <html> <body> <form action= "upload_file.php" method= "post" enctype= "multipart/ Form-da ...
Just install some third-party library files and have a certain degree of geometric knowledge, you can use PHP to create and process images. Creating a dynamic image with PHP is fairly easy. Below, I will detail how to achieve. Before using the basic image creation function, you need to install the GD library file. If you want to use JPEG-related image creation functions, you also need to install jpeg-6b, and you must install t1lib if you want to use Type 1 fonts in your images. In the establishment of the image creation environment, but also need to do some quasi ...
This paper introduces how to build a network database application method by MySQL of the golden combination of Web database, PHP is a server-side embedded hypertext Processing language similar to Microsoft ASP, it is a powerful tool to build dynamic website. While MySQL is a lightweight SQL database server that runs on a variety of platforms, including Windows NT and Linux, and has a GPL version, MySQL is considered the best product for building a database-driven dynamic Web site. PHP, MySQL, and Apache are Linux ...
Write your own PHP image upload and generate thumbnail function Please refer to the function is divided into three parts First, PHP image upload function Second, PHP generate thumbnail function Third, PHP message prompt function PHP image upload function is as follows: function img_upload ( $ form_name, $ size, $ dir, $ file_name, $ width, $ height) {// file domain name, file size limit, file storage path, thumbnail width, thumbnail height ...
The .htaccess file allows us to modify some server settings for a particular directory and its subdirectories. Although this type of configuration is best handled in the section of the server's own configuration file, sometimes we do not have permission to access this configuration file at all, especially when We are on a shared hosting host, and most shared hosting providers only allow us to change server behavior in .htaccess. .htaccess file is a simple text file, note the "." before the file name is very important, we can use your favorite text editor ...
When you do the site selection process is critical, if the wrong program, the site developed after the replacement is not very good; some programs cannot even be converted without the assistance of a program person. I think the main factors in the selection process: The function of the program, the efficiency of the implementation of the program, the development of the team strength and follow-up development efforts. According to not building different sites, we have different options. Today, as China's largest Linux PHP virtual host provider to introduce the mainstream of the PHP program. If you want to build a local portal, Php168 ...
php tutorial Get upload file type Get file suffix This tutorial provides three ways to get upload files and image types, the method is very simple The first two types is defined first, and then in_array judgment, the last step is to use fopen read the first two bytes, determine. * / / Get the picture format, including jpg, png, gif function get_type ($ img_name) / / Get image file type {if (preg_match (& quo ...
How to make PHP at the same time support GIF, PNG, JPEG In RedHat6.2 according to the manual installation of PHP installed and found only deal with GIF images can not handle JPEG images. Later, I know that PHP handles images using the GD library, which initially supported the GIF. However, since the GIF uses a copyright controversial LZW algorithm that causes legal problems, GD libraries no longer support GD-1.6 GIF instead to support better, non-copyright-controversial PNGs. And I now want to support both GIF, PNG and JPE ...
Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...
At the Microsoft MIX09 Conference, Windows Azure released its 3rd version of--match 2009 CTP. Starting with this release, Windows Azure is beginning to support fastcgi. (See Mix09-windows Azure (procures 2009 CTP) in the exciting new features at a glance, by the stream cattle Trojan) support fastcgi, which means that support PHP, Ruby, Python and other current popular "non-Microsoft &quo ...
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