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Speed Limiting File Downloads
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Speed Limiting File Downloads
http://www.phpnerds.com/article/speed-limiting-file-downloads
It is common to have downloads on your website, and sometimes you want to moderate your downloads by speed, or possibly hide the directory that the download is coming from, protecting all your other files. This is very possible and very simple to solve in PHP. All you need is the header() function and some files function
PHP > Tips and Tutorials > File Manipulation
Oct 15, 2006
Peter McNulty
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Other links at PHP > Tips and Tutorials > File Manipulation
As Web pages have moved from static documents into dynamic database-driven applications, users are looking for the ability to upload data in the form of files. In today's article, we'll be looking at how files can be uploaded and then processed in PHP.
Let's assume that your Web site is devoted to a community of graphic artists from all backgrounds. As your site grew, you started devoting a section to displaying your members' works.
Until now, a member would send his or her contribution to an e-mail address listed on the Web site, and from there the image would be manually processed and added. With PHP 4, not only can your members upload images from the Web site directly, but also the majority of the processing that was done manually can now be automated. Here's how browser-based file uploading works:
Let's assume that your Web site is devoted to a community of graphic artists from all backgrounds. As your site grew, you started devoting a section to displaying your members' works.
Until now, a member would send his or her contribution to an e-mail address listed on the Web site, and from there the image would be manually processed and added. With PHP 4, not only can your members upload images from the Web site directly, but also the majority of the processing that was done manually can now be automated. Here's how browser-based file uploading works:
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Before you can use PHP to manage your uploads, you must first build an HTML form that lets users select a file to upload. See our HTML Form lesson for a more in-depth look at forms.
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Well, tired of FTP'n everything up to your site? Or even want to allow other members to upload files but you dont' want to give them FTP access? Well lets create a file upload system that will take care of all your uploading woes. THis also employs some minimal security checks.
As of PHP 4.1 uploaded files can be accessed via the $_FILES superglobal, but in earlier versions you can use $HTTP_POST_FILES array and the last option but not recommended will be to use the $upload that corresoponds to the name of the file input. Note: You can only use the last method if register_globals is enabled.
As of PHP 4.1 uploaded files can be accessed via the $_FILES superglobal, but in earlier versions you can use $HTTP_POST_FILES array and the last option but not recommended will be to use the $upload that corresoponds to the name of the file input. Note: You can only use the last method if register_globals is enabled.
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Learn how to create a PHP application to display directory content and navigate between them.
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