How to Create Thumbnail Images using PHP – WebCheatSheet
This tutorial will describe how to create thumbnail images on the fly using PHP. Furthermore you will learn how to process a whole folder of images and create their thumbnails. Since this requires the GD library, you will need an installation of PHP with at least GD 2.0.1 enabled. Below we will create a PHP script that contains two functions. The first one scans a provided directory for any .JPG i
Secure File Upload with PHP – WebCheatSheet
PHP makes uploading files easy. You can upload any type of file to your Web server. But with ease comes danger and you should be careful when allowing file uploads. In spite of security issues that should be addressed before enabling file uploads, the actual mechanisms to allow this are straight forward. In this tutorial we will consider how to upload files to some directory on your Web server. We
How to Create CAPTCHA Protection using PHP and AJAX – WebCheatSheet
CAPTCHA is a simple test to determine if a user is a computer or a human. It is used to prevent spam abuse on the websites. So if you use CAPTCHA on your web site forms, this can help in stopping some bots and making life harder for other bots in accessing or using your forms. In brief the CAPTCHA protection works by generating a random string, writing it to an image, then storing the string insid
1
リリース、障害情報などのサービスのお知らせ
最新の人気エントリーの配信
処理を実行中です
j次のブックマーク
k前のブックマーク
lあとで読む
eコメント一覧を開く
oページを開く
