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Creating images on the fly
A simple 2 file, 2-part
Creating an image with PHP
Learn how to use the GD
can be a very useful skill.
tutorial about how to upload
& GD library on the Fly
library in PHP
In this tutorial we will
a picture of .gif or .jpg
, and add fonts to decorate
show you how to get quite
format and how to store that
it .Could be used as hit
interesting and useful
photo in a folder and also
counter or just to show your
effects using image handling
make a thumbnail of that
database stats on main page .
functions. We will review
picture.
two practical tasks:
creating security images
(captcha) on the fly and
building a bar chart using
numerical values retrieved
from MySQL database.
Date: Nov, 20 2006 Date: Oct, 27 2006 Date: Sep, 08 2005 Date: Aug, 28 2003 |
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This code allows you to
Worried about bots? Then
This short tutorial will show
PHP has the ability to upload
create a resized version of
create CAPTCHA images to
you how to make a basic
files such as documents or
an image by altering the IMG
prevent bots from taking
image gallery using PHP. The
images using the
tag dynamically. One common
advantage of your site.
complete code presented.
multipart/form-data
application would be to
You may be wondering what a
protocol, but how do you use
automatically create image
CAPTCHA image is. Here's a
this and how do you resize
thumbnails without needing
brief synopsis from
the images after they are
to have two copies of the
Wikipedia:
A captcha (an
uploaded to create
image on your server.
acronym for "completely
thumbnails or image
automated public Turing test
repository, etc. This
to tell computers and humans
tutorial along with full
apart") is a type of
source code shows you how.
challenge-response test used
in computing to determine
whether or not the user is
human. Captchas are used
to prevent bots from using
various types of computing
services. Applications
include preventing bots from
taking part in online polls,
registering for free email
accounts (which may then be
used to send spam), and,
more recently, preventing
bot-generated spam by
requiring that the
(unrecognized) sender pass a
captcha test before the
email message is delivered.
Date: Sep, 25 2006 Date: Jan, 12 2006 Date: Jan, 04 2002 Date: Jun, 12 2000 |