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Image Manipulation

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Making thumbnails with PHP

Hits: 20
*****
5.0

PHP GD Library Introduction

Hits: 19
*****
0.0
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
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
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