Re: [PHP] Is the GD module standard?
- From: robert@xxxxxxxxxxxxx (Robert Cummings)
- Date: Mon, 04 Jun 2007 00:02:39 -0400
On Mon, 2007-06-04 at 12:47 +0900, Dave M G wrote:
PHP General,
I have been using the imagepng() function in my local testing
environment for a while now to make CAPTCHA images.
In my testing environment, I hadn't done any customization to my PHP set
up. I went with the default set of installation options that Ubuntu
offers for a LAMP server.
Recently, I uploaded my site to a web hosting server, and the CAPTCHA
would not display.
At first, I didn't understand that it was a module issue, because I
thought the imagepng() function was standard in PHP.
However, by using the phpinfo() command on my hosting service, I
realized they don't have the GD module installed.
So my assumption that imagepng() will be available on any standard
installation of PHP is wrong.
However, I'm surprised that it wouldn't be as common as, say, the MySQL
module.
Is it that my Ubuntu installation comes with an unusual amount of bells
and whistles? Is it that my web hosting server is lacking in what can be
expected for standard PHP features?
I want to write code that most people can expect to run on their hosting
services without having to reconfigure their PHP installation. So, can I
expect that most servers would have the GD module? If not, what do
people usually do to manipulate images?
Every host I've ever used has had GD installed. If they didn't offer GD,
I'd switch. I think it's a safe bet to assume most realistic hosts have
GD.
Cheers,
Rob.
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