"non-existent class" error

[NoBullMan]

Hi,
I am trying to setup and use a class that will be used to create security image (to be used in forms).

I have the class defined in a inc.php file, used a wrapper and called the wrapper in the form where the image is to displayed.

file: includes/security-image.inc.php:

class SecurityImage {
var $oImage;
....

function SecurityImage( $iWidth=130, $iHeight=30 , $iNumChars=5 , $iNumLines=3)
{
....
}
// bunch of other functions
}

file: security-image.php

<?php
// start PHP session
session_start();

// include security image class
require('includes/security-image.inc.php');

// get parameters
isset($GET['width']) ? $iWidth = (int)$GET['width'] : $iWidth = 150;
isset($GET['height']) ? $iHeight = (int)$GET['height'] : $iHeight = 30;

// create new image
$oSecurityImage = new SecurityImage($iWidth, $iHeight);
if ($oSecurityImage->Create()) {
// assign corresponding code to session variable

// for checking against user entered value
$SESSION['code'] = $oSecurityImage->GetCode();
error_log("\nImage GIF library is installed.\nsession['code']=".$SESSION['code'],3,"debug.txt");
} else {
echo 'Image GIF library is not installed.';
error_log("\nImage GIF library is not installed.",3,"debug.txt");
}
?>

index.php:

// for fields defined here including the following security image

<img src="security-image.php" width="150" height="30" alt="Security Image" />

The problem is that when I run index.php, nothing shows for security image. Whe I run security-image.php, I see the following error message:

Fatal error: Cannot instantiate non-existent class: securityimage in security-image.php on line 13

where line 13 is:
$oSecurityImage = new SecurityImage($iWidth, $iHeight);

The sample page is in http://www.hosteam.com/demo/securityimage/

Thanks for your help.

[NogDog]

I don't see anything obviously wrong. unless your include file does not have <?php...?> tags around the code; but I'm assuming you would then see the source code displayed on your page if that were the case and just didn't include them in your code snippet here?

[NoBullMan]

Thanks NogDog.
Ashamed to admit that what you said was acyually the case! My include file did not have <?php ?> tags! I fixed that and now it gives me the error that indicates GD GIF library is not installed. In "Create" function of the SecurityImage class I check for the existence of GD library by:

function Create($sFilename = '') {
// check for existence of GD GIF library
if (!function_exists('imagegif')) {
return false;
}

But when I run a test script to test for GD library it seems like it is installed:

<?php
var_dump(gd_info());
?>

it gives me:

array(11) { ["GD Version"]=> string(27) "bundled (2.0.15 compatible)" ["FreeType Support"]=> bool(true) ["FreeType Linkage"]=> string(16) "with TTF library" ["T1Lib Support"]=> bool(false) ["GIF Read Support"]=> bool(true) ["GIF Create Support"]=> bool(false) ["JPG Support"]=> bool(true) ["PNG Support"]=> bool(true) ["WBMP Support"]=> bool(true) ["XBM Support"]=> bool(true) ["JIS-mapped Japanese Font Support"]=> bool(false) }

[ClarkF1]

in a new file (with <?php ?> tags 🙂 ) type in phpinfo(); and then load the page and it'll give you all the info regarding the php installation and whether gd is installed.

[NoBullMan]

Thanks for the info.
In the last post I added the output of gd_info. One of the items listed was:
["GIF Create Support"]=> bool(false)
Does this mean I cannot create GIF images on the fly? Could this be the cause f the problem?

Also, phpinfo() lists:
'--enable-gd-native-ttf' '--with-png-dir=/usr' '--with-ttf=/usr/lib'

Thanks.

[ClarkF1]

I see it says 2.0.15 compatible........

GIF support was re-enabled in 2.0.28

It looks like you need the latest version of the gd library