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CAPTCHA image not loading

Thread began 5/03/2011 6:34 am by kevin.preston332611 | Last modified 6/13/2013 2:42 pm by Jason Byrnes | 3240 views | 9 replies |

kevin.preston332611

CAPTCHA image not loading

Hi,

Our registration page (users_registration.php) is not showing the security image.

What am I doing wrong?

Cheers,
Kevin,

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Jason ByrnesWebAssist

Most likely your host has not enabled the GD or TrueType libraries in the PHP installation.

going dirextly to the page that should generate the capthcha image:
WAVT_CaptchaSecurityImages.php

gives an internal erver error.

add the following code at line 1 of that file:

php:
<?php
error_reporting
(E_ALL);
ini_set('display_errors','on');
?>



That should display the actual error. My guess is that the actual error is going to say that a function is undefined. this happens when the GD Library is not enabled on the server, the host will need to correct the problem.

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kevin.preston332611

I have enabled the GD Libraries and added the following to the top of the suggested page:

<?php
error_reporting(E_ALL);
ini_set9('display_errors','on');
?>

but it has not made any difference.

Cheers,
Kevin.

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Jason ByrnesWebAssist

Sorry, I had a syntax error in my error reporting code, it should be:

php:
<?php
error_reporting
(E_ALL);
ini_set('display_errors','on');
?>



if that does not show an error on the page, than you will need to contact the host to have them look into the error log to find out what the error is. once we know the error, we can troubleshoot the cause.

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q_carlos322496

captcha not showing up in security assist pages

I am having the same error., when I added the php script as you suggested, I received the following error:

Fatal error: Call to undefined function imagettfbbox() in /home/zbiz/public_html/webassist/captcha/wavt_captchasecurityimages.php on line 138

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Jason ByrnesWebAssist

this means that your host has not enabled the GD or TrueType libraries in the PHP installation.


you will need to contact the host to have them enable those libraries.

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q_carlos322496

captcha not showing up in security assist pages

I've rebuilt my PHP making sure to add the GD library and Freetype...now I get this error:

Warning: Cannot modify header information - headers already sent by (output started at /home/zbiz/public_html/webassist/captcha/wavt_captchasecurityimages.php:7) in /home/zbiz/public_html/webassist/captcha/wavt_captchasecurityimages.php on line 169

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Jason ByrnesWebAssist

I'll need to troubleshoot directly, see the private message section.

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q_carlos322496

captcha troubleshoot

info requested has been added to private message section.

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Jason ByrnesWebAssist

in the webassist/captcha/wavt_captchasecurityimages.php file, you had left blank lines between the error reporting code and the next opening php tag:


<?php
error_reporting(E_ALL);
ini_set('display_errors','on');
?>


<?php
@session_start();
....




the blank lines caused the error.

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