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Captcha image verification
posted on 2006-06-24 00:47:34| Comments |
| Omar posted on 2007-04-23 17:02:48 |
| Hello I like image verification; I use it for downloading my files in my website. But there is a problem, when I open download page over one window, one page (last one) will accept the code but the rest won't because $_SESSION["vercode"] changes everytime I load download page. Also this problem exists in this current page; try to open it in many windows. How can I solve it? Thanks --------------------- Veselin: you can add an if() check if the verification code has already been generated so it does not generate it twice |
| John Robinson posted on 2007-04-21 17:00:29 |
| Hello, I would like to change the background colour to an image file, is this possible ? ------------------- Veselin: yes, you can do that by using imagecreatefromjpeg() http://uk2.php.net/manual/en/function.imagecreatefromjpeg.php |
| jerry jennings posted on 2007-04-09 04:33:32 |
| What is your fee to help us get the captcha script runing ? ----------------------- Veselin Stoilov: usually $20 but it depends on your form |
| Jerry Jennings posted on 2007-04-08 18:54:28 |
| We posted the captcha script on URL http://*******.com/ordernew.htm We added captcha.php and submit.php to the root directory The black random numbers do not appear. We only get a box with an X in it. Can you help ??? ----------------------- Veselin: your PHP seems to not support the GD image library. |
| Ajay Bhargav posted on 2007-04-07 00:53:06 |
| Thank you so much! great code :) helped a lot.. its there on almost all the form pages :) |
| Jerry Widawsky posted on 2007-04-06 20:35:38 |
| We entered the for in creativemarketing.com/indextest.html and captcha.php and submit.php the number generator doesn't seem to work Can you please help -------------------- Veselin: this is wrong creativemarketing.com/captcha.php you need to save as php file and have only the php code in there. |
| k.v.siva kishore posted on 2007-04-02 13:33:53 |
| hai, I tried your captcha, but I can't make it worked...It is not displaying any image in html page.Porbably I do not understand correctly how to do. Thanks & Regards, Siva kishore. ------------------------------- Veselin: can you send me your website URL |
| John Robinson posted on 2007-04-02 11:14:19 |
| Hello, and thanks for such a great script, I'm new to PHP and would like to change the background color to a background image, I want to use a cross hatch image like some other sites use with captcha forms - Thanks again |
| kourkch mhand posted on 2007-03-13 17:14:18 |
| i m trying to use your script , it work no problem but i m interested by your javascript code that control this form ( that we use to send you a mail) to check if all mandatory field are filled . thank you . ----------------------- Veselin: you can view the source code of the contact page and see how it works :) |
| Raj posted on 2007-02-08 01:35:22 |
| Thank you for the script ! The problem I am facing is that in IE after I click 'Back' button, upon getting the 'incorrect code..' message, the verification image code is refreshed, but with Firefox this does not happen. Can you please help ? ------------------------ Veselin: why do you click the Back button? The message for incorrect code in my example is printed on the same page where the form is so the image should be refreshed. Also you can try this <img src="captcha.php?<? echo time(); ?>"> it should load different image |