https://legacy.forums.gravityhelp.com/topic/pre_submission_filter-error Gravity Support Forums Topic: pre_submission_filter - Error en-US Mon, 20 Apr 2026 08:26:08 +0000 http://bbpress.org/?v=1.0.1 q https://legacy.forums.gravityhelp.com/search.php https://legacy.forums.gravityhelp.com/topic/pre_submission_filter-error#post-53481 Mon, 26 Mar 2012 15:53:13 +0000 vi 53481@https://legacy.forums.gravityhelp.com/ <p>What sort of turn-around should I hope for on this? It's a bottle-neck to our site going live. Any chance someone could look at it for me today? Thanks a ton! let me know what you need, if anything... </p> https://legacy.forums.gravityhelp.com/topic/pre_submission_filter-error#post-53409 Sun, 25 Mar 2012 23:34:03 +0000 vi 53409@https://legacy.forums.gravityhelp.com/ <p>A while back, you guys helped me make a redirect which I never quite got working. Now, it's the last thing before we go live with our new site. We need the redirect to offer a different 30-day trial depending on which product they choose. The form is here;<br /> <a href="http://vit-sandbox.com/forms/try-it/" rel="nofollow">http://vit-sandbox.com/forms/try-it/</a></p> <p>There error I get is:<br /> Fatal error: Call to undefined function add_filter() in /home/vitsandb/public_html/wp-content/themes/vi/gform_redirect.php on line 3...<br /> Help!</p> <p>The first few lines of the form of the gform_redirect.php file are:<br /> &lt;?php</p> <p> add_filter('gform_pre_submission_filter_2', 'custom_redirect_url');<br /> function custom_redirect_url($form){</p> <p> $condition = RGForms::post('input_7');<br /> if(!$condition)<br /> return $form;</p> <p> $form['confirmation']['type'] = 'redirect';<br /> switch($condition){<br /> case 'pdf2image':<br /> $form['confirmation']['url'] = 'http://www.visual-integrity.com/downloads/current-pdf2image.exe';<br /> break;<br /> ....<br /> I can send a paste of the file or you can login and take a look. Let me know what's best. Thanks a million for your great plug-in and or your help...<br /> jean</p> <p>If someone can login and and take a look, I'd be grateful. </p>