https://legacy.forums.gravityhelp.com/topic/echo-entry-causes-warningcannot-modify-header-information Gravity Support Forums Topic: echo $entry causes Warning:Cannot modify header information en-US Mon, 20 Apr 2026 10:05:56 +0000 http://bbpress.org/?v=1.0.1 q https://legacy.forums.gravityhelp.com/search.php https://legacy.forums.gravityhelp.com/topic/echo-entry-causes-warningcannot-modify-header-information#post-64706 Wed, 04 Jul 2012 07:45:38 +0000 WPino 64706@https://legacy.forums.gravityhelp.com/ <p>Yes query string works fine but I don't want all the data to appear in the URL adress.</p> <p>Yes I want to get the data after the submission, I thought that I can create a global variable in the Filter Call and use that global variable elsewhere, I think I don't understand how to use filters. </p> https://legacy.forums.gravityhelp.com/topic/echo-entry-causes-warningcannot-modify-header-information#post-64704 Wed, 04 Jul 2012 07:41:34 +0000 Chris Hajer 64704@https://legacy.forums.gravityhelp.com/ <blockquote><p> Maybe I'm wrong, but i thought I could use gform_after_submission to display data from the form !</p></blockquote> <p>This action hook is executed at the end of the submission process (after form validation, notification, and entry creation).</p> <p>Query string might be your best option here, especially if it works. </p> https://legacy.forums.gravityhelp.com/topic/echo-entry-causes-warningcannot-modify-header-information#post-64686 Wed, 04 Jul 2012 05:08:02 +0000 WPino 64686@https://legacy.forums.gravityhelp.com/ <p>Maybe I'm wrong, but i thought I could use gform_after_submission to display data from the form !</p> <p>In the form setting I used the redirection option to call Search.php</p> <p>In search.php I have a variable and I want it to have the value of the field $entry[1]</p> <p>I have managed to do the job by passing the values by Query String but I really don't wont the URL to get ugly, so If I could use something else it would be great.</p> <p>Thanks for your answer </p> https://legacy.forums.gravityhelp.com/topic/echo-entry-causes-warningcannot-modify-header-information#post-64605 Tue, 03 Jul 2012 17:04:10 +0000 Chris Hajer 64605@https://legacy.forums.gravityhelp.com/ <p>In step one, how are you doing this:</p> <p>"redirect it's results"</p> <p>After the form is submitted, how are you getting the values to search.php? I assume search.php is a template in your theme folder? </p> https://legacy.forums.gravityhelp.com/topic/echo-entry-causes-warningcannot-modify-header-information#post-64583 Tue, 03 Jul 2012 14:01:47 +0000 WPino 64583@https://legacy.forums.gravityhelp.com/ <p>I just bought this plugin and I can't get it working the way I want yet.</p> <p>Here's what I want to do:<br /> 1 - Create a from in the sidebar and redirect it's results to Search.php when hitting the Send button<br /> 2 - In Search.php use some data from the form to create a Buy button which will open Confirm.php<br /> 3 - In Confirm.php use data from the form and Search.php to create a new form.</p> <p>Unfortunately, I can't pass step 1 because when I click the send button I have the following error<br /> <blockquote>2012-07-03<br /> Warning: Cannot modify header information - headers already sent by (output started at /Applications/MAMP/htdocs/NihadCar/wp-content/themes/CaRental/functions.php:42) in /Applications/MAMP/htdocs/NihadCar/wp-content/plugins/gravityforms/form_display.php on line 83 </p></blockquote> <p>2012-07-03 is the value I'm looking for</p> <p>I simply added this to the functions file to start testing:<br /> <pre><code>function set_post_content($entry, $form){ echo $entry[&quot;1&quot;]; } add_action(&quot;gform_after_submission_3&quot;, &quot;set_post_content&quot;, 10, 2);</code></pre> <p>If I replace echo with return no errors but no output either!</p> <p>I'm testing locally so I can't give any DEMO<br /> I'm using Mamp Pro with Lion </p>