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PODrupal node_type_get_type() and hook_uninstall()
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  1. PODrupal node_type_get_type() and hook_uninstall()
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    copied!<p>I have a module <code>job_post</code> which installs <code>job_post</code> content type.</p> <p>In this module I have <code>hook_unistall()</code> which calls for <a href="http://api.drupal.org/api/drupal/modules%21node%21node.module/function/node_type_delete/7" rel="nofollow"><code>node_type_delete()</code></a> function which removes my content type.</p> <p>After unistalling process I have errors from Drupal's core module <code>comment</code> which fires from <a href="http://api.drupal.org/api/drupal/modules%21node%21node.module/function/node_type_delete/7" rel="nofollow"><code>node_type_delete()</code></a> after <code>module_invoke_all('node_type_delete', $info)</code>.</p> <p>Error is the following and repeats 8 times (because of the loop in <code>comment_node_type_delete()</code>):</p> <pre><code>Notice: Trying to get property of non-object in comment_node_type_delete() (line 343 of ....\comment.module). </code></pre> <p>I have this error because <code>$info</code> variable in <a href="http://api.drupal.org/api/drupal/modules%21node%21node.module/function/node_type_delete/7" rel="nofollow"><code>node_type_delete()</code></a> function is <code>false</code>.</p> <p>My question is, why when my module is installed and when I'm printing <code>var_dump(node_type_get_type('job_post'))</code> on any page, I have an object, but when I'm trying to print the same code in my unistall function I get false and this error?</p> <p><strong>job_post.install</strong></p> <pre class="lang-php prettyprint-override"><code>/** * Implements hook_install(). */ function job_post_install() { node_types_rebuild(); $types = node_type_get_types(); node_add_body_field($types['job_post']); $body_instance = field_info_instance('node', 'body', 'job_post'); $body_instance['type'] = 'text_summary_or_trimmed'; field_update_instance($body_instance); } /** * Implements hook_uninstall(). */ function job_post_uninstall() { $instances = field_info_instances('node', 'job_post'); foreach ($instances as $instance_name =&gt; $instance) { field_delete_instance($instance); } // Force rebuild of the node type cache // as Clive suggested didn't help // _node_types_build(TRUE); node_type_delete('job_post'); field_purge_batch(1000); } </code></pre> <p><strong>job_post.module</strong></p> <pre class="lang-php prettyprint-override"><code>/** * Implements hook_node_info() to provide our job_post type. */ function job_post_node_info() { return array( 'job_post' =&gt; array( 'name' =&gt; t('Job Post'), 'base' =&gt; 'job_post', 'description' =&gt; t('Use this content type to post a job.'), 'has_title' =&gt; TRUE, 'title_label' =&gt; t('Job Title'), 'help' =&gt; t('Enter the job title and job description') ) ); } /** * Implement hook_form() with the standard default form. */ function job_post_form($node, $form_state) { return node_content_form($node, $form_state); } </code></pre> <p><strong>Note:</strong> This module example was taken from <a href="http://www.apress.com/9781430228387" rel="nofollow">Pro Drupal 7 Development</a> book (page 141) with minor changes and it was given errors even with original.</p>
 

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