Title: Plugin data not saving… help!
Last modified: August 19, 2016

---

# Plugin data not saving… help!

 *  [ben_allison](https://wordpress.org/support/users/ben_allison/)
 * (@ben_allison)
 * [15 years, 3 months ago](https://wordpress.org/support/topic/plugin-data-not-saving-help/)
 * This plugin is used to store pairs of data with a post. Everything gets saves
   just find, but randomly, data will vanish.
 * Help! I have no idea why this is happening.
 *     ```
       function post_head_menus() {
       	if (function_exists('add_meta_box')) {
       		add_meta_box('post_head_box','Energy System Details','post_head_meta','energy-systems');
       	}
       }
   
       function post_head_meta() {
       	global $wpdb, $post_ID;
       	$files = post_head_get_files($post_ID);
       	?>
   
       	<table>
       		<thead>
       			<tr>
       				<th width="50%">BPM</th>
       				<th width="50%">Duration</th>
       			</tr>
       		</thead>
       		<tbody>
       		<?php
       $i = 0;
       if ($files && $post_ID) {
       foreach ((array)$files as $file) { ?>
       			<tr id="post-head-<?php echo $i; ?>">
       				<td><input type="text" name="post-head[<?php echo $i; ?>][bpm]" value="<?php echo $file['bpm']; ?>" /></td>
       				<td><input type="text" name="post-head[<?php echo $i; ?>][duration]" value="<?php echo $file['duration']; ?>" /></td>
       				<td><a href="#" class="button" onclick="post_head_remove(<?php echo $i; ?>); return false;">X</a></td>
       			</tr>
       <?php $i++;
       }; }; ?>
       			<tr id="post-head-<?php echo $i; ?>">
       				<td><input type="text" name="post-head[<?php echo $i; ?>][bpm]" /></td>
       				<td><input type="text" name="post-head[<?php echo $i; ?>][duration]" /></td>
       				<td><a href="#" class="button" onclick="post_head_remove(<?php echo $i; ?>); return false;">X</a></td>
       			</tr>
       		</tbody>
       	</table>
       	<p align="right" style="padding:10px 0 5px; margin:0;"><a href="#" class="button" id="add-post-head-file">Add</a></p>
       	<?php
   
       }
   
       function post_head_get_files($ID) {
       	$data = unserialize(get_option("post-head-files"));
       	return $data[$ID];
       }
   
       function post_head_delete() {
       	delete_option('post-head-files');
       }
   
       function post_head_submit($post_ID) {
   
       	global $wpdb;
   
       	if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) {
       	    return $post_id;
       	}
   
       	// Check permissions
       	if ( 'page' == $_POST['post_type'] ) {
       	  if ( !current_user_can( 'edit_page', $post_id ) )
       	    return $post_id;
       	} else {
       	  if ( !current_user_can( 'edit_post', $post_id ) )
       	    return $post_id;
       	}
   
       	foreach((array)$_POST['post-head'] as $file) {
       		if ($file['bpm'] != "" && $file['duration'] != "") $t[] = $file;
       		$data[$post_ID] = $t;
       	}
   
       	update_option('post-head-files', serialize($data));
       }
   
       function post_head_admin_head() {
       	echo '<link type="text/css" rel="stylesheet" media="all" href="'.plugins_url('energy-systems-module/admin.css').'" />'."\n";
       	echo '<script type="text/javascript" src="'.plugins_url('energy-systems-module/post-header.js').'"></script>'."\n";
       }
   
       add_action('admin_head', 'post_head_admin_head');
       add_action('admin_menu', 'post_head_menus');
       add_action('save_post', 'post_head_submit');
       ```
   

The topic ‘Plugin data not saving… help!’ is closed to new replies.

## Tags

 * [Saving](https://wordpress.org/support/topic-tag/saving/)
 * [vanishing](https://wordpress.org/support/topic-tag/vanishing/)

 * 0 replies
 * 1 participant
 * Last reply from: [ben_allison](https://wordpress.org/support/users/ben_allison/)
 * Last activity: [15 years, 3 months ago](https://wordpress.org/support/topic/plugin-data-not-saving-help/)
 * Status: not resolved

## Topics

### Topics with no replies

### Non-support topics

### Resolved topics

### Unresolved topics

### All topics