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Wordpress: Return all custom fields in one session variable

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Returns all of the custom fields (meta data) from a page / post and assigns them all to a single session array for compactness

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  1. /**
  2. * Usage: Add all_my_customs(); to your page somewhere (header.php is best)
  3. * Usage: if you would like to get the postmeta from a specific page use, all_my_customs('7');
  4. * To access the value <?php echo $_SESSION['pc']['your_custom_name']; ?>
  5. */
  6.  
  7. function all_my_customs($id = 0){
  8.  
  9. 	//if a post id is not provided grab the page currently being presented 
  10. 	if ($id == 0) 
  11. 	{
  12. 		global $wp_query;
  13. 		$content_array = $wp_query->get_queried_object(); 
  14. 		$id = $content_array->ID;
  15. 	}
  16.  
  17. 	//grab the customs in their raw form from wp
  18. 	$raw = get_post_custom($id);
  19. 	//if the raw data is an array run a loop
  20. 	if (is_array($raw)) 
  21. 	{
  22. 		foreach($raw as $key => $value)
  23. 		{
  24. 			//if the number of items returned for the cf is greater than one (an array of items)
  25. 			if (count($value) > 1)
  26. 			{
  27. 				//retain all
  28. 				foreach($value as $v)
  29. 				{
  30. 					$return[$key][] = $v;	
  31. 				}
  32. 			}
  33. 			//else add the first item
  34. 			else
  35. 			{
  36. 				$return[$key] = $value[0];
  37. 			}
  38. 		}
  39.  
  40. 	}
  41. 	//and returns the session array.
  42. 	$_SESSION['pc'] = $return;
  43. 	return $_SESSION['pc'];
  44. }

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