Syncing user meta fields between PMPro Shipping and Event Espresso.

my_init_meta_copy.php

/*
	Copy PMPro shipping address fields to event espresso when they are blank for event espresso.
	
	Add this code to a custom plugin or your active theme's functions.php,
	then visit /?metacopy=1 as an administrator.
	
	Make sure to understand the code before running so you know it is doing what you want it to.
*/
function my_init_meta_copy()
{
	if(!empty($_REQUEST['metacopy']) && current_user_can("manage_options"))
	{
		echo "Copying meta fields...<br />";
	
		global $wpdb;
		$user_ids = $wpdb->get_col("SELECT ID FROM $wpdb->users");
		
		foreach($user_ids as $user_id)
		{
			$user = get_userdata($user_id);
			echo "User " . $user->user_login . ": ";
			
			$event_espresso_address = $user->event_espresso_address;
			$pmpro_saddress1 = $user->pmpro_saddress1;
			
			if(empty($pmpro_saddress1) && !empty($event_espresso_address))
			{
				//copy Event Espresso to PMPro Shipping
				$um = array(
					"event_espresso_address" => "pmpro_saddress1",
					"event_espresso_address2" => "pmpro_saddress2",
					"event_espresso_city" => "pmpro_scity",
					"event_espresso_zip" => "pmpro_szipcode",
					"event_espresso_state" => "pmpro_sstate",
					"event_espresso_country" => "pmpro_scountry"
				);
				
				echo " Copied Event Espresso Fields to PMPro Shipping Fields.";
				
				foreach($um as $left => $right)
				{
					update_user_meta($user_id, $right, get_user_meta($user_id, $left, true));
				}
			}	
			elseif(!empty($pmpro_saddress1))
			{
				//copy PMPro Shipping to Event Espresso
				$um = array(
					"pmpro_saddress1" => "event_espresso_address",
					"pmpro_saddress2" => "event_espresso_address2",
					"pmpro_scity" => "event_espresso_city",
					"pmpro_szipcode" => "event_espresso_zip",
					"pmpro_sstate" => "event_espresso_state",
					"pmpro_scountry" => "event_espresso_country"
				);
				
				echo " Copied PMPro Shipping Fields to Event Espresso Fields.";
				
				foreach($um as $left => $right)
				{
					update_user_meta($user_id, $right, get_user_meta($user_id, $left, true));
				}
			}			
			else
			{
				echo "No address found.";
			}			
			
			echo "<br />";
		}
	
		exit;
	}
}
add_action('init', 'my_init_meta_copy');