Assign tags to all posts in a custom post type, one time , quick and dirty code

wp-one-time-functions.php

<?php
# One time, assign missing tags 


function assign_tag($id){


$row = unserialize(get_post_meta($id,'_nhome_meta',true));
$ownership = $row['OWNERSHIP'];
$tag = '';
if (strpos($ownership, 'For profit') !== false) {
 $tag = 'For profit Nursing Homes';
}elseif(strpos($ownership, 'Government') !== false) {
 $tag = 'Government Nursing Homes';

}elseif(strpos($ownership, 'Non profit') !== false) {
$tag = 'Non profit Nursing Homes';
}
 var_dump($id);
 // var_dump($tag); exit;

if($tag){ wp_set_post_tags( $id, $tag , true ); }

}


/* The 2nd Query (without global var) */
$args = array(
	'post_type' => 'nhome',
	'nopaging' => true,
	'posts_per_page' => -1,
	'fields' => 'ids',
	
);

$ids = new WP_Query( $args );

$run = $_GET['run'];
if($run == 'yes'){

foreach ($ids->posts as $key => $post_id) {
	assign_tag($post_id); 
}
}