Get Count of Taxonomy Terms per Vocabulary ID

GetCountTaxonomyTermsByVocab.php

<?php

/**
 * This Drupal 7 helper function will return and echo the count of 
 * taxonomy terms by vocabulary
 * @param $vid - integer for vocabulary id
 */

function GetCountTaxonomyTermsByVocab($vid) {
  $query = new EntityFieldQuery;
  $terms = $query
    ->entityCondition('entity_type', 'taxonomy_term')
    ->propertyCondition('vid', $vid)
    ->execute();
  $count_terms = count($terms['taxonomy_term']);
  echo "There are $count_terms terms in the $vid Vocabulary\n";
  return $count_terms;
}