public static function get_categories($id, $from, $limit) {
        $params = self::validate_parameters(self::get_categories_parameters(), array(
            'id' => $id,
            'from' => $from,
            'limit' => $limit
        ));
        $id = $params['id'];
        $from = $params['from'];
        $limit = $params['limit'];
        $warnings = array();

        // Get and validate the glossary.
        list($glossary, $context) = self::validate_glossary($id);

        // Fetch the categories.
        $categories = array();
        list($records, $count) = glossary_get_categories($glossary, $from, $limit);
        foreach ($records as $category) {
            $category->name = external_format_string($category->name, $context->id);
            $categories[] = $category;
        }

        return array(
            'count' => $count,
            'categories' => $categories,
            'warnings' => array(),
        );
    }
public static function get_categories($id, $from, $limit) {
        $params = self::validate_parameters(self::get_categories_parameters(), array(
            'id' => $id,
            'from' => $from,
            'limit' => $limit
        ));
        $id = $params['id'];
        $from = $params['from'];
        $limit = $params['limit'];
        $warnings = array();

        // Get and validate the glossary.
        list($glossary, $context) = self::validate_glossary($id);

        // Fetch the categories.
        $categories = array();
        list($records, $count) = glossary_get_categories($glossary, $from, $limit);
        foreach ($records as $category) {
            $category->name = external_format_string($category->name, $context->id);
            $categories[] = $category;
        }

        return array(
            'count' => $count,
            'categories' => $categories,
            'warnings' => array(),
        );
    }
public static function get_categories ( $ id , $ from , $ limit ) { $ params = self :: validate_parameters ( self :: get_categories_parameters ( ) , array ( 'id' => $ id , 'from' => $ from , 'limit' => $ limit ) ) ; $ id = $ params [ 'id' ] ; $ from = $ params [ 'from' ] ; $ limit = $ params [ 'limit' ] ; $ warnings = array ( ) ; // Get and validate the glossary. list ( $ glossary , $ context ) = self :: validate_glossary ( $ id ) ; // Fetch the categories. $ categories = array ( ) ; list ( $ records , $ count ) = glossary_get_categories ( $ glossary , $ from , $ limit ) ; foreach ( $ records as $ category ) { $ category -> name = external_format_string ( $ category -> name , $ context -> id ) ; $ categories [ ] = $ category ; } return array ( 'count' => $ count , 'categories' => $ categories , 'warnings' => array ( ) , ) ; }
Get the categories of a glossary.

@param int $id The glossary ID.
@param int $from Start returning records from here.
@param int $limit Number of records to return.
@return array Containing count, categories and warnings.
@since Moodle 3.1
@throws moodle_exception
Get the categories of a glossary .