public static function preload_contexts_by_id(array $contextids) {
        global $DB;

        // Determine which contexts are not already cached.
        $tofetch = [];
        foreach ($contextids as $contextid) {
            if (!self::cache_get_by_id($contextid)) {
                $tofetch[] = $contextid;
            }
        }

        if (count($tofetch) > 1) {
            // There are at least two to fetch.
            // There is no point only fetching a single context as this would be no more efficient than calling the existing code.
            list($insql, $inparams) = $DB->get_in_or_equal($tofetch, SQL_PARAMS_NAMED);
            $ctxs = $DB->get_records_select('context', "id {$insql}", $inparams, '',
                    \context_helper::get_preload_record_columns_sql('{context}'));
            foreach ($ctxs as $ctx) {
                self::preload_from_record($ctx);
            }
        }
    }
public static function preload_contexts_by_id(array $contextids) {
        global $DB;

        // Determine which contexts are not already cached.
        $tofetch = [];
        foreach ($contextids as $contextid) {
            if (!self::cache_get_by_id($contextid)) {
                $tofetch[] = $contextid;
            }
        }

        if (count($tofetch) > 1) {
            // There are at least two to fetch.
            // There is no point only fetching a single context as this would be no more efficient than calling the existing code.
            list($insql, $inparams) = $DB->get_in_or_equal($tofetch, SQL_PARAMS_NAMED);
            $ctxs = $DB->get_records_select('context', "id {$insql}", $inparams, '',
                    \context_helper::get_preload_record_columns_sql('{context}'));
            foreach ($ctxs as $ctx) {
                self::preload_from_record($ctx);
            }
        }
    }
public static function preload_contexts_by_id ( array $ contextids ) { global $ DB ; // Determine which contexts are not already cached. $ tofetch = [ ] ; foreach ( $ contextids as $ contextid ) { if ( ! self :: cache_get_by_id ( $ contextid ) ) { $ tofetch [ ] = $ contextid ; } } if ( count ( $ tofetch ) > 1 ) { // There are at least two to fetch. // There is no point only fetching a single context as this would be no more efficient than calling the existing code. list ( $ insql , $ inparams ) = $ DB -> get_in_or_equal ( $ tofetch , SQL_PARAMS_NAMED ) ; $ ctxs = $ DB -> get_records_select ( 'context' , "id {$insql}" , $ inparams , '' , \ context_helper :: get_preload_record_columns_sql ( '{context}' ) ) ; foreach ( $ ctxs as $ ctx ) { self :: preload_from_record ( $ ctx ) ; } } }
Preload a set of contexts using their contextid.

@param   array $contextids
Preload a set of contexts using their contextid .