Retrieves IDs that are not already present in the cache.
Parameters
$object_ids
int[]required- Array of IDs.
$cache_group
stringrequired- The cache group to check against.
Source
function _get_non_cached_ids( $object_ids, $cache_group ) {
$object_ids = array_filter( $object_ids, '_validate_cache_id' );
$object_ids = array_unique( array_map( 'intval', $object_ids ), SORT_NUMERIC );
if ( empty( $object_ids ) ) {
return array();
}
$non_cached_ids = array();
$cache_values = wp_cache_get_multiple( $object_ids, $cache_group );
foreach ( $cache_values as $id => $value ) {
if ( false === $value ) {
$non_cached_ids[] = (int) $id;
}
}
return $non_cached_ids;
}
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