9 views 
Summery Summery
Determines whether a meta key is considered protected.
Syntax Syntax
Parameters Parameters
- $meta_key
-
(Required) Metadata key.
- $meta_type
-
(Optional) Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.
Default value: ''
Return Return
(bool) Whether the meta key is considered protected.
Source Source
File: wp-includes/meta.php
$non_cached_ids[] = $id;
} else {
$cache[ $id ] = $cached_object;
}
}
if ( empty( $non_cached_ids ) ) {
return $cache;
}
// Get meta info.
$id_list = join( ',', $non_cached_ids );
$id_column = ( 'user' === $meta_type ) ? 'umeta_id' : 'meta_id';
$meta_list = $wpdb->get_results( "SELECT $column, meta_key, meta_value FROM $table WHERE $column IN ($id_list) ORDER BY $id_column ASC", ARRAY_A );
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Changelog Changelog
| Version | Description |
|---|---|
| 3.1.3 | Introduced. |
