WordPress at a glance
filter is not described

is_protected_meta filter-hook . WP 3.2.0

Filters whether a meta key is considered protected.


add_filter( 'is_protected_meta', 'filter_function_name_7129', 10, 3 );
function filter_function_name_7129( $protected, $meta_key, $meta_type ){
	// filter...

	return $protected;
Whether the key is considered protected.
Metadata key.
Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.


Since 3.2.0 Introduced.

Where the hook is called

wp-includes/meta.php 1175
return apply_filters( 'is_protected_meta', $protected, $meta_key, $meta_type );

Where in WP core the hook is used WordPress

Usage not found.