add_term_meta( int $term_id, string $meta_key, mixed $meta_value, bool $unique = false )
Adds metadata to a term.
Description Description
Parameters Parameters
- $term_id
-
(int) (Required) Term ID.
- $meta_key
-
(string) (Required) Metadata name.
- $meta_value
-
(mixed) (Required) Metadata value.
- $unique
-
(bool) (Optional) Whether to bail if an entry with the same key is found for the term.
Default value: false
Return Return
(int|WP_Error|bool) Meta ID on success. WP_Error when term_id is ambiguous between taxonomies. False on failure.
Source Source
File: wp-includes/taxonomy.php
function add_term_meta( $term_id, $meta_key, $meta_value, $unique = false ) {
// Bail if term meta table is not installed.
if ( get_option( 'db_version' ) < 34370 ) {
return false;
}
if ( wp_term_is_shared( $term_id ) ) {
return new WP_Error( 'ambiguous_term_id', __( 'Term meta cannot be added to terms that are shared between taxonomies.'), $term_id );
}
$added = add_metadata( 'term', $term_id, $meta_key, $meta_value, $unique );
// Bust term query cache.
if ( $added ) {
wp_cache_set( 'last_changed', microtime(), 'terms' );
}
return $added;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 4.4.0 | Introduced. |
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Usage
Example
Adds a new custom field with a key name ‘my_term_key’ and value as ‘new_term’