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update_term_meta › WordPress Function

Od4.4.0
Przestarzałyn/a
› update_term_meta ( $term_id, $meta_key, $meta_value, $prev_value = '' )
Parametry: (4)
  • (int) $term_id Term ID.
    Wymagane: Tak
  • (string) $meta_key Metadata key.
    Wymagane: Tak
  • (mixed) $meta_value Metadata value. Must be serializable if non-scalar.
    Wymagane: Tak
  • (mixed) $prev_value Optional. Previous value to check before updating. If specified, only update existing metadata entries with this value. Otherwise, update all entries. Default empty.
    Wymagane: Nie
    Domyślny: (puste)
Powrót:
  • (int|bool|WP_Error) Meta ID if the key didn't exist. true on successful update, false on failure or if the value passed to the function is the same as the one that is already in the database. WP_Error when term_id is ambiguous between taxonomies.
Zdefiniowane na:
Codex:

Updates term metadata.

Use the $prev_value parameter to differentiate between meta fields with the same key and term ID. If the meta field for the term does not exist, it will be added.


Powiązane Funkcje: update_site_meta, update_user_meta, update_usermeta, update_meta, update_post_meta

Źródło 

function update_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) {
	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 );
	}

	return update_metadata( 'term', $term_id, $meta_key, $meta_value, $prev_value );
}