update_term_meta() – Function | Developer.WordPress.org

Updates term metadata.

Description

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.

Parameters

$term_idintrequired: Term ID.
$meta_keystringrequired: Metadata key.
$meta_valuemixedrequired: Metadata value. Must be serializable if non-scalar.
$prev_valuemixedoptional: Previous value to check before updating.
If specified, only update existing metadata entries with this value. Otherwise, update all entries.
Default:''

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.

Source

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 );
}

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Uses	Description
wp_term_is_shared()`wp-includes/taxonomy.php`	Determines whether a term is shared between multiple taxonomies.
update_metadata()`wp-includes/meta.php`	Updates metadata for the specified object. If no value already exists for the specified object ID and metadata key, the metadata will be added.
WP_Error::__construct()`wp-includes/class-wp-error.php`	Initializes the error.

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Changelog

Version	Description
4.4.0	Introduced.

User Contributed Notes

Skip to note 2 content

Misha Rudrastyh 3 years ago

You must log in to vote on the helpfulness of this noteVote results for this note: 1You must log in to vote on the helpfulness of this note
Basic usage:
```
$term_id = 23;

update_term_meta( $term_id, 'meta_key', 'Hello world!' );
```
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update_term_meta( int $term_id, string $meta_key, mixed $meta_value, mixed $prev_value = ” ): int|bool|WP_Error

In this article

Description

Parameters

Return

Source

Changelog

User Contributed Notes

update_term_meta( int $term_id, string $meta_key, mixed $meta_value, mixed $prev_value = ” ): int|bool|WP_Error

In this article

Description

Parameters

Return

Source

Related

Changelog

User Contributed Notes