wp_term_is_shared( int $term_id )

Determine whether a term is shared between multiple taxonomies.

Description

Shared taxonomy terms began to be split in WP-4.3, but failed cron tasks or other delays in upgrade routines may cause shared terms to remain.

Parameters

$term_id

(int) (Required) Term ID.

Return

(bool) Returns false if a term is not shared between multiple taxonomies or if splittng shared taxonomy terms is finished.

Source

File: wp-includes/taxonomy.php 

function wp_term_is_shared( $term_id ) {
	global $wpdb;

	if ( get_option( 'finished_splitting_shared_terms' ) ) {
		return false;
	}

	$tt_count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->term_taxonomy WHERE term_id = %d", $term_id ) );

	return $tt_count > 1;
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/wp-db.php: wpdb::get_var()

Retrieve one variable from the database.
wp-includes/wp-db.php: wpdb::prepare()

Prepares a SQL query for safe execution. Uses sprintf()-like syntax.
wp-includes/option.php: get_option()

Retrieves an option value based on an option name.

Used By

Used By
Used By Description
wp-includes/taxonomy.php: update_term_meta()

Updates term metadata.
wp-includes/taxonomy.php: add_term_meta()

Adds metadata to a term.

Changelog

Changelog
Version Description
WP-4.4.0 Introduced.