Adds a new term to the database if it does not already exist.

Parameters

$tag_namestringrequired

The term name.

$taxonomystringoptional

The taxonomy within which to create the term. Default 'post_tag'.

Default:'post_tag'

Return

Source

function wp_create_term( $tag_name, $taxonomy = 'post_tag' ) {
	$id = term_exists( $tag_name, $taxonomy );
	if ( $id ) {
		return $id;
	}

	return wp_insert_term( $tag_name, $taxonomy );
}

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