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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
2074 | /** |
2075 | * Filters term data before it is inserted into the database. |
2076 | * |
2077 | * @since 4.7.0 |
2078 | * |
2079 | * @param array $data Term data to be inserted. |
2080 | * @param string $taxonomy Taxonomy slug. |
2081 | * @param array $args Arguments passed to wp_insert_term(). |
2082 | */ |
2083 | $data = apply_filters( 'wp_insert_term_data', $data, $taxonomy, $args ); |
2084 |
|
2085 | if ( false === $wpdb->insert( $wpdb->terms, $data ) ) { |
2086 | return new WP_Error( 'db_insert_error', __( 'Could not insert term into the database' ), $wpdb->last_error ); |
2087 | } |
2088 |
|
2089 | $term_id = (int) $wpdb->insert_id; |
2090 |
|
2091 | // Seems unreachable, However, Is used in the case that a term name is provided, which sanitizes to an empty string. |
2092 | if ( empty($slug) ) { |