wp_get_post_terms

Retrieve the terms for a post.

Description

(array|WP_Error) wp_get_post_terms( (int) $post_id = 0, (string) $taxonomy = 'post_tag', (array) $args = array() );

There is only one default for this function, called fields and by default is set to all.. There are other defaults that can be overridden in wp_get_object_terms(…).

Returns (array|WP_Error)

List of post terms or empty array if no terms were found. WP_Error object if `$taxonomy` doesn't exist.

Parameters (3)

0. $post_id — Optional. (int): The Post ID. Does not default to the ID of the global $post. Default 0.
1. $taxonomy — Optional. (string) => 'post_tag': The taxonomy for which to retrieve terms. Default post_tag..
2. $args — Optional. (array) => array(): wp_get_object_terms(…) arguments. Default empty array.

Usage

if ( !function_exists( 'wp_get_post_terms' ) ) { 
    require_once ABSPATH . WPINC . '/post.php'; 
} 
  
// Optional. The Post ID. Does not default to the ID of the 
// global $post. Default 0. 
$post_id = -1; 
  
// Optional. The taxonomy for which to retrieve terms. Default 'post_tag'. 
$taxonomy = 'post_tag'; 
  
// Optional. wp_get_object_terms() arguments. Default empty array. 
$args = array(); 
  
// NOTICE! Understand what this does before running. 
$result = wp_get_post_terms($post_id, $taxonomy, $args);

Defined (1)

The function is defined in the following location(s).

/wp-includes/post.php

function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) { 
    $post_id = (int) $post_id; 
 
    $defaults = array('fields' => 'all'); 
    $args = wp_parse_args( $args, $defaults ); 
 
    $tags = wp_get_object_terms($post_id, $taxonomy, $args); 
 
    return $tags; 
}