WordPress Developer Resources

get_post_taxonomies( int|WP_Post $post ): string[]

Retrieves all taxonomy names for the given post.

Parameters

$postint|WP_Postoptional: Post ID or WP_Post object. Default is global $post.

Return

string[] An array of all taxonomy names for the given post.

Source

function get_post_taxonomies( $post = 0 ) {
	$post = get_post( $post );

	return get_object_taxonomies( $post );
}

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Uses	Description
get_object_taxonomies()`wp-includes/taxonomy.php`	Returns the names or objects of the taxonomies which are registered for the requested object or object type, such as a post object or post type name.
get_post()`wp-includes/post.php`	Retrieves post data given a post ID or post object.

Changelog

Version	Description
2.5.0	Introduced.

User Contributed Notes

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Codex 9 years ago

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Displays all taxonomies of a post.
```
$taxonomy_names = get_post_taxonomies();
print_r( $taxonomy_names );
```
Output:
```
Array
(
    [0] => category
    [1] => post_tag
    [2] => post_format
)
```
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deeptiboddapati 8 years ago

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#return section should say that the function returns an array of all taxonomy names for the given post or post object instead of just an array.
This highlights the main point of difference between get_post_taxonomies and get_object_taxonomies which can return an array of all taxonomy names or an array of all taxonomy objects.

https://codex.wordpress.org/Function_Reference/get_post_taxonomies

https://developer.wordpress.org/reference/functions/get_object_taxonomies/
- I’ve pushed a fix for this in trunk and fixed the description manually for now. See r40298 for the commit where you’re credited.
  
  Drew Jaynes 8 years ago
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