get_post_custom_keys Wordpress function


Description:

Retrieve meta field names for a post.


Syntax:


Arguments:

(int) $post_id post ID


Return Type:

(array|null) Either array of the keys, or null if keys could not be retrieved.


Define At:

wp-includes/post.php


Wordpress Reference URL:

http://codex.wordpress.org/Function_Reference/get_post_custom_keys


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