Definition:
function wp_set_post_categories($post_ID = 0, $post_categories = array() {}
Set categories for a post.
If the post categories parameter is not set, then the default category is going used.
Parameters
- int $post_ID: Post ID.
- array $post_categories: Optional. List of categories.
Source code
function wp_set_post_categories($post_ID = 0, $post_categories = array()) { $post_ID = (int) $post_ID; $post_type = get_post_type( $post_ID ); $post_status = get_post_status( $post_ID ); // If $post_categories isn't already an array, make it one: if ( !is_array($post_categories) || empty($post_categories) ) { if ( 'post' == $post_type && 'auto-draft' != $post_status ) $post_categories = array( get_option('default_category') ); else $post_categories = array(); } else if ( 1 == count($post_categories) && '' == reset($post_categories) ) { return true; } if ( !empty($post_categories) ) { $post_categories = array_map('intval', $post_categories); $post_categories = array_unique($post_categories); } return wp_set_object_terms($post_ID, $post_categories, 'category'); }
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