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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 |
---|---|
2621 | if ( is_wp_error( $cat_id ) ) { |
2622 | if ( 'term_exists' == $cat_id->get_error_code() ) |
2623 | return (int) $cat_id->get_error_data(); |
2624 | else |
2625 | return(new IXR_Error(500, __('Sorry, the new category failed.'))); |
2626 | } elseif ( ! $cat_id ) { |
2627 | return(new IXR_Error(500, __('Sorry, the new category failed.'))); |
2628 | } |
2629 |
|
2630 | do_action( 'xmlrpc_call_success_wp_newCategory', $cat_id, $args ); |
2631 |
|
2632 | return $cat_id; |
2633 | } |
2634 |
|
2635 | /** |
2636 | * Remove category. |
2637 | * |
2638 | * @since 2.5.0 |
2639 | * |