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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 |
|---|---|
| 2296 | if ( is_wp_error( $cat_id ) ) { |
| 2297 | if ( 'term_exists' == $cat_id->get_error_code() ) |
| 2298 | return (int) $cat_id->get_error_data(); |
| 2299 | else |
| 2300 | return(new IXR_Error(500, __('Sorry, the new category failed.'))); |
| 2301 | } elseif ( ! $cat_id ) { |
| 2302 | return(new IXR_Error(500, __('Sorry, the new category failed.'))); |
| 2303 | } |
| 2304 | |
| 2305 | do_action( 'xmlrpc_call_success_wp_newCategory', $cat_id, $args ); |
| 2306 | |
| 2307 | return $cat_id; |
| 2308 | } |
| 2309 | |
| 2310 | /** |
| 2311 | * Remove category. |
| 2312 | * |
| 2313 | * @since 2.5.0 |
| 2314 | * |