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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 |
|---|---|
| 1284 | } |
| 1285 | |
| 1286 | if ( 'all' == $args['get'] ) { |
| 1287 | $args['child_of'] = 0; |
| 1288 | $args['hide_empty'] = 0; |
| 1289 | $args['hierarchical'] = false; |
| 1290 | $args['pad_counts'] = false; |
| 1291 | } |
| 1292 | |
| 1293 | $args = apply_filters( 'get_terms_args', $args, $taxonomies ); |
| 1294 | |
| 1295 | extract($args, EXTR_SKIP); |
| 1296 | |
| 1297 | if ( $child_of ) { |
| 1298 | $hierarchy = _get_term_hierarchy( reset( $taxonomies ) ); |
| 1299 | if ( ! isset( $hierarchy[ $child_of ] ) ) |
| 1300 | return $empty_array; |
| 1301 | } |
| 1302 | |