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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 |
|---|---|
| 1234 | * Filter the terms query default arguments. |
| 1235 | * |
| 1236 | * Use 'get_terms_args' to filter the passed arguments. |
| 1237 | * |
| 1238 | * @since 4.4.0 |
| 1239 | * |
| 1240 | * @param array $defaults An array of default get_terms() arguments. |
| 1241 | * @param array $taxonomies An array of taxonomies. |
| 1242 | */ |
| 1243 | $args = wp_parse_args( $args, apply_filters( 'get_terms_defaults', $defaults, $taxonomies ) ); |
| 1244 | |
| 1245 | $args['number'] = absint( $args['number'] ); |
| 1246 | $args['offset'] = absint( $args['offset'] ); |
| 1247 | |
| 1248 | // Save queries by not crawling the tree in the case of multiple taxes or a flat tax. |
| 1249 | $has_hierarchical_tax = false; |
| 1250 | if ( $taxonomies ) { |
| 1251 | foreach ( $taxonomies as $_tax ) { |
| 1252 | if ( is_taxonomy_hierarchical( $_tax ) ) { |