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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 |
|---|---|
| 2243 | } |
| 2244 | |
| 2245 | /** |
| 2246 | * Filters stopwords used when parsing search terms. |
| 2247 | * |
| 2248 | * @since 3.7.0 |
| 2249 | * |
| 2250 | * @param array $stopwords Stopwords. |
| 2251 | */ |
| 2252 | $this->stopwords = apply_filters( 'wp_search_stopwords', $stopwords ); |
| 2253 | return $this->stopwords; |
| 2254 | } |
| 2255 | |
| 2256 | /** |
| 2257 | * Generate SQL for the ORDER BY condition based on passed search terms. |
| 2258 | * |
| 2259 | * @global wpdb $wpdb WordPress database abstraction object. |
| 2260 | * |
| 2261 | * @param array $q Query variables. |