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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 |
|---|---|
| 1220 | |
| 1221 | /** |
| 1222 | * Filters whether the current post is open for comments. |
| 1223 | * |
| 1224 | * @since 2.5.0 |
| 1225 | * |
| 1226 | * @param bool $open Whether the current post is open for comments. |
| 1227 | * @param int $post_id The post ID. |
| 1228 | */ |
| 1229 | return apply_filters( 'comments_open', $open, $post_id ); |
| 1230 | } |
| 1231 | |
| 1232 | /** |
| 1233 | * Determines whether the current post is open for pings. |
| 1234 | * |
| 1235 | * For more information on this and similar theme functions, check out |
| 1236 | * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ |
| 1237 | * Conditional Tags} article in the Theme Developer Handbook. |
| 1238 | * |