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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 |
|---|---|
| 1201 | |
| 1202 | /** |
| 1203 | * Filters whether the current post is open for comments. |
| 1204 | * |
| 1205 | * @since 2.5.0 |
| 1206 | * |
| 1207 | * @param bool $open Whether the current post is open for comments. |
| 1208 | * @param int $post_id The post ID. |
| 1209 | */ |
| 1210 | return apply_filters( 'comments_open', $open, $post_id ); |
| 1211 | } |
| 1212 | |
| 1213 | /** |
| 1214 | * Determines whether the current post is open for pings. |
| 1215 | * |
| 1216 | * For more information on this and similar theme functions, check out |
| 1217 | * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ |
| 1218 | * Conditional Tags} article in the Theme Developer Handbook. |
| 1219 | * |