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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 |
|---|---|
| 2206 | |
| 2207 | /** |
| 2208 | * Fires immediately after a comment is inserted into the database. |
| 2209 | * |
| 2210 | * @since 2.8.0 |
| 2211 | * |
| 2212 | * @param int $id The comment ID. |
| 2213 | * @param obj $comment Comment object. |
| 2214 | */ |
| 2215 | do_action( 'wp_insert_comment', $id, $comment ); |
| 2216 | |
| 2217 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 2218 | |
| 2219 | return $id; |
| 2220 | } |
| 2221 | |
| 2222 | /** |
| 2223 | * Filters and sanitizes comment data. |
| 2224 | * |