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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 |
|---|---|
| 1932 | |
| 1933 | /** |
| 1934 | * Fires immediately after a comment is inserted into the database. |
| 1935 | * |
| 1936 | * @since 2.8.0 |
| 1937 | * |
| 1938 | * @param int $id The comment ID. |
| 1939 | * @param obj $comment Comment object. |
| 1940 | */ |
| 1941 | do_action( 'wp_insert_comment', $id, $comment ); |
| 1942 | |
| 1943 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
| 1944 | |
| 1945 | return $id; |
| 1946 | } |
| 1947 | |
| 1948 | /** |
| 1949 | * Filters and sanitizes comment data. |
| 1950 | * |