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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 |
|---|---|
| 1282 | $data = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id'); |
| 1283 | $wpdb->insert($wpdb->comments, $data); |
| 1284 | |
| 1285 | $id = (int) $wpdb->insert_id; |
| 1286 | |
| 1287 | if ( $comment_approved == 1 ) |
| 1288 | wp_update_comment_count($comment_post_ID); |
| 1289 | |
| 1290 | $comment = get_comment($id); |
| 1291 | do_action('wp_insert_comment', $id, $comment); |
| 1292 | |
| 1293 | if ( function_exists( 'wp_cache_incr' ) ) { |
| 1294 | wp_cache_incr( 'last_changed', 1, 'comment' ); |
| 1295 | } else { |
| 1296 | $last_changed = wp_cache_get( 'last_changed', 'comment' ); |
| 1297 | wp_cache_set( 'last_changed', $last_changed + 1, 'comment' ); |
| 1298 | } |
| 1299 | |
| 1300 | return $id; |