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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 |
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2329 | /** |
2330 | * Filters whether to send the post author new comment notification emails, |
2331 | * overriding the site setting. |
2332 | * |
2333 | * @since 4.4.0 |
2334 | * |
2335 | * @param bool $maybe_notify Whether to notify the post author about the new comment. |
2336 | * @param int $comment_ID The ID of the comment for the notification. |
2337 | */ |
2338 | $maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_ID ); |
2339 |
|
2340 | /* |
2341 | * wp_notify_postauthor() checks if notifying the author of their own comment. |
2342 | * By default, it won't, but filters can override this. |
2343 | */ |
2344 | if ( ! $maybe_notify ) { |
2345 | return false; |
2346 | } |
2347 |
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